Go to example tasks
Compare two CSV files and get the rows that changed
Give two versions of the same table (CSV, JSON or Excel links, or two Apify datasets) and get only the new, changed and removed rows, with the changed fields and their old values. Here: US Treasury exchange rates, mid-year vs year-end.
Dataset Diff: Compare Datasets, Get New & Changed Rowshumble-echidna/dataset-diff
Change
Country
Currency
Units per USD now
+2 fieldsTextNumberBooleanListObject
Input
Or: new data file URL (CSV, JSON, JSONL or Excel):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
Or: compare with file URL:https://api.fiscaldata.treasury.gov/services/api/fiscal_service/v1/accounting/od/rates_of_exchange?format=csv&filter=record_date:eq:2025-06-30&page[size]=300
Key fields (what identifies a row):country_currency_desc
Fields to compare:exchange_rate
Output fields
Change
Country
Currency
Units per USD now
Before
Rate date
Sign up on Apify01
Create your Apify account to access the Dataset Diff: Compare Datasets, Get New & Changed Rows.
Start the run02
The Actor will start running based on the input automatically.
Receive the output03
Monitor the progress in real-time. You will be notified as soon as your dataset is complete and ready for review.
Integrate into your workflow04
The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow.
