Pricing

from $5.00 / 1,000 difference detecteds

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Dataset Diff & Change Detector

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Returns what was added, removed or changed between two Apify datasets, files or Google Sheets by URL, or JSON arrays, matched by key, field by field, or since its own last run (snapshot mode). CSV/Excel diff report, named-dataset change log, webhook delivery. Agent-ready: pay per event (x402, MCP).

Pricing

from $5.00 / 1,000 difference detecteds

Rating

0.0

(0)

Developer

Adam Pearce

Actor stats

Bookmarked

Total users

Monthly active users

7 days ago

Last modified

Categories

Developer tools

Automation

You can access the Dataset Diff & Change Detector 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

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = {
9    "oldData": [
10        {
11            "sku": "A100",
12            "title": "Blue Widget",
13            "price": 19.99,
14            "stock": 42,
15        },
16        {
17            "sku": "A101",
18            "title": "Red Widget",
19            "price": 24.99,
20            "stock": 0,
21        },
22        {
23            "sku": "A102",
24            "title": "Green Widget",
25            "price": 15.5,
26            "stock": 8,
27        },
28    ],
29    "newData": [
30        {
31            "sku": "A100",
32            "title": "Blue Widget",
33            "price": 17.99,
34            "stock": 30,
35        },
36        {
37            "sku": "A102",
38            "title": "Green Widget",
39            "price": 15.5,
40            "stock": 8,
41        },
42        {
43            "sku": "A103",
44            "title": "Yellow Widget",
45            "price": 12,
46            "stock": 100,
47        },
48    ],
49    "keyFields": ["sku"],
50    "ignoreFields": [
51        "scrapedAt",
52        "lastChecked",
53        "timestamp",
54    ],
55}
56
57# Run the Actor and wait for it to finish
58run = client.actor("nerolabs/dataset-diff-detector").call(run_input=run_input)
59
60# Fetch and print Actor results from the run's dataset (if there are any)
61print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
62for item in client.dataset(run.default_dataset_id).iterate_items():
63    print(item)
64
65# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Dataset Diff & Change Detector - Compare Two Datasets API in Python

The Apify API client for Python is the official library that allows you to use Dataset Diff & Change Detector API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

Dataset Diff & Change Detector API in JavaScript

Dataset Diff & Change Detector API through CLI

Dataset Diff & Change Detector OpenAPI definition

Dataset Diff & Change Detector API

Dataset Diff & Change Intelligence Monitor

quanmatrix/dataset-diff-change-intelligence

Compare two Apify datasets or inline snapshots and explain added, removed, and changed records plus field-level change frequencies.

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Dataset Diff & Change Alert API

zentrafoundry/dataset-diff-engine

Detect row and field changes between Apify datasets or saved snapshots.

Zentra

Dataset Join & Merge (VLOOKUP for Datasets)

nerolabs/dataset-join-merge

Returns two Apify datasets, files or Google Sheets by URL, or JSON arrays joined on key fields like SQL or VLOOKUP: left, inner, right, full and anti joins plus union, with CSV/Excel export, named-dataset append and webhook delivery. Agent-ready: pay per event (x402, MCP), per output row.

Adam Pearce

Dataset Delta — Added, Removed & Changed Records

orangepinlabs/dataset-delta

Compare two Apify datasets or track one dataset between runs. Emit only added, removed, and changed records with exact changed fields.

Orange Pin Labs

Website Change Monitor — Diff, Screenshot & AI Summary

almoutasem_nabil/page-change-monitor

Watch pricing pages, product availability, terms, docs or any URL. Get only what changed since the last run — added/removed text, change %, screenshot — plus an optional AI summary of what the change means.

Al Moutasem Nabil

Dataset Cleaner & Exporter

nerolabs/dataset-cleaner-exporter

Returns a deduplicated, flattened and cleaned copy of any Apify dataset, file or Google Sheet by URL, or JSON array, plus CSV and Excel files, named-dataset append and webhook delivery. Inputs: source, dedup keys, flatten, cleaning options. Agent-ready: pay per event (x402, MCP), per cleaned record.

Adam Pearce

Website Change Monitor (text & JSON diff)

x402opklaar/website-change-monitor

Watch pages or JSON APIs on a schedule and get precise diffs — added/removed paragraphs or changed JSON paths — plus optional webhook alerts. Pay only per check and per detected change.

Opklaar

Sitemap Inventory & Diff - URL Extractor with Change Detection

gratifying_graph/sitemap-diff

Extract every URL from a site's sitemaps, then diff against the previous run: pages added, removed, or updated since last check. Built for SEO monitoring, RAG freshness, and competitor watching.

Jimmy A

Website Change Detector: Page Diff, Price & Content Alerts

fayoussef/website-change-monitor

Monitor any web page for changes and get a line-by-line diff of what was added and removed. Track competitor pricing, product listings, terms of service and job boards, with severity scoring, keyword watching and instant alerts to Slack, Discord, Telegram or any webhook.

youssef farhan

Website Change Monitor | Page Diff Alerts

taroyamada/url-change-watch-scraper

Monitor public web pages and receive source-linked added/removed text, change alerts, and portfolio diff reports. Unchanged checks emit no rows and no event charge.