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x402-trust

Given an x402 endpoint URL, returns a deterministic 0-100 trust score and A-F grade from uptime, spec compliance, latency and on-chain settlement.

Categories: Agent trust safety

Use when

  • check whether an x402 endpoint is actually being paid before using it
  • get a trust grade for a payment endpoint not yet in a catalog

Not for

  • not proof of delivery-after-payment — reliability signals only

Inputs

POST JSON body: { resource: string } (required) — the x402 endpoint URL to score

Admitted input schema

{
  "type": "object",
  "properties": {
    "resource": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    }
  },
  "required": [
    "resource"
  ],
  "additionalProperties": false
}

Endpoint

Method
POST
URL
https://x402-trust.com/v1/x402-trust

Payment

Protocol
x402
Listed price
0.005 USDC per call on Base
Payment method
exact
Network
eip155:8453
Asset
0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Record
POST https://x402-trust.com/v1/x402-trust
Retrieved
2026-09-30T20:37:07.382Z
Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built
2026-09-30T22:31:58.034Z