You can access the Table to JSON + Diff 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    "urls": [
12        "https://en.wikipedia.org/wiki/List_of_largest_cities"
13    ],
14    "keyColumn": "City"
15};
16
17// Run the Actor and wait for it to finish
18const run = await client.actor("sumizumi/table-to-json-diff").call(input);
19
20// Fetch and print Actor results from the run's dataset (if any)
21console.log('Results from dataset');
22console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
23const { items } = await client.dataset(run.defaultDatasetId).listItems();
24items.forEach((item) => {
25    console.dir(item);
26});
27
28// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

Table to JSON + Diff API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use Table to JSON + Diff 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:

Table to JSON + Diff API in Python

Table to JSON + Diff API through CLI

Table to JSON + Diff OpenAPI definition

Table to JSON + Diff API

Diff Dataset Fields

lukaskrivka/diff-dataset-fields

Compare changes in text fields between two datasets. Monitor new and updated content on websites.

Lukáš Křivka

Video Table Extractor (tables on screen to CSV/Excel)

madrasco/video-table-extractor

Reads the tables shown on screen in your own video file (screen recordings, slide talks, demos) and returns them as CSV and Excel. Every row cites the frame time it was read from and links to that frame's image. Scrolled tables are stitched into one.

Jack Valmadre

TOON to JSON (converter)

room_js/toon-to-json-converter

This actor allows you to convert TOON format to JSON

JavaScript Room

Validate Dataset(s) with JSON Schema

jaroslavhejlek/validate-dataset-with-json-schema

This Actor validates items in one or more datasets against a provided JSON Schema. Use it if you planning to add a dataset validation schema to your actor and you want test it.

Jaroslav Hejlek

Terms, Privacy & Policy Diff Monitor

gifted_wagon/terms-policy-diff-monitor

Track public terms and privacy policies by clause. Find material additions, removals, obligation, entity, effective-date, retention, arbitration, data-sharing, and other risk changes with before/after evidence.

Michael Olmos

Website Changes Detector

tri_angle/website-changes-detector

Automatically track website changes (new, updated, or removed pages) using periodic re-crawling. Supports flexible crawling settings, a list of URLs or sections of websites, antiblocking, filtering by keywords, and more.

Tri⟁angle

119

5.0

(1)

CSV and JSON Integrity Parser

plainkitbin/csv-json-integrity

Turn CSV and JSON files into clean, validated JSON records. Provide direct file URLs or paste text to validate row headers, structure, and column counts. Each document produces per-record SHA-256 hashes and an audit manifest for complete data lineage, ETL verification, and contact scrubbing.

PlainKit bin

PDF Table Extractor: PDF to Excel, CSV & JSON

tidyfold/pdf-tables-to-csv

$0.002 per page. Extract tables from PDFs to Excel (XLSX), CSV and JSON rows. Bulk URLs, page ranges, ruled and borderless tables. No AI key.

Tidyfold Tools

Release Manifest Diff

axelhu/release-manifest-diff

Compare two Release Integrity manifests and export deterministic added, removed, SHA-256, size, and MIME changes without network access.

Axel Hu

HTML Table Extractor – Any Web Table to JSON/CSV

shawndunn/html-table-extractor

Extract every HTML table on any page into rows with proper headers, captions and table index. Works on Wikipedia, government stats, docs and reports. Extracts fields: url, tableIndex, tableCaption, rowIndex, data.