{ "x402Version": 2, "id": 35754, "slug": "35754", "resource": "https://market.561.group/v1/pre-sign/conformance", "description": "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.", "type": "http", "serviceName": "trashpanda-pre-sign-conformance", "resourceType": "Identity & Enrichment", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "30000", "amountUsd": 0.03, "maxTimeoutSeconds": 300 } ], "outputSchema": { "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" }, "extensions": { "bazaar": { "info": { "input": { "body": { "anchor": { "blockHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "blockNumber": "1", "chainId": 8453, "type": "ImmutableBaseBlockAnchor" }, "evidence": [], "policy": { "clauses": [ { "chainId": 8453, "id": "a-chain", "type": "ChainIdEquals" } ], "type": "BasePreSignPolicy", "version": 1 }, "receiptProfile": "full-v1", "transaction": { "chainId": 8453, "data": "0x", "gasLimit": "21000", "nonce": "0", "sender": "0x1111111111111111111111111111111111111111", "to": "0x2222222222222222222222222222222222222222", "type": "UnsignedBaseTransaction", "valueWei": "0" }, "type": "BasePreSignConformanceRequest", "version": 1 }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "anchorAssurance": "customer-declared-unverified", "block": { "hash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "number": "1" }, "chain": { "caip2": "eip155:8453", "chainId": 8453 }, "clauseResults": [ { "actual": 8453, "clauseId": "a-chain", "clauseType": "ChainIdEquals", "disposition": "PASS", "evidenceReferences": [], "expected": 8453 } ], "engine": { "id": "ni:///sha-256;Hb2S8iZrnwzh6Alj7lo0iYRXy25ByoNwbHi-gwatRhU", "version": 2 }, "evidenceAssurance": "customer-declared-unverified", "evidenceReferences": [], "forbiddenEffects": { "broadcast": false, "credentials": false, "custody": false, "signing": false, "stateMutation": false }, "id": "ni:///sha-256;NYqiNcrA_5bH1ysrXsy7hO0PzeX2NclTFkn85KCfvVk", "policyDigest": "ni:///sha-256;KZjmKuiZr5WC3oHkQcG3xQmP0ZqOt22H1dmYTBxaPG0", "replay": { "engineId": "ni:///sha-256;Hb2S8iZrnwzh6Alj7lo0iYRXy25ByoNwbHi-gwatRhU", "expectedReceiptProfile": "full-v1", "export": "evaluateBasePreSignPolicy", "module": "@red-cup-engineering/blockchain-trashpanda@0.1.0", "normalizedRequest": { "anchor": { "blockHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "blockNumber": "1", "chainId": 8453, "type": "ImmutableBaseBlockAnchor" }, "evidence": [], "policy": { "clauses": [ { "chainId": 8453, "id": "a-chain", "type": "ChainIdEquals" } ], "type": "BasePreSignPolicy", "version": 1 }, "receiptProfile": "full-v1", "transaction": { "chainId": 8453, "data": "0x", "gasLimit": "21000", "nonce": "0", "sender": "0x1111111111111111111111111111111111111111", "to": "0x2222222222222222222222222222222222222222", "type": "UnsignedBaseTransaction", "valueWei": "0" }, "type": "BasePreSignConformanceRequest", "version": 1 }, "operation": "evaluateBasePreSignPolicy", "runtime": "node>=22.18" }, "requestDigest": "ni:///sha-256;a11hNQXJ34rZfGk823_e-4h2EOO-PF6POfwyMceH22Y", "transactionDigest": "ni:///sha-256;Gv7Dsz1qLH7bADxe1632n4apGzl8x9EHNBrylpXi1UA", "type": "BasePreSignPolicyConformanceReceipt", "verdict": "PASS", "version": 1 }, "type": "json" } }, "routeTemplate": "/v1/pre-sign/conformance", "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "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": { "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" } }, "required": [ "input" ], "type": "object" } }, "sign-in-with-x": { "info": { "domain": "market.561.group", "expirationTime": "2026-10-03T02:23:16.691Z", "issuedAt": "2026-10-03T02:18:16.691Z", "nonce": "a52ff686b242bd7242d8008a7709e886", "resources": [ "https://market.561.group/v1/pre-sign/conformance" ], "statement": "Sign in to use what this wallet has been granted at market.561.group.", "uri": "https://market.561.group/v1/pre-sign/conformance", "version": "1" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "address": { "type": "string" }, "chainId": { "type": "string" }, "domain": { "type": "string" }, "expirationTime": { "type": "string" }, "issuedAt": { "type": "string" }, "nonce": { "type": "string" }, "notBefore": { "type": "string" }, "requestId": { "type": "string" }, "signature": { "type": "string" }, "statement": { "type": "string" }, "type": { "type": "string" }, "uri": { "type": "string" }, "version": { "type": "string" } }, "required": [ "domain", "address", "uri", "version", "chainId", "type", "nonce", "issuedAt", "signature" ], "type": "object" }, "supportedChains": [ { "chainId": "eip155:8453", "type": "eip191" } ] } }, "tags": [ "trashpanda-services", "base", "pre-sign", "transaction-policy", "deterministic", "bazaar", "sign-in-with-x" ], "sourceHost": "market.561.group", "lastUpdated": "2026-10-03T02:18:16.713Z", "quality": { "calls30d": 1, "uniquePayers30d": 1, "lastCalledAt": "2026-10-03T02:18:16.583Z" }, "metadata": { "serviceName": "trashpanda-pre-sign-conformance", "extensions": { "bazaar": { "info": { "input": { "body": { "anchor": { "blockHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "blockNumber": "1", "chainId": 8453, "type": "ImmutableBaseBlockAnchor" }, "evidence": [], "policy": { "clauses": [ { "chainId": 8453, "id": "a-chain", "type": "ChainIdEquals" } ], "type": "BasePreSignPolicy", "version": 1 }, "receiptProfile": "full-v1", "transaction": { "chainId": 8453, "data": "0x", "gasLimit": "21000", "nonce": "0", "sender": "0x1111111111111111111111111111111111111111", "to": "0x2222222222222222222222222222222222222222", "type": "UnsignedBaseTransaction", "valueWei": "0" }, "type": "BasePreSignConformanceRequest", "version": 1 }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "anchorAssurance": "customer-declared-unverified", "block": { "hash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "number": "1" }, "chain": { "caip2": "eip155:8453", "chainId": 8453 }, "clauseResults": [ { "actual": 8453, "clauseId": "a-chain", "clauseType": "ChainIdEquals", "disposition": "PASS", "evidenceReferences": [], "expected": 8453 } ], "engine": { "id": "ni:///sha-256;Hb2S8iZrnwzh6Alj7lo0iYRXy25ByoNwbHi-gwatRhU", "version": 2 }, "evidenceAssurance": "customer-declared-unverified", "evidenceReferences": [], "forbiddenEffects": { "broadcast": false, "credentials": false, "custody": false, "signing": false, "stateMutation": false }, "id": "ni:///sha-256;NYqiNcrA_5bH1ysrXsy7hO0PzeX2NclTFkn85KCfvVk", "policyDigest": "ni:///sha-256;KZjmKuiZr5WC3oHkQcG3xQmP0ZqOt22H1dmYTBxaPG0", "replay": { "engineId": "ni:///sha-256;Hb2S8iZrnwzh6Alj7lo0iYRXy25ByoNwbHi-gwatRhU", "expectedReceiptProfile": "full-v1", "export": "evaluateBasePreSignPolicy", "module": "@red-cup-engineering/blockchain-trashpanda@0.1.0", "normalizedRequest": { "anchor": { "blockHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "blockNumber": "1", "chainId": 8453, "type": "ImmutableBaseBlockAnchor" }, "evidence": [], "policy": { "clauses": [ { "chainId": 8453, "id": "a-chain", "type": "ChainIdEquals" } ], "type": "BasePreSignPolicy", "version": 1 }, "receiptProfile": "full-v1", "transaction": { "chainId": 8453, "data": "0x", "gasLimit": "21000", "nonce": "0", "sender": "0x1111111111111111111111111111111111111111", "to": "0x2222222222222222222222222222222222222222", "type": "UnsignedBaseTransaction", "valueWei": "0" }, "type": "BasePreSignConformanceRequest", "version": 1 }, "operation": "evaluateBasePreSignPolicy", "runtime": "node>=22.18" }, "requestDigest": "ni:///sha-256;a11hNQXJ34rZfGk823_e-4h2EOO-PF6POfwyMceH22Y", "transactionDigest": "ni:///sha-256;Gv7Dsz1qLH7bADxe1632n4apGzl8x9EHNBrylpXi1UA", "type": "BasePreSignPolicyConformanceReceipt", "verdict": "PASS", "version": 1 }, "type": "json" } }, "routeTemplate": "/v1/pre-sign/conformance", "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "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": { "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" } }, "required": [ "input" ], "type": "object" } }, "sign-in-with-x": { "info": { "domain": "market.561.group", "expirationTime": "2026-10-03T02:23:16.691Z", "issuedAt": "2026-10-03T02:18:16.691Z", "nonce": "a52ff686b242bd7242d8008a7709e886", "resources": [ "https://market.561.group/v1/pre-sign/conformance" ], "statement": "Sign in to use what this wallet has been granted at market.561.group.", "uri": "https://market.561.group/v1/pre-sign/conformance", "version": "1" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "address": { "type": "string" }, "chainId": { "type": "string" }, "domain": { "type": "string" }, "expirationTime": { "type": "string" }, "issuedAt": { "type": "string" }, "nonce": { "type": "string" }, "notBefore": { "type": "string" }, "requestId": { "type": "string" }, "signature": { "type": "string" }, "statement": { "type": "string" }, "type": { "type": "string" }, "uri": { "type": "string" }, "version": { "type": "string" } }, "required": [ "domain", "address", "uri", "version", "chainId", "type", "nonce", "issuedAt", "signature" ], "type": "object" }, "supportedChains": [ { "chainId": "eip155:8453", "type": "eip191" } ] } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "market.561.group", "manifest_name": "market.561.group", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": { "clauseResults": [ "value" ], "forbiddenEffects": {}, "id": "string", "type": null, "verdict": "PASS" }, "type": "string" } }