Api Endpoint

trashpanda-pre-sign-conformance

Deterministically evaluates one unsigned Base transaction against the buyer's exact policy and immutable block anchor before signing, returning a replayable clause-by-clause PASS, FAIL, or ESCALATE receipt. No keys, signatures, custody, signing, or broadcast authority are accepted.

Open interactive test console

Offering

Provider: market.561.group
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Blockchain And Crypto
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://market.561.group/v1/pre-sign/conformance
MIME type: Not provided
First seen: 2026-10-16T01:50:38.788Z
Last seen: 2026-11-01T15:10:57.122Z
Tags: trashpanda-services, Base, pre-sign, transaction-policy, deterministic

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.03 USDC
Atomic price: 30000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "30000",
    "payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a"
  }
]

Observed health

Status: Healthy
Latest latency: 2541 ms
Average latency: 1623 ms
HTTP status: 204
Last checked: 2026-11-01T19:06:06.824Z
Reachability: 100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "anchor": {
          "description": "One immutable Base block number and hash.",
          "type": "object"
        },
        "evidence": {
          "description": "Deterministic evidence objects cited by policy clauses.",
          "type": "array"
        },
        "policy": {
          "description": "The exact deterministic policy clauses to evaluate.",
          "type": "object"
        },
        "receiptProfile": {
          "const": "full-v1"
        },
        "transaction": {
          "description": "One unsigned Base transaction; credentials, signatures, signed transactions, custody, signing, and broadcast grants are refused.",
          "type": "object"
        },
        "type": {
          "const": "BasePreSignConformanceRequest"
        },
        "version": {
          "const": 1
        }
      },
      "required": [
        "type",
        "version",
        "transaction",
        "policy",
        "anchor",
        "evidence",
        "receiptProfile"
      ]
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "properties": {
    "example": {
      "properties": {
        "clauseResults": {
          "type": "array"
        },
        "forbiddenEffects": {
          "type": "object"
        },
        "id": {
          "type": "string"
        },
        "type": {
          "const": "BasePreSignPolicyConformanceReceipt"
        },
        "verdict": {
          "enum": [
            "PASS",
            "FAIL",
            "ESCALATE"
          ]
        }
      },
      "required": [
        "id",
        "type",
        "requestDigest",
        "transactionDigest",
        "policyDigest",
        "chain",
        "block",
        "anchorAssurance",
        "engine",
        "clauseResults",
        "verdict",
        "evidenceReferences",
        "evidenceAssurance",
        "replay",
        "forbiddenEffects"
      ],
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}