# Multi Platform Social Posts and Comments (`mambalabs/multi-platform-social-posts-comments`) Actor

Search public posts and comments on Bluesky, Hacker News, Mastodon, Lemmy, Reddit, and YouTube, or read the comments on your own posts. One row layout for all 6, with no login and no key. Instagram, X, Facebook, TikTok, and LinkedIn are not covered.

- **URL**: https://apify.com/mambalabs/multi-platform-social-posts-comments.md
- **Developed by:** [Mamba Labs](https://apify.com/mambalabs) (community)
- **Categories:** Social media, Lead generation, AI
- **Features:** Limited permissions
- **Stats:** 2 total users, 1 monthly users, 100.0% runs succeeded, 0 bookmarks
- **User rating**: No ratings yet

## Pricing

from $1.70 / 1,000 social rows

This Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events.
Since this Actor supports Apify Store discounts, the price gets lower the higher subscription plan you have.

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

## What's an Apify Actor?

An Actor is a serverless cloud program that runs on the Apify platform. It has two run modes.
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.

Apify vocabulary and the platform model are defined once, in the agent quickstart at https://apify.com/agents.md.

## 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.

Do not guess an integration path. Every one of them is in the agent quickstart at https://apify.com/agents.md: the Apify MCP server, Agent Skills with the Apify CLI, the JavaScript and Python clients, the REST API, and the account-free path for an agent with no human to sign in. It also carries the rule on stating cost before the first paid run.

For examples already wired to this Actor's own input schema, see the [API](#api) section below.

Each client library has reference documentation the quickstart does not restate: [JavaScript/TypeScript](https://docs.apify.com/api/client/js/docs.md) (`npm install apify-client`) and [Python](https://docs.apify.com/api/client/python/docs.md) (`pip install apify-client`).

# README

## Multi Platform Social Posts and Comments

Give keywords or post addresses. The actor returns public posts and comments from Bluesky, Hacker News, Mastodon, Lemmy, Reddit, and YouTube, in one row layout, so one table holds all 6. You pay per row returned. Mamba Labs pays the platform costs of the run.

Instagram, X, Facebook, TikTok, and LinkedIn are not covered. See Limitations.

### Features

- One row layout across 6 platforms: platform, text, author, address, date, and counts.
- Keyword search, with the comments on each post found.
- Comments on post addresses you give, such as your own posts.
- One free status row per query and platform, which says what was returned or why a platform was blocked.

### How the data is read

Each platform is read from its public route on the Apify proxy default pool, with no login, no key, and no other developer's actor: the Bluesky public API, the Hacker News Algolia API, the Mastodon and Lemmy instance APIs, Reddit Atom feeds, and the YouTube search and watch pages. Read each platform's terms before you use the data; some restrict automated access or republishing.

### Input

| Field | Type | Default | What it does |
|---|---|---|---|
| `queries` | array |  | Keywords to search on each platform, up to 20. Mastodon reads a query as a hashtag, so crm tools becomes #crmtools. |
| `post_urls` | array |  | Addresses of posts to read comments from, such as your own posts, up to 100. Bluesky, Hacker News, Mastodon, Lemmy, Reddit, and YouTube. |
| `platforms` | array |  | Any of bluesky, hackernews, mastodon, lemmy, reddit, youtube. Default all 6. Used for queries; a post address picks its own platform. |
| `max_posts_per_platform` | string | `25` | Up to 500. Default 25. YouTube returns its first results page, about 20 videos. |
| `include_comments` | string | `yes` | yes or no. Default yes. Each comment is a charged row. |
| `max_comments_per_post` | string | `20` | Up to 200. Default 20. YouTube returns its first comment page, about 20. |
| `since_date` | string |  | Only posts from this date, such as 2026-10-01. YouTube gives relative dates only, so YouTube rows are not filtered. |
| `mastodon_instance` | string | `mastodon.social` | Host name to read hashtags from. Default mastodon.social. |
| `lemmy_instance` | string | `lemmy.world` | Host name to search. Default lemmy.world. |
| `max_charge_usd` | string |  | Optional. The run stops before a charge that would pass this amount. Summary rows are always returned. |

### Output

| Field | Type | What it holds |
|---|---|---|
| `row_type` | string | One of: post, comment, platform_status, run_summary. run_summary is the one free row written when the input is refused. |
| `row_key` | string | Unique key for this row. |
| `platform` | string | bluesky, hackernews, mastodon, lemmy, reddit, or youtube. |
| `query` | string | The search query that found this row. Null for a post address input. |
| `query_in_text` | boolean | Post rows from a search: whether the returned title or text holds the query. A platform search can match on something it does not return, so false is not always wrong. |
| `post_id` | string | The platform ID of this post or comment. |
| `parent_id` | string | Comment rows: the ID of the post or comment it answers, where the platform gives it. |
| `url` | string | The public address of this post or comment. |
| `title` | string | Post title where the platform has one. |
| `text` | string | The post or comment text, or the video snippet on YouTube search rows. |
| `author` | string | The public handle or name the platform shows. |
| `author_url` | string | The author public page. |
| `created_at` | string | UTC time. Null on YouTube, which gives only relative dates. |
| `published_text` | string | YouTube relative date, such as 2 weeks ago. |
| `likes` | integer | Likes, points, or upvotes. Null on Reddit feeds. |
| `replies` | integer | Reply count where the platform gives it. |
| `reposts` | integer | Reposts or boosts on Bluesky and Mastodon. |
| `views` | integer | YouTube search rows: views. |
| `community` | string | Subreddit or Lemmy community. |
| `posts_returned` | integer | platform_status: post rows written for this query and platform. |
| `comments_returned` | integer | platform_status: comment rows written. |
| `row_status` | string | ok, or why this row carries no data: no_results, no_change, partial, blocked, or error. |
| `error_reason` | string | Why the row is not ok. A refused input reads input_invalid: followed by what to fix. |
| `billable_events_json` | string | What this row was billed as, for example {"social-row":1}. {} means free. |
| `scraped_at` | string | When the row was written, UTC. |

### Pricing

Pay per event. Summary rows and a refused input are free.

| Event | Free plan | Bronze | Silver | Gold |
|---|---|---|---|---|
| `social-row`, one post or comment | $0.002 | $0.0019 | $0.0018 | $0.0017 |
| `apify-actor-start`, once per run (one per GB of memory; the default 512 MB is one) | $0.007 | $0.007 | $0.007 | $0.007 |

Per 1,000 rows of `social-row`: $2.00 on the free plan, $1.70 on Gold.

Free plan cap: 1.50 USD of evaluation a month, about 750 rows. Any paid Apify plan removes the cap, and it resets on the 1st. The run stops before a charge that passes your maximum charge per run in Apify or your `max_charge_usd` input.

Mamba Labs pays the platform costs of your run, Apify proxy traffic included.

### Usage examples

**Clay.** Number and on or off inputs are text fields, which is what Clay sends. A list input takes a JSON list, so put the column inside a one item list.

**MCP.** The Mamba Labs MCP server `@mambalabsdev/mcp-multi-platform-social-posts-comments` exposes this actor to Claude and other MCP clients.

### Error handling

| Case | What you get |
|---|---|
| Missing or unreadable input | One free row, `row_type` `run_summary`, `error_reason` starting `input_invalid:` with what to fix. The run ends successfully and charges nothing but the run start |
| A platform refuses or finds nothing | One free `platform_status` row with `row_status` `blocked`, `partial`, or `no_results`, and the other platforms still run |
| The run is close to its timeout | The actor stops starting new work 90 seconds before the timeout and delivers what it has |

### Limitations

- Instagram, X, Facebook, TikTok, and LinkedIn are not covered. Asking for one returns the free refusal row.
- Each platform's own search decides what matches. Some match on fields they do not return, so `query_in_text` reads false on some rows. In one test run, 22 of 110 posts read false.
- Mastodon reads a query as a hashtag on one instance, because keyword search there needs an account. `cold email` becomes `#coldemail` on mastodon.social unless you set `mastodon_instance`.
- Lemmy searches one instance, lemmy.world by default, plus what that instance has federated.
- Reddit rows come from public feeds, so they carry no score or comment count, and comments carry no parent ID finer than the post. Reddit can refuse requests from the shared proxy. A refused request is not retried on a new address and does not fall back to residential: it ends in a free `blocked` or `partial` status row. This applies to every platform the actor reads. In one test of 60 posts, comments on at least 1 post were refused.
- YouTube returns its first results page, about 20 videos, and its first comment page, about 20 comments. Dates are relative, such as 2 weeks ago, so `since_date` does not filter YouTube rows. Videos with no word of the query are dropped, because YouTube fills an empty search with unrelated videos.
- Replies are not guaranteed to be complete on any platform: the actor reads up to `max_comments_per_post`, and a platform can hide or omit a reply.
- Bluesky authors who ask not to be shown to logged out viewers (the `!no-unauthenticated` label) are skipped, free, on search, replies, and post addresses, along with the replies under them. A post address by such an author returns a free `blocked` status row.
- Rows carry only what each platform shows publicly, such as a handle. No email or phone is looked up.

### What changed

- 2026-11-08: a refused request (HTTP 403, 429, or 503) is no longer retried on a new proxy address. Before, each Reddit feed got one retry. The refusal now ends in a free status row at once. Prices did not change.

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| [Amazon Product, Price, and Stock Tracker](https://apify.com/mambalabs/amazon-product-price-stock-tracker?fpr=mamba) | `MtJPZoyjJ3IeqTFyo` |
| [API Deprecation and Breaking Change Monitor](https://apify.com/mambalabs/api-change-monitor?fpr=mamba) | `pHsbS3xXUK8Jqutz5` |
| [App Store and Google Play Review Monitor](https://apify.com/mambalabs/app-store-google-play-review-monitor?fpr=mamba) | `MaCMEhGrbchxQZ92G` |
| [B2B Reddit Conversation Monitor](https://apify.com/mambalabs/b2b-reddit-conversation-monitor?fpr=mamba) | `SoDryzzsjmY3SsiyG` |
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| [Research Topic Institutions and Authors](https://apify.com/mambalabs/research-topic-institutions-authors?fpr=mamba) | `OH8ANqt7bCKbo72Gk` |
| [Sequencer Event Poller](https://apify.com/mambalabs/sequencer-event-poller?fpr=mamba) | `S6s8Rjd61tGdrMRk4` |
| [Sequencer Lead Push](https://apify.com/mambalabs/clay-to-instantly-smartlead-push?fpr=mamba) | `0Jv27VeWM5tSZQs9x` |
| [Shopify App Store and Chrome Web Store Listings](https://apify.com/mambalabs/shopify-app-store-chrome-web-store-listings?fpr=mamba) | `gaY0BzkLyN77mD3wI` |
| [Site Crawler for Links and Tables](https://apify.com/mambalabs/site-crawler-links-tables?fpr=mamba) | `lLLJ6JxZ4XqN8ULz0` |
| [Substack Newsletter and Posts Scraper](https://apify.com/mambalabs/substack-scraper?fpr=mamba) | `UEFsdwiPLmPNVy9xd` |
| [Team Page People Extractor](https://apify.com/mambalabs/team-page-people-extractor?fpr=mamba) | `j8a9zX0k4mNbvDbWK` |
| [Tech Stack Signal Detector](https://apify.com/mambalabs/gtm-tech-stack-signal-scraper?fpr=mamba) | `qyd7nNyqFPelQViBx` |
| [Threads Posts by Keyword, Exact Match](https://apify.com/mambalabs/threads-keyword-search?fpr=mamba) | `2OT8K8RiEEWtaj2MW` |
| [TikTok Brand Presence Mapper](https://apify.com/mambalabs/tiktok-brand-presence-mapper?fpr=mamba) | `fco8FvoJcSafbeyd1` |
| [Trustpilot Reputation Enricher](https://apify.com/mambalabs/review-platform-reputation-enricher?fpr=mamba) | `3lIqfCt61j4hqE1xz` |
| [US and UK Contract Award Winners by Company](https://apify.com/mambalabs/public-award-monitor?fpr=mamba) | `zhEtllASykOcx9hJ8` |
| [US Import Records Buyer Finder](https://apify.com/mambalabs/us-import-records-buyer-finder?fpr=mamba) | `VIMafpKF5ggOw0COU` |
| [VC and Accelerator Portfolio List Builder](https://apify.com/mambalabs/vc-accelerator-portfolio-list-builder?fpr=mamba) | `chH8hrfuoqqolW06m` |
| [Website Accessibility Checker, WCAG 2.2 AA](https://apify.com/mambalabs/wcag-accessibility-audit?fpr=mamba) | `P3jBj3FRghKEhX52z` |
| [Website Phrase and Business Model Classifier](https://apify.com/mambalabs/website-phrase-business-model-classifier?fpr=mamba) | `CBuZ9k7sRwBeiKiCS` |
| [Website Traffic Rank Estimator](https://apify.com/mambalabs/website-traffic-rank-estimator?fpr=mamba) | `GnOFUzlNVIoXgeJjH` |
| [Work Email Waterfall](https://apify.com/mambalabs/email-waterfall-orchestrator?fpr=mamba) | `OT6xqTFThC0Rjf7Zj` |
| [Workplace Program Detector](https://apify.com/mambalabs/workplace-program-detector?fpr=mamba) | `Li6pPDhqbdzFz3h7G` |
| [X Brand Presence Mapper](https://apify.com/mambalabs/x-brand-presence-mapper?fpr=mamba) | `oLOgadhHUkNAyDA3w` |
| [YouTube Channel from Company Domain](https://apify.com/mambalabs/youtube-channel-transcript-extractor?fpr=mamba) | `6hSpD3kd2s2IQ4VSs` |
| [Zillow Listing Details](https://apify.com/mambalabs/zillow-listing-details?fpr=mamba) | `yG4zM0Enfsw2NefJ1` |

Built by [Mamba Labs](https://apify.com/mambalabs).

# Actor input Schema

## `queries` (type: `array`):

Keywords to search on each platform, up to 20. Mastodon reads a query as a hashtag, so crm tools becomes #crmtools.

## `post_urls` (type: `array`):

Addresses of posts to read comments from, such as your own posts, up to 100. Bluesky, Hacker News, Mastodon, Lemmy, Reddit, and YouTube.

## `platforms` (type: `array`):

Any of bluesky, hackernews, mastodon, lemmy, reddit, youtube. Default all 6. Used for queries; a post address picks its own platform.

## `max_posts_per_platform` (type: `string`):

Up to 500. Default 25. YouTube returns its first results page, about 20 videos.

## `include_comments` (type: `string`):

yes or no. Default yes. Each comment is a charged row.

## `max_comments_per_post` (type: `string`):

Up to 200. Default 20. YouTube returns its first comment page, about 20.

## `since_date` (type: `string`):

Only posts from this date, such as 2026-10-01. YouTube gives relative dates only, so YouTube rows are not filtered.

## `mastodon_instance` (type: `string`):

Host name to read hashtags from. Default mastodon.social.

## `lemmy_instance` (type: `string`):

Host name to search. Default lemmy.world.

## `max_charge_usd` (type: `string`):

Optional. The run stops before a charge that would pass this amount. Summary rows are always returned.

## `source_tag` (type: `string`):

Internal attribution tag. Leave empty.

## Actor input object example

```json
{
  "queries": [
    "crm"
  ],
  "platforms": [
    "bluesky",
    "hackernews",
    "lemmy"
  ],
  "max_posts_per_platform": "3",
  "include_comments": "yes",
  "max_comments_per_post": "2",
  "mastodon_instance": "mastodon.social",
  "lemmy_instance": "lemmy.world"
}
```

# Actor output Schema

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

No description

## `run_summary` (type: `string`):

No description

# 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 = {
    "queries": [
        "crm"
    ],
    "platforms": [
        "bluesky",
        "hackernews",
        "lemmy"
    ],
    "max_posts_per_platform": "3",
    "max_comments_per_post": "2"
};

// Run the Actor and wait for it to finish
const run = await client.actor("mambalabs/multi-platform-social-posts-comments").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 = {
    "queries": ["crm"],
    "platforms": [
        "bluesky",
        "hackernews",
        "lemmy",
    ],
    "max_posts_per_platform": "3",
    "max_comments_per_post": "2",
}

# Run the Actor and wait for it to finish
run = client.actor("mambalabs/multi-platform-social-posts-comments").call(run_input=run_input)

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

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

```

## CLI example

```bash
echo '{
  "queries": [
    "crm"
  ],
  "platforms": [
    "bluesky",
    "hackernews",
    "lemmy"
  ],
  "max_posts_per_platform": "3",
  "max_comments_per_post": "2"
}' |
apify call mambalabs/multi-platform-social-posts-comments --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "type": "http",
            "url": "https://mcp.apify.com/?tools=fetch-actor-details,mambalabs/multi-platform-social-posts-comments"
        }
    }
}
```

The hosted server signs you in with OAuth on first connect, so no API token belongs in this config. Clients without OAuth support can send an `Authorization: Bearer <APIFY_API_TOKEN>` header instead, using a token from API & Integrations in Apify Console (https://console.apify.com/settings/integrations).

## OpenAPI specification

Download the OpenAPI definition: https://api.apify.com/v2/actors/icFuHR1EzDvUcfCQ5/builds/2No9teJvUaUPjsSTh/openapi.json