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Dataset Diff: Compare Datasets, Get New & Changed Rows

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Compare two Apify datasets or CSV, JSON or Excel files, or each run of a scraper with its last run: get only the new, changed and removed rows, with which fields changed and their old values. Chain it after any actor to monitor prices, stock, listings or jobs. Pay per change.

Pricing

from $0.70 / 1,000 changes

Rating

0.0

(0)

Developer

Michael Costa

Actor stats

Bookmarked

Total users

Monthly active users

15 hours ago

Last modified

Categories

Developer tools

Automation

Integrations

You can access the Dataset Diff: Compare Datasets, Get New & Changed Rows 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    "fileUrl": "https://api.fiscaldata.treasury.gov/services/api/fiscal_service/v1/accounting/od/rates_of_exchange?format=csv&filter=record_date:eq:2025-12-31&page[size]=300",
10    "previousFileUrl": "https://api.fiscaldata.treasury.gov/services/api/fiscal_service/v1/accounting/od/rates_of_exchange?format=csv&filter=record_date:eq:2025-09-30&page[size]=300",
11    "keyFields": ["country_currency_desc"],
12    "compareFields": ["exchange_rate"],
13}
14
15# Run the Actor and wait for it to finish
16run = client.actor("humble-echidna/dataset-diff").call(run_input=run_input)
17
18# Fetch and print Actor results from the run's dataset (if there are any)
19print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
20for item in client.dataset(run.default_dataset_id).iterate_items():
21    print(item)
22
23# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Dataset Diff: Compare Datasets & Find Changes API in Python

The Apify API client for Python is the official library that allows you to use Dataset Diff: Compare Datasets, Get New & Changed Rows 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: Compare Datasets, Get New & Changed Rows API in JavaScript

Dataset Diff: Compare Datasets, Get New & Changed Rows API through CLI

Dataset Diff: Compare Datasets, Get New & Changed Rows OpenAPI definition

Dataset Diff: Compare Datasets, Get New & Changed Rows API

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