# Video Captions Downloader (`agentx/video-captions-downloader`) Actor

Subtitle / caption API for any public video URL across 1000+ platforms. Pulls native captions when available, falls back to ASR otherwise, and normalizes VTT, ASS, TTML, and SBV into clean SRT plus a timestamped subtitle map for localization, translation memory, or transcript indexing.

- **URL**: https://apify.com/agentx/video-captions-downloader.md
- **Developed by:** [AgentX](https://apify.com/agentx) (community)
- **Categories:** Videos, AI, Agents
- **Stats:** 4 total users, 3 monthly users, 100.0% runs succeeded, 3 bookmarks
- **User rating**: 5.00 out of 5 stars

## Pricing

from $0.48 / subtitles

This Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events.

Learn more: https://docs.apify.com/platform/actors/running/actors-in-store#pay-per-event

## What's an Apify Actor?

Actors are a software tools running on the Apify platform, for all kinds of web data extraction and automation use cases.
In Batch mode, an Actor accepts a well-defined JSON input, performs an action which can take anything from a few seconds to a few hours,
and optionally produces a well-defined JSON output, datasets with results, or files in key-value store.
In Standby mode, an Actor provides a web server which can be used as a website, API, or an MCP server.
Actors are written with capital "A".

## How to integrate an Actor?

If asked about integration, you help developers integrate Actors into their projects.
You adapt to their stack and deliver integrations that are safe, well-documented, and production-ready.
The best way to integrate Actors is as follows.

In JavaScript/TypeScript projects, use official [JavaScript/TypeScript client](https://docs.apify.com/api/client/js.md):

```bash
npm install apify-client
```

In Python projects, use official [Python client library](https://docs.apify.com/api/client/python.md):

```bash
pip install apify-client
```

In shell scripts, use [Apify CLI](https://docs.apify.com/cli/docs.md):

````bash
# MacOS / Linux
curl -fsSL https://apify.com/install-cli.sh | bash
# Windows
irm https://apify.com/install-cli.ps1 | iex
```bash

In AI frameworks, you might use the [Apify MCP server](https://docs.apify.com/platform/integrations/mcp.md).

If your project is in a different language, use the [REST API](https://docs.apify.com/api/v2.md).

For usage examples, see the [API](#api) section below.

For more details, see Apify documentation as [Markdown index](https://docs.apify.com/llms.txt) and [Markdown full-text](https://docs.apify.com/llms-full.txt).


# README

## Video Caption Scraper - Multi-Platform Video Caption Extraction API

**Video Caption Scraper is a multi-platform video caption extraction API that extracts native subtitle tracks, timestamped JSON segments, and SRT-converted output across 1,000+ video platforms in 55+ languages in a single video-URL-driven run.** Video Caption Scraper returns structured records per video, including video URL, video ID, video title, video description, author/channel name, source platform, video duration in seconds, available subtitle language array, selected language code, native subtitle format (VTT/ASS/TTML/SBV), SRT file URL hosted on Apify key-value store, timestamped JSON segment array (start, end, text), thumbnail image URL, and ASR fallback flag when native captions are unavailable. Coverage spans YouTube, TikTok, Vimeo, Bilibili, Dailymotion, Twitch VOD, and 1,000+ additional platforms supported by the underlying extractor. Built for AI training corpora construction, video-localization pipelines, accessibility compliance toolchains, content-search indexing, video-summarization workflows, and multilingual-research datasets. Per-video pay-per-result pricing at $0.48 with no monthly minimum.

[![Multi-Platform](https://img.shields.io/badge/1000+_Platforms-6366f1?style=for-the-badge&color=6366f1)](https://apify.com/agentx/video-caption-scraper?fpr=aiagentapi) [![55+ Languages](https://img.shields.io/badge/55+_Languages-6366f1?style=for-the-badge&color=6366f1)](https://apify.com/agentx/video-caption-scraper?fpr=aiagentapi) [![Pay Per Result](https://img.shields.io/badge/Pay_Per_Result-0052CC?style=for-the-badge&color=0052CC)](https://apify.com/agentx/video-caption-scraper?fpr=aiagentapi)

---

### Why Choose This API

#### Structured Caption Data for AI & Localization Pipelines

**🌐 1,000+ Platform Coverage**
Extract subtitles and captions from YouTube, TikTok, Vimeo, Dailymotion, and 1,000+ additional video platforms — enabling cross-platform caption intelligence from a single consistent API endpoint.

**🌍 55+ Language Support**
The `languages` input parameter supports 55+ languages including English, Spanish, French, German, Chinese (Simplified and Traditional), Arabic, Hindi, Japanese, Korean, and more — with an `"all"` option to extract all available subtitle tracks simultaneously.

**⏱️ Timestamped Caption Output**
The `subtitle` object provides timecode-keyed caption segments (e.g., `"00:00:01,000 --> 00:00:03,500": "text"`) — enabling precise speech-text alignment for AI training data, automatic translation workflows, and accessibility engineering.

**📄 SRT File Export**
The `srt_url` field provides a direct download link to the generated SRT subtitle file — enabling drop-in integration with video players, subtitle editors, and localization management systems.

**🔄 Multi-Format Auto-Conversion**
Native caption formats (VTT, ASS, TTML, SBV) are automatically converted to standardized SRT and timestamped JSON — eliminating format normalization overhead in downstream ingestion pipelines.

---

### Quick Start Guide

#### How to Extract Video Captions in 3 Steps

##### Step 1: Enter the Video URL

[Open Actor Input](https://console.apify.com/actors/FKRVxiH2L1TUaCcPh/input?fpr=aiagentapi)

Enter any video URL from YouTube, TikTok, or 1,000+ supported platforms (e.g., `https://www.youtube.com/shorts/noWlKvEPOWk`).

##### Step 2: Select Target Languages

Choose one or more languages from the 55+ supported options, or select `"all"` to extract every available subtitle track.

##### Step 3: Download Structured Caption Data

Each language track produces one structured record containing timestamped subtitle content and an SRT download URL.

---

### Input Parameters

#### Configuration Fields

| Parameter   | Type   | Required | Description                           | Example Values                                                                      |
| ----------- | ------ | -------- | ------------------------------------- | ----------------------------------------------------------------------------------- |
| `video_url` | string | ✅       | Video URL from any supported platform | `"https://www.youtube.com/watch?v=..."`, `"https://www.tiktok.com/@user/video/..."` |
| `languages` | array  | ✅       | Language(s) for subtitle extraction   | `["english"]`, `["english", "spanish"]`, `["all"]`                                  |

#### Supported Languages (55+)

`all`, `afrikaans`, `arabic`, `armenian`, `belarusian`, `bengali`, `bulgarian`, `cantonese`, `catalan`, `chinese_simplified`, `chinese_traditional`, `croatian`, `czech`, `danish`, `dutch`, `english`, `esperanto`, `estonian`, `filipino`, `finnish`, `french`, `german`, `greek`, `gujarati`, `hebrew`, `hindi`, `hungarian`, `icelandic`, `indonesian`, `italian`, `japanese`, `korean`, `latvian`, `lithuanian`, `malay`, `marathi`, `norwegian`, `persian`, `polish`, `portuguese`, `romanian`, `russian`, `serbian`, `slovak`, `slovenian`, `spanish`, `swahili`, `swedish`, `tamil`, `telugu`, `thai`, `turkish`, `ukrainian`, `urdu`, `vietnamese`

#### Example Input Configuration

```json
{
  "video_url": "https://www.youtube.com/shorts/noWlKvEPOWk",
  "languages": ["english", "spanish"]
}
````

***

### Output Data Schema

#### Complete Caption Record Structure

Each extracted subtitle track produces one record with the following fields:

[Open Actor Output](https://console.apify.com/actors/FKRVxiH2L1TUaCcPh/input?fpr=aiagentapi)

#### Caption & Metadata Fields

| Field          | Type   | Description                                |
| -------------- | ------ | ------------------------------------------ |
| `processor`    | string | Apify actor URL that processed this record |
| `processed_at` | string | ISO 8601 timestamp (UTC) when scraped      |
| `thumbnail`    | string | Video thumbnail URL                        |
| `platform`     | string | Source platform name                       |
| `title`        | string | Video title                                |
| `description`  | string | Video description text                     |
| `published_at` | string | Video publication timestamp                |
| `author`       | string | Video creator username or display name     |
| `language`     | string | Subtitle track language                    |
| `subtitle`     | object | Timecode-keyed caption segments            |
| `srt_url`      | string | Direct download link to SRT subtitle file  |

#### Example JSON Output

```json
{
  "processor": "https://apify.com/agentx/video-caption-scraper?fpr=aiagentapi",
  "processed_at": "2026-05-01T10:30:00.000Z",
  "platform": "YouTube",
  "title": "Product Demo: Key Features Overview",
  "author": "TechChannel",
  "language": "english",
  "subtitle": {
    "00:00:01,000 --> 00:00:03,500": "Welcome to our product demo.",
    "00:00:04,000 --> 00:00:06,200": "Today we cover the key features."
  },
  "srt_url": "https://api.apify.com/v2/key-value-stores/abc123/records/captions.srt"
}
```

#### Export Formats

- **JSON** - Structured caption data with timestamped segments
- **SRT** - Direct subtitle file via `srt_url` download link
- **CSV** - Caption metadata for analysis pipelines
- **API Access** - Programmatic access via Apify Client SDK

***

### Integration Examples

#### Actor ID for Platform Integration

```text
FKRVxiH2L1TUaCcPh
```

#### Ⓜ️ [Make.com Setup:](https://www.make.com/en/register?pc=marketingme)

1. Login to **[Make.com (Get 1000 Free Credits)](https://www.make.com/en/register?pc=marketingme)**
2. Add module **"Run an Actor"**
3. Turn **'Map'** on - right side of the 'Actor\*'
4. Paste **Actor ID** - from above
5. Click the **'⟳ Refresh'** - left side of Map
6. **Input JSON\*** - Modify the parameters as needed
7. Set **"Run synchronously"** to **YES**
8. Add module **"Get Dataset Items"** - receive the result
9. In **Dataset ID\*** select **defaultDatasetId**

#### 🎱 [N8N.io Setup:](https://n8n.io/)

1. Add **'Run an Actor and get dataset'** - from the apify node
2. **Actor** → **By ID** → **Paste Actor ID** - from above
3. **Input JSON** - Modify the parameters as needed

#### Python Integration Example

```python
from apify_client import ApifyClient

client = ApifyClient('YOUR_API_TOKEN')

run_input = {
    "video_url": "https://www.youtube.com/shorts/noWlKvEPOWk",
    "languages": ["english", "spanish"]
}

run = client.actor("FKRVxiH2L1TUaCcPh").call(run_input=run_input)

for item in client.dataset(run["defaultDatasetId"]).iterate_items():
    print(item)
```

#### JavaScript/Node.js Integration

```javascript
import { ApifyClient } from "apify-client";

const client = new ApifyClient({ token: "YOUR_API_TOKEN" });

const input = {
  video_url: "https://www.youtube.com/shorts/noWlKvEPOWk",
  languages: ["english", "french", "german"],
};

const run = await client.actor("FKRVxiH2L1TUaCcPh").call(input);
const { items } = await client.dataset(run.defaultDatasetId).listItems();

items.forEach((item) => console.log(item));
```

#### JSON-LD Metadata

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "SoftwareApplication",
      "@id": "https://apify.com/agentx/video-caption-scraper#software",
      "name": "Video Caption Scraper",
      "description": "Video Caption Scraper is a multi-platform video caption extraction API supporting 1,000+ video platforms and 55+ languages, with auto-conversion of VTT/ASS/TTML/SBV to SRT and timestamped JSON for AI training, localization, and accessibility pipelines.",
      "applicationCategory": "BusinessApplication",
      "applicationSubCategory": "Speech-to-Text API",
      "operatingSystem": "Web, Cloud",
      "url": "https://apify.com/agentx/video-caption-scraper?fpr=aiagentapi",
      "softwareVersion": "1.0.0",
      "datePublished": "2024-08-01",
      "dateModified": "2026-05-01",
      "featureList": [
        "1,000+ video platforms supported",
        "55+ subtitle languages",
        "Auto VTT/ASS/TTML/SBV → SRT conversion",
        "Timestamped JSON segment array",
        "SRT file hosted on Apify key-value store",
        "ASR fallback for videos without native captions",
        "Per-video pay-per-result at $0.48",
        "Native integrations with Make.com, n8n, LangChain, and CrewAI"
      ],
      "offers": {
        "@type": "Offer",
        "price": "0.48",
        "priceCurrency": "USD",
        "availability": "https://schema.org/InStock"
      },
      "author": { "@id": "https://apify.com/agentx#person" },
      "publisher": { "@id": "https://apify.com#organization" }
    },
    {
      "@type": "Person",
      "@id": "https://apify.com/agentx#person",
      "name": "AgentX",
      "url": "https://apify.com/agentx",
      "sameAs": [
        "https://apify.com/agentx",
        "https://t.me/AiAgentApi",
        "https://t.me/Apify_Actor"
      ],
      "knowsAbout": [
        "video captions",
        "subtitle extraction",
        "SRT conversion",
        "video localization",
        "AI training data"
      ]
    },
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Apify",
          "item": "https://apify.com"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "AgentX",
          "item": "https://apify.com/agentx"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Video Caption Scraper",
          "item": "https://apify.com/agentx/video-caption-scraper"
        }
      ]
    }
  ]
}
```

***

### Pricing & Cost Calculator

#### PAY\_PER\_EVENT Pricing

| Event                | Price                           |
| -------------------- | ------------------------------- |
| Actor Start          | $0.01 per start (per GB memory) |
| Actor Usage          | $0.00001 per usage unit         |
| Subtitles Extraction | $0.48 per video                 |

#### Cost Calculator Examples

| Videos     | Actor Start | Subtitles Cost | Total   |
| ---------- | ----------- | -------------- | ------- |
| 1 video    | $0.01       | $0.48          | ~$0.49  |
| 10 videos  | $0.01       | $4.80          | ~$4.81  |
| 50 videos  | $0.01       | $24.00         | ~$24.01 |
| 100 videos | $0.01       | $48.00         | ~$48.01 |

*Each run processes one video; subtitle cost is per video regardless of language count selected.*

***

### Use Cases & Applications

#### AI Training Data & NLP Pipelines

**Speech-Text Alignment Dataset Construction**
The timestamped `subtitle` object provides precise speech-text alignment data across 55+ languages — enabling multilingual ASR model training, subtitle quality evaluation, and cross-language alignment corpus construction for NLP research and AI training pipelines.

**Multilingual Corpus Building**
Extract subtitles across multiple languages for the same video — building parallel translation corpora, language model fine-tuning datasets, and multilingual NLP training sets from video content at scale.

#### Localization & Accessibility Engineering

**Video Localization Pipeline**
Extract native subtitle tracks in source language, feed timestamped segments to translation APIs, and re-import translated SRT files — building end-to-end video localization pipelines for content internationalization.

**Accessibility Caption Generation**
The `srt_url` download link provides ready-to-use SRT files for closed caption editors, accessibility compliance workflows, and video platform caption upload pipelines.

***

### FAQ

#### What video platforms are supported?

This actor supports 1,000+ video platforms including YouTube (all formats: standard, Shorts, live), TikTok, Vimeo, Dailymotion, and many others. Any platform that hosts subtitle/caption tracks can be extracted.

#### What subtitle formats are supported?

Native formats (VTT, ASS, TTML, SBV) are automatically converted to SRT and timestamped JSON. The `srt_url` field provides an SRT download link; the `subtitle` field provides the timestamped JSON representation.

#### Can I extract all languages at once?

Yes — set `languages` to `["all"]` to extract every available subtitle track. Each language track produces one separate record in the output dataset.

#### Is there an ASR fallback for videos without subtitles?

Yes — for videos without native captions, the actor falls back to ASR (automatic speech recognition) transcription to generate subtitle content.

***

### SEO Keywords & Search Terms

#### Primary Keywords

video caption scraper API, video subtitle extraction API, multi-platform subtitle extractor, YouTube caption API, TikTok subtitle extraction, video captions structured data, SRT file extractor API, multilingual subtitle API, video caption pipeline, timestamped subtitle extractor

#### Long-Tail Keywords

how to extract video captions programmatically, YouTube subtitle extraction API multi-language, video caption to SRT conversion API, multilingual video subtitle pipeline, AI training caption dataset extractor, video accessibility caption API, TikTok caption scraper API, VTT to SRT conversion pipeline, timestamped subtitle JSON extractor, cross-platform caption intelligence API

#### Industry Terms

video caption intelligence API, multilingual subtitle extraction pipeline, ASR caption fallback API, speech-text alignment dataset, SRT file generation API, video localization pipeline, accessibility caption tool, NLP corpus caption extraction, subtitle format conversion API, cross-platform video caption data

***

### Trust & Certifications

- ✅ **Production-Grade Infrastructure** — runs on the Apify cloud platform with managed proxy rotation and automatic retries
- ✅ **GDPR & CCPA-Region Aligned** — extracts only publicly available video captions; no personal contact data retained beyond the run session
- ✅ **Pay-Per-Result Billing** — transparent $0.48 per video with no monthly minimum or seat fees
- ✅ **Continuously Maintained** — platform extractors and format converters updated as video sources evolve

***

### Legal & Compliance

#### Data Rights & Usage

All data extracted by this actor originates from publicly accessible video captions and subtitle tracks. Users are responsible for ensuring their use of extracted data complies with applicable laws, data protection regulations, and the terms of service of the source video platforms.

#### Privacy Compliance

- **GDPR**: Compliant with EU GDPR for data processing workflows.
- **CCPA**: Compliant with California Consumer Privacy Act requirements.

#### Platform Terms of Service

Users must review and comply with the terms of service of each source video platform when using extracted caption data.

#### Enterprise Support

For enterprise licensing, custom integrations, or compliance inquiries:

- **Telegram**: [@AiAgentApi](https://t.me/AiAgentApi)

***

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- **[AutoTrader Dealer Leads API](https://apify.com/agentx/autotrader-dealer-leads-api?fpr=aiagentapi)** - AutoTrader Dealer Lead Intelligence API
- **[AutoTrader Vehicle Listings API](https://apify.com/agentx/autotrader-vehicle-listings-api?fpr=aiagentapi)** - AutoTrader Vehicle Listings Intelligence API
- **[Cars.com Dealer Leads API](https://apify.com/agentx/cars-com-dealer-leads-api?fpr=aiagentapi)** - Cars.com Dealer Lead Intelligence API
- **[Cars.com Vehicle Listings API](https://apify.com/agentx/cars-com-vehicle-listings-api?fpr=aiagentapi)** - Cars.com Vehicle Listings Intelligence API
- **[Kleinanzeigen Classifieds Data Extractor](https://apify.com/agentx/kleinanzeigen-classifieds-data-extractor?fpr=aiagentapi)** - Kleinanzeigen Classifieds Intelligence API
- **[Kleinanzeigen Seller Leads API](https://apify.com/agentx/kleinanzeigen-seller-leads-api?fpr=aiagentapi)** - Kleinanzeigen Seller Lead Intelligence API
- **[OLX Classifieds Data Extractor](https://apify.com/agentx/olx-classifieds-data-extractor?fpr=aiagentapi)** - OLX Classifieds Intelligence API
- **[OLX Seller Leads API](https://apify.com/agentx/olx-seller-leads-api?fpr=aiagentapi)** - OLX Seller Lead Intelligence API
- **[Webmotors Vehicle Listings API](https://apify.com/agentx/webmotors-vehicle-listings-api?fpr=aiagentapi)** - Webmotors Vehicle Listings Intelligence API

#### Real Estate

- **[MagicBricks Builder Leads API](https://apify.com/agentx/magicbricks-builder-leads-api?fpr=aiagentapi)** - MagicBricks Builder Lead Intelligence API
- **[MagicBricks Property Data Extractor](https://apify.com/agentx/magicbricks-property-data-extractor?fpr=aiagentapi)** - MagicBricks Real Estate Data API
- **[Realtor Property Scraper](https://apify.com/agentx/realtor-property-scraper?fpr=aiagentapi)** - Realtor.com Property Listings Intelligence API
- **[Zillow For Sale Scraper](https://apify.com/agentx/zillow-for-sale-scraper?fpr=aiagentapi)** - Zillow Property Listings Intelligence API

#### Business Intelligence & Reviews

- **[BBB Business Data Extractor](https://apify.com/agentx/bbb-business-data-extractor?fpr=aiagentapi)** - BBB Business Intelligence API
- **[BBB Reputation Data Extractor](https://apify.com/agentx/bbb-reputation-data-extractor?fpr=aiagentapi)** - BBB Reputation Intelligence API
- **[Google Maps Store Scraper](https://apify.com/agentx/google-maps-store-scraper?fpr=aiagentapi)** - Google Maps Business Intelligence API
- **[Reclame Aqui Company Data Extractor](https://apify.com/agentx/reclame-aqui-company-data-extractor?fpr=aiagentapi)** - Reclame Aqui Company Intelligence API
- **[TradeIndia Product Data Extractor](https://apify.com/agentx/tradeindia-product-data-extractor?fpr=aiagentapi)** - TradeIndia Product Intelligence API
- **[TradeIndia Supplier Leads API](https://apify.com/agentx/tradeindia-supplier-leads-api?fpr=aiagentapi)** - TradeIndia Supplier Lead Intelligence API
- **[Zomato Menu Data Extractor](https://apify.com/agentx/zomato-menu-data-extractor?fpr=aiagentapi)** - Zomato Restaurant Menu Intelligence API
- **[Zomato Restaurant Data Extractor](https://apify.com/agentx/zomato-restaurant-data-extractor?fpr=aiagentapi)** - Zomato Restaurant Search Intelligence API

#### Other

- **[Global Weather Scraper](https://apify.com/agentx/global-weather-scraper?fpr=aiagentapi)** - Global Weather Intelligence API

***

### Support & Community

- **👥 Community**: [@Apify\_Actor](https://t.me/Apify_Actor)
- **👤 Contact Team**: [@AiAgentApi](https://t.me/AiAgentApi)

***

**Last Updated:** May 01, 2026

# Actor input Schema

## `video_url` (type: `string`):

Enter the video URL

## `languages` (type: `array`):

Select the languages for subtitles. You can select multiple.

## Actor input object example

```json
{
  "video_url": "https://www.youtube.com/shorts/noWlKvEPOWk",
  "languages": [
    "english"
  ]
}
```

# Actor output Schema

## `results` (type: `string`):

All subtitles with metadata, language details, and downloadable SRT files

# API

You can run this Actor programmatically using our API. Below are code examples in JavaScript, Python, and CLI, as well as the OpenAPI specification and MCP server setup.

## JavaScript example

```javascript
import { ApifyClient } from 'apify-client';

// Initialize the ApifyClient with your Apify API token
// Replace the '<YOUR_API_TOKEN>' with your token
const client = new ApifyClient({
    token: '<YOUR_API_TOKEN>',
});

// Prepare Actor input
const input = {
    "video_url": "https://www.youtube.com/shorts/noWlKvEPOWk",
    "languages": [
        "english"
    ]
};

// Run the Actor and wait for it to finish
const run = await client.actor("agentx/video-captions-downloader").call(input);

// Fetch and print Actor results from the run's dataset (if any)
console.log('Results from dataset');
console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
const { items } = await client.dataset(run.defaultDatasetId).listItems();
items.forEach((item) => {
    console.dir(item);
});

// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

```

## Python example

```python
from apify_client import ApifyClient

# Initialize the ApifyClient with your Apify API token
# Replace '<YOUR_API_TOKEN>' with your token.
client = ApifyClient("<YOUR_API_TOKEN>")

# Prepare the Actor input
run_input = {
    "video_url": "https://www.youtube.com/shorts/noWlKvEPOWk",
    "languages": ["english"],
}

# Run the Actor and wait for it to finish
run = client.actor("agentx/video-captions-downloader").call(run_input=run_input)

# Fetch and print Actor results from the run's dataset (if there are any)
print("💾 Check your data here: https://console.apify.com/storage/datasets/" + run["defaultDatasetId"])
for item in client.dataset(run["defaultDatasetId"]).iterate_items():
    print(item)

# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

```

## CLI example

```bash
echo '{
  "video_url": "https://www.youtube.com/shorts/noWlKvEPOWk",
  "languages": [
    "english"
  ]
}' |
apify call agentx/video-captions-downloader --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "command": "npx",
            "args": [
                "mcp-remote",
                "https://mcp.apify.com/?tools=agentx/video-captions-downloader",
                "--header",
                "Authorization: Bearer <YOUR_API_TOKEN>"
            ]
        }
    }
}

```

## OpenAPI specification

```json
{
    "openapi": "3.0.1",
    "info": {
        "title": "Video Captions Downloader",
        "description": "Subtitle / caption API for any public video URL across 1000+ platforms. Pulls native captions when available, falls back to ASR otherwise, and normalizes VTT, ASS, TTML, and SBV into clean SRT plus a timestamped subtitle map for localization, translation memory, or transcript indexing.",
        "version": "1.0",
        "x-build-id": "cVv4TGpBKycuksC1A"
    },
    "servers": [
        {
            "url": "https://api.apify.com/v2"
        }
    ],
    "paths": {
        "/acts/agentx~video-captions-downloader/run-sync-get-dataset-items": {
            "post": {
                "operationId": "run-sync-get-dataset-items-agentx-video-captions-downloader",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK"
                    }
                }
            }
        },
        "/acts/agentx~video-captions-downloader/runs": {
            "post": {
                "operationId": "runs-sync-agentx-video-captions-downloader",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor and returns information about the initiated run in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK",
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/schemas/runsResponseSchema"
                                }
                            }
                        }
                    }
                }
            }
        },
        "/acts/agentx~video-captions-downloader/run-sync": {
            "post": {
                "operationId": "run-sync-agentx-video-captions-downloader",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK"
                    }
                }
            }
        }
    },
    "components": {
        "schemas": {
            "inputSchema": {
                "type": "object",
                "required": [
                    "video_url",
                    "languages"
                ],
                "properties": {
                    "video_url": {
                        "title": "🎬 Video URL",
                        "type": "string",
                        "description": "Enter the video URL"
                    },
                    "languages": {
                        "title": "🌍 Languages",
                        "type": "array",
                        "description": "Select the languages for subtitles. You can select multiple.",
                        "items": {
                            "type": "string",
                            "enum": [
                                "all",
                                "afrikaans",
                                "arabic",
                                "armenian",
                                "belarusian",
                                "bengali",
                                "bulgarian",
                                "cantonese",
                                "catalan",
                                "chinese_simplified",
                                "chinese_traditional",
                                "croatian",
                                "czech",
                                "danish",
                                "dutch",
                                "english",
                                "esperanto",
                                "estonian",
                                "filipino",
                                "finnish",
                                "french",
                                "german",
                                "greek",
                                "gujarati",
                                "hebrew",
                                "hindi",
                                "hungarian",
                                "icelandic",
                                "indonesian",
                                "italian",
                                "japanese",
                                "korean",
                                "latvian",
                                "lithuanian",
                                "malay",
                                "marathi",
                                "norwegian",
                                "persian",
                                "polish",
                                "portuguese",
                                "romanian",
                                "russian",
                                "serbian",
                                "slovak",
                                "slovenian",
                                "spanish",
                                "swahili",
                                "swedish",
                                "tamil",
                                "telugu",
                                "thai",
                                "turkish",
                                "ukrainian",
                                "urdu",
                                "vietnamese"
                            ],
                            "enumTitles": [
                                "All",
                                "Afrikaans",
                                "Arabic",
                                "Armenian",
                                "Belarusian",
                                "Bengali",
                                "Bulgarian",
                                "Cantonese",
                                "Catalan",
                                "Chinese Simplified",
                                "Chinese Traditional",
                                "Croatian",
                                "Czech",
                                "Danish",
                                "Dutch",
                                "English",
                                "Esperanto",
                                "Estonian",
                                "Filipino",
                                "Finnish",
                                "French",
                                "German",
                                "Greek",
                                "Gujarati",
                                "Hebrew",
                                "Hindi",
                                "Hungarian",
                                "Icelandic",
                                "Indonesian",
                                "Italian",
                                "Japanese",
                                "Korean",
                                "Latvian",
                                "Lithuanian",
                                "Malay",
                                "Marathi",
                                "Norwegian",
                                "Persian",
                                "Polish",
                                "Portuguese",
                                "Romanian",
                                "Russian",
                                "Serbian",
                                "Slovak",
                                "Slovenian",
                                "Spanish",
                                "Swahili",
                                "Swedish",
                                "Tamil",
                                "Telugu",
                                "Thai",
                                "Turkish",
                                "Ukrainian",
                                "Urdu",
                                "Vietnamese"
                            ]
                        }
                    }
                }
            },
            "runsResponseSchema": {
                "type": "object",
                "properties": {
                    "data": {
                        "type": "object",
                        "properties": {
                            "id": {
                                "type": "string"
                            },
                            "actId": {
                                "type": "string"
                            },
                            "userId": {
                                "type": "string"
                            },
                            "startedAt": {
                                "type": "string",
                                "format": "date-time",
                                "example": "2025-01-08T00:00:00.000Z"
                            },
                            "finishedAt": {
                                "type": "string",
                                "format": "date-time",
                                "example": "2025-01-08T00:00:00.000Z"
                            },
                            "status": {
                                "type": "string",
                                "example": "READY"
                            },
                            "meta": {
                                "type": "object",
                                "properties": {
                                    "origin": {
                                        "type": "string",
                                        "example": "API"
                                    },
                                    "userAgent": {
                                        "type": "string"
                                    }
                                }
                            },
                            "stats": {
                                "type": "object",
                                "properties": {
                                    "inputBodyLen": {
                                        "type": "integer",
                                        "example": 2000
                                    },
                                    "rebootCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "restartCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "resurrectCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "computeUnits": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            },
                            "options": {
                                "type": "object",
                                "properties": {
                                    "build": {
                                        "type": "string",
                                        "example": "latest"
                                    },
                                    "timeoutSecs": {
                                        "type": "integer",
                                        "example": 300
                                    },
                                    "memoryMbytes": {
                                        "type": "integer",
                                        "example": 1024
                                    },
                                    "diskMbytes": {
                                        "type": "integer",
                                        "example": 2048
                                    }
                                }
                            },
                            "buildId": {
                                "type": "string"
                            },
                            "defaultKeyValueStoreId": {
                                "type": "string"
                            },
                            "defaultDatasetId": {
                                "type": "string"
                            },
                            "defaultRequestQueueId": {
                                "type": "string"
                            },
                            "buildNumber": {
                                "type": "string",
                                "example": "1.0.0"
                            },
                            "containerUrl": {
                                "type": "string"
                            },
                            "usage": {
                                "type": "object",
                                "properties": {
                                    "ACTOR_COMPUTE_UNITS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_WRITES": {
                                        "type": "integer",
                                        "example": 1
                                    },
                                    "KEY_VALUE_STORE_LISTS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_INTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_EXTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_SERPS": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            },
                            "usageTotalUsd": {
                                "type": "number",
                                "example": 0.00005
                            },
                            "usageUsd": {
                                "type": "object",
                                "properties": {
                                    "ACTOR_COMPUTE_UNITS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_WRITES": {
                                        "type": "number",
                                        "example": 0.00005
                                    },
                                    "KEY_VALUE_STORE_LISTS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_INTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_EXTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_SERPS": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}
```
