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Feed Discovery via URL
x402
Feed Discovery via URL is a paid API for AI agents from cr4vvol.vercel.app, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Discovers and extracts RSS/Atom/podcast feed URLs from a given web page URL
Price / call$0.02
Success—
StatusUnknown
How this service works
Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.
Output
Returns a JSON object with a success boolean and a data object containing discovered feed URLs and associated metadata found at the given web page.
Example use cases
Monitor tech news site feeds
“Can you check what RSS feeds are available on TechCrunch's website? I want to subscribe to their feeds so I can stay updated on their latest coverage.”
Discover podcast feed subscriptions
“I found this podcast website but I'm not sure what feeds they offer. Can you extract all their podcast RSS URLs so I know what I can subscribe to?”
Find blog syndication feeds
“I want to keep up with this blog's content. Can you go to their website and find all their RSS and Atom feeds so I can add them to my feed reader?”
Technical details
Endpoint
POSThttps://cr4vvol.vercel.app/api/feedWhen to prefer
Use this endpoint when you need to programmatically discover RSS, Atom, or podcast feed URLs from any given webpage without setting up authentication or subscriptions — ideal for agents needing pay-per-use web feed discovery billed in USDC via x402.
Side effects
- URL is unreachable or returns non-200 status — success:false with error detail
- URL has no detectable feeds — success:true but data contains empty feed list
- Malformed or missing URL input — 400 validation error
- Payment not completed or insufficient USDC — 402 Payment Required
- Target site blocks scraping — may return empty or partial results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| urlrequired | string | URL to find feeds on |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| success | boolean |
Tags
x402
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