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Fingers – x402 Trust Index
x402
Fingers – x402 Trust Index is a paid API for AI agents from fingersai.co, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).
Returns a trust and legitimacy report for an x402 resource URL or payment address, ranked by real payment volume rather than hype.
Price / call$0.1
Success—
StatusUnknown
How this service works
The honest trust index for x402. See who's real before your agent pays, ranked by how many real people actually pay them, not hype. Free, no key.
Output
A JSON trust report for the queried x402 resource URL or 0x payTo address, including trust index rank, real payer count, and payment volume signals indicating how many genuine users have transacted with this endpoint.
Example use cases
Pre-payment due diligence for agent
“My agent is about to pay an x402 endpoint at https://api.example.com/results — can you check Fingers to see how many real people have paid it and whether it's trustworthy?”
Verify unknown payTo address
“I got a payTo address 0xAbC123... in an x402 response I've never seen before — look it up on Fingers and tell me if it's legitimate or suspicious.”
Compare trust of x402 providers
“I'm evaluating two x402 services before wiring up automation — pull the Fingers trust report for https://api.serviceA.com/search so I can see how it ranks by actual payment volume.”
Technical details
Endpoint
GEThttps://fingersai.co/x402/reportWhen to prefer
Use Fingers when an AI agent encounters an unfamiliar x402 payment endpoint and needs to assess legitimacy before committing funds. It is the only x402-native trust index ranked by real payment volume, making it superior to general reputation lookup or WHOIS-style checks when the subject is an x402 resource or payTo address specifically.
Side effects
- Unknown target URL or address — endpoint not yet indexed, returns empty or not-found response
- Invalid input format — non-URL string or malformed 0x address triggers validation error
- Newly deployed x402 endpoints may have no payment history and return a zero/null trust score
- Service unavailability may return a non-200 response with no structured body
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| targetrequired | string | x402 resource URL or 0x payTo address |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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