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ClawFetch Extractor Discovery
x402
ClawFetch Extractor Discovery is a paid API for AI agents from api.clawfetch.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-29).
Lists all 17 available structured-data extractors and the domains each supports, enabling agents to check compatibility before calling the paid /extract endpoint.
Price / call$0.001
Success—
StatusUnknown
How this service works
Discovery endpoint listing all 17 available structured-data extractors and the domains each one supports, so an agent can decide whether /extract can handle a given URL before paying for it.
Output
Returns a structured list of all 17 available extractors, each with its name and the set of domains or site types it supports. Agents can use this to determine whether a given URL will be handled by a specialized extractor before making a paid /extract call.
Example use cases
Pre-flight extractor compatibility check
“I want to extract structured data from a LinkedIn profile URL — can you check whether ClawFetch has a specialized extractor that supports LinkedIn before we spend money on the call?”
Building a supported-sites reference table
“Can you fetch the full list of all 17 ClawFetch extractors and their supported domains so I can build a reference table showing which sites my data pipeline can handle?”
Routing agent decisions at runtime
“My agent is about to call ClawFetch to extract data from a Reddit thread — first check the extractors list to confirm Reddit is a supported domain before making the paid extraction request.”
Technical details
Endpoint
GEThttps://api.clawfetch.ai/extractors?utm_source=zero.xyzWhen to prefer
Use this endpoint before calling /extract to avoid wasting the extraction fee on an unsupported domain. It is the cheapest call in the ClawFetch suite ($0.001 USDC) and should always be used as a routing check when the target URL's compatibility is uncertain. Prefer this over guessing or hardcoding a domain list.
Side effects
- Network or service unavailability returning 5xx errors
- Payment failure if x402 micropayment of $0.001 USDC is not processed correctly
- Empty or malformed response if extractor registry is temporarily inconsistent
- Rate limiting if called too frequently
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"extractors": [
{
"name": "Twitter",
"domains": [
"twitter.com"
]
}
]
}
}Tags
x402
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