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Skim Custom Dataset Builder
x402
Skim Custom Dataset Builder is a paid API for AI agents from skim402.com, paid per call via x402, $0.35/call, status unknown (last checked 2026-09-13).
Builds a custom structured dataset of up to 100 rows from seed URLs, with user-defined columns and per-row source citations, returned asynchronously via a job URL.
Price / call$0.35
Success—
StatusUnknown
How this service works
Skim: custom dataset builder — describe the dataset you want in plain language, name the columns, supply 1-10 seed URLs (listing or item pages). One paid call builds up to 100 rows asynchronously with a per-row source citation; poll the returned job URL for free until the build completes.
Output
A job URL you can poll for free until the dataset build completes. Once done, returns a structured array of up to 100 rows, each containing the user-defined column values plus an automatic sourceUrl citation field indicating which page each row was scraped from.
Example use cases
Example prompt
“Build me a dataset of AI SaaS tools — columns for 'name' (string), 'pricing' (string), 'main use case' (string), and 'founding year' (number) — using these 3 seed URLs: https://aisuperhero.com, https://theresanaiforthat.com, https://futuretools.io; give me up to 80 rows.”
Technical details
Endpoint
POSThttps://skim402.com/api/v2/datasetWhen to prefer
Use this endpoint when you need a multi-row structured dataset extracted from one or more web pages, with custom-defined columns and automatic source citations. Prefer it over single-URL extractors when you need bulk row extraction across listing or index pages, or when you want the results as a table rather than raw markdown. Best for research compilation, competitive analysis, product cataloging, or any task requiring structured, citable rows from web content.
Side effects
- Seed URLs are inaccessible or return errors — job may complete with fewer rows than requested
- Prompt describes data not present on the supplied pages — rows returned may be sparse or empty
- Row limit exceeded input cap (max 100) — request rejected with validation error
- More than 10 seed URLs supplied — request rejected
- More than 12 fields defined — request rejected
- Payment not processed correctly — 402 response, dataset not built
- Job URL polling returns pending indefinitely if source pages are slow or complex
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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