The long tail
When a question needs data from a site the named platforms do not cover, an agent can search the sources and fetch from the one that fits.
Explore data API · Run
Get data from other public sites, beyond the platforms with their own endpoints. Find a source with the free sources call, read its inputs with the free schema call, then run it for up to a hundred rows, billed per row it returns.
Updated 21 October 2026
When a question needs data from a site the named platforms do not cover, an agent can search the sources and fetch from the one that fits.
The schema call gives a source's live inputs, a sample input and a money estimate before anything is spent.
Explore runs on the same key, wallet and response envelope as every other endpoint.
curl -X POST https://apiforagents.dev/v1/explore \
-H "Authorization: Bearer $AFA_KEY" \
-H "Content-Type: application/json" \
-d '{"op":"run","source":"<source name from sources>","input":{},"limit":10,"estimateOnly":true}'curl -X POST https://apiforagents.dev/v1/explore \
-H "Authorization: Bearer $AFA_KEY" \
-H "Content-Type: application/json" \
-d '{"op":"run","source":"<source name from sources>","input":{},"limit":10}'Everything you can send in one run call. Required inputs first.
| Input | Type | What it does |
|---|---|---|
| source * | string | The source's name exactly as sources listed it. ≤120 chars |
| input | string | The source's own input, shaped by schema. |
| limit | integer | Rows wanted. Every row costs real money, so name the count the question needs; the hard ceiling is 100. 1-100 |
Pay as you go, in US dollars, per record. No subscription, nothing expires, $5 first top-up, and every new agent starts with $0.10 free.
| Request | Records | At the list price |
|---|---|---|
| Any request | quoted free before the call |
These are per-record list prices. Some calls also carry a minimum, such as a page of search results, so a small request can cost more than the table shows. The quote ("estimateOnly": true) is free, gives the most your exact request can cost, and the charge then settles to what came back. Records that do not come back are refunded.
The source's own rows, raw and unmapped: not fitted to a schema and not kept as measured data. Treat them as evidence to read and cite. For a named platform, its own endpoint answers with checked fields.
source, the source's name exactly as the sources call listed it; input, the source's own fields shaped as the schema call described them; and limit, the rows you want, up to a hundred.
Call sources with a plain-words query that names the site or the data you need, for example "quick commerce categories". It returns the best matches, what each returns and its price per row. Both sources and schema are free.
Each source has its own rate per row, printed by the sources call. A run is billed per row the source actually returns, and a run that finds nothing is free. Quote first with "estimateOnly": true, which is free and is the most the call can cost.
The playground runs any endpoint by hand: pick a platform and what you want from it, fill a short form named in plain words (or press Use sample input), see the free quote on the Run button, run it, then read the answer as a table or JSON and download it as CSV or JSON. The same call is written out as cURL, Python and Node while you type.
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