You can access the JSON to CSV Converter programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {
11    "jsonText": "{\"records\":[{\"id\":1,\"customer\":{\"name\":\"Ada Lovelace\"},\"status\":\"active\"},{\"id\":2,\"customer\":{\"name\":\"Grace Hopper\"},\"status\":\"active\"}]}",
12    "jsonUrls": [],
13    "recordPath": "records",
14    "flatten": true,
15    "flattenSeparator": ".",
16    "arrayMode": "stringify",
17    "arrayJoinSeparator": " | ",
18    "delimiter": "comma",
19    "includeBom": false,
20    "maxRows": 20,
21    "onError": "fail"
22};
23
24// Run the Actor and wait for it to finish
25const run = await client.actor("automation-lab/json-to-csv-converter").call(input);
26
27// Fetch and print Actor results from the run's dataset (if any)
28console.log('Results from dataset');
29console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
30const { items } = await client.dataset(run.defaultDatasetId).listItems();
31items.forEach((item) => {
32    console.dir(item);
33});
34
35// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

JSON to CSV Converter for Files and APIs API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use JSON to CSV Converter API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

JSON to CSV Converter API in Python

JSON to CSV Converter API through CLI

JSON to CSV Converter OpenAPI definition

JSON to CSV Converter API

JSON to CSV Converter

eloquent_mountain/json-to-csv-converter

JSON to CSV Converter. Effortlessly transform JSON data into CSV with our Apify actor. Handle nested structures, expand lists into rows, and customize separators and delimiters. Input via URL or paste JSON text. Ideal for data analysis and reporting!

Paco

JSON to CSV Transformer

gauthier-huguenin/json-to-csv-transformer-evwm

Transform JSON arrays to CSV with automatic schema detection. Supports nested objects and custom delimiters.

Gauthier Huguenin

JSON to CSV Converter

anaselgamed/json-to-csv-converter

Convert JSON data to CSV format instantly. Handles nested structures, auto-detects delimiters. Used by data professionals worldwide.

Anas Hossam

JSON to CSV Converter — Flatten Nested Data

junipr/json-to-csv-converter

Convert JSON arrays, objects, API responses, and nested data into CSV or TSV with flattening, field selection, and file exports.

junipr

JSON ↔ CSV Converter

web.harvester/json-csv-converter

Convert between JSON and CSV bidirectionally. Flatten nested objects to dot notation. Handle arrays with stringify, join, or first element. Custom delimiters (comma, semicolon, tab, pipe). Parse types automatically. Upload files, provide URLs, or load from Apify Datasets.

Web Harvester

Data Converter — JSON, CSV & XML

accurate_pouch/data-converter

Convert between JSON, CSV, and XML formats in bulk. JSON to CSV, CSV to JSON, JSON to XML, XML to JSON. Handles quoted fields, nested objects. $0.003/conversion.

Manchitt Sanan

JSON to CSV Converter

maximedupre/json-to-csv-converter

Turn a JSON object or collection into a CSV or TSV file. Use direct JSON, a URL, or an Apify dataset, then flatten nested fields, choose columns, and get the complete file with structured rows.

Maxime Dupré

Excel to CSV Converter

web.harvester/excel-to-csv

Convert Excel files (XLSX, XLS, ODS) to CSV format. Extract all sheets or specific ones. Configurable delimiter, date formatting, skip empty rows. Batch processing multiple files. Optional JSON output to Dataset. Handles large files efficiently. Perfect for ETL pipelines.

Web Harvester

VCF to CSV Converter

automation-lab/vcf-to-csv-converter

Convert pasted vCard text or public VCF files into normalized, CSV-ready contact rows while preserving repeated phones, emails, addresses, and custom fields.

Stas Persiianenko

CSV to JSON Converter - Convert CSV by URL or Text API

eliai/csv-to-json

Convert CSV to JSON via API - from a file URL or pasted raw text (fields: url or csv). Auto-detects delimiter (comma, tab, semicolon, pipe), types values (numbers, booleans, dates), handles quoted fields. Returns JSON records + column/type report. Sync run for agents and pipelines. $0.02 per file.