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Messari x402 Well-Known Resource URL Patterns
x402
Messari x402 Well-Known Resource URL Patterns is a free API for AI agents from api.messari.io, Free, status unknown (last checked 2026-09-15).
Returns a machine-readable list of x402-enabled resource URL patterns available on the Messari API
Price / callFree
Success—
StatusUnknown
How this service works
Machine-readable list of x402-enabled resource URL patterns
Output
A machine-readable document listing all x402-enabled URL patterns on the Messari API, including route templates for crypto data resources that can be accessed via x402 micropayment protocol.
Example use cases
Example prompt
“What x402-enabled API endpoints does Messari expose? I want to see the full list of resource URL patterns I can call with micropayments.”
Technical details
Endpoint
GEThttps://api.messari.io/.well-known/x402When to prefer
Use this endpoint when you need to programmatically discover which Messari API routes support the x402 payment protocol before constructing paid requests, or when building an agent that needs to enumerate available pay-per-call crypto data endpoints without prior knowledge of the route structure.
Side effects
- 404 if the well-known path is not available or has moved
- 503 if the Messari API is down
- Empty or minimal response if no x402 routes are currently published
- Malformed JSON if the discovery document format has changed
Tags
x402
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