{
  "x402Version": 2,
  "id": 1650,
  "slug": "1650",
  "resource": "https://agent402.tools/api/action-gate",
  "description": "Deterministic preflight check for a proposed AI agent action - a tool call, payment, fetch, or write - before it executes. Evaluates up to four independent checks (prompt-injection scan on action text/untrusted text, URL/hostname validation, a bounded JSON-schema check on a payload, and a spend proposal against a spend mandate) and returns ALLOW, REVIEW, or BLOCK with stable reason codes plus a SHA-256 request/receipt hash pair.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:143",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:43114",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:1329",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:10",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
      "amount": "11000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:4663",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42220",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "upto",
      "network": "eip155:8453",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "stellar:pubnet",
      "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
      "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
      "amount": "100000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
      "payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
      "asset": "31566704",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "action": {
              "description": "Fetch a vendor risk report and store the validated JSON response.",
              "effect": "payment",
              "name": "submit_paid_api_request"
            },
            "payload": {
              "account_id": "acct_123",
              "include_signals": true
            },
            "schema": {
              "additionalProperties": false,
              "properties": {
                "account_id": {
                  "type": "string"
                },
                "include_signals": {
                  "type": "boolean"
                }
              },
              "required": [
                "account_id",
                "include_signals"
              ],
              "type": "object"
            },
            "spend": {
              "mandate": {
                "allowed_assets": [
                  "USDC"
                ],
                "allowed_counterparties": [
                  "0x1111111111111111111111111111111111111111"
                ],
                "expires_at": "2030-01-01T00:00:00.000Z",
                "max_per_tx_atomic": "25000",
                "max_period_atomic": "100000",
                "spent_period_atomic": "20000"
              },
              "proposal": {
                "amount_atomic": "10000",
                "asset": "USDC",
                "counterparty": "0x1111111111111111111111111111111111111111"
              }
            },
            "untrusted_text": "Vendor request: return the current account risk score.",
            "url": "https://example.com/risk-report"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "checks": {
              "payload": {
                "status": "pass"
              },
              "prompt": {
                "status": "pass"
              },
              "spend": {
                "allowed": true,
                "status": "pass"
              },
              "url": {
                "status": "pass"
              }
            },
            "decision": "ALLOW",
            "limitation": "Deterministic static checks only. ALLOW does not guarantee safety, authorization, or successful execution.",
            "reason_codes": [],
            "receipt_sha256": "…",
            "request_sha256": "…"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "action": {
                    "description": "{name, description, effect} - describes the proposed action; description is scanned for prompt-injection signals",
                    "type": "object"
                  },
                  "payload": {
                    "description": "Data the action would send, if any",
                    "type": "object"
                  },
                  "schema": {
                    "description": "Bounded JSON-schema (type/required/properties/additionalProperties) to validate payload against",
                    "type": "object"
                  },
                  "spend": {
                    "description": "{proposal:{amount_atomic,asset,counterparty}, mandate:{...}, now?} - checked with BigInt, no floats",
                    "type": "object"
                  },
                  "untrusted_text": {
                    "description": "Any additional untrusted text to scan for prompt-injection signals",
                    "type": "string"
                  },
                  "url": {
                    "description": "URL the action would fetch/call, if any",
                    "type": "string"
                  }
                },
                "required": []
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "checks": {
                    "properties": {
                      "payload": {
                        "type": "object"
                      },
                      "prompt": {
                        "type": "object"
                      },
                      "spend": {
                        "type": "object"
                      },
                      "url": {
                        "type": "object"
                      }
                    },
                    "type": "object"
                  },
                  "decision": {
                    "type": "string"
                  },
                  "limitation": {
                    "type": "string"
                  },
                  "reason_codes": {
                    "type": "array"
                  },
                  "receipt_sha256": {
                    "type": "string"
                  },
                  "request_sha256": {
                    "type": "string"
                  }
                },
                "required": [
                  "decision",
                  "reason_codes",
                  "checks",
                  "request_sha256",
                  "receipt_sha256",
                  "limitation"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "builder-code": {
      "info": {
        "a": "bc_b4aw4uzd"
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "a": {
            "description": "App builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "s": {
            "description": "Service builder codes",
            "items": {
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "maxItems": 11,
            "type": "array"
          },
          "w": {
            "description": "Wallet builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          }
        },
        "type": "object"
      }
    },
    "payment-identifier": {
      "info": {
        "required": false
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 128,
            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "type": "string"
          },
          "required": {
            "type": "boolean"
          }
        },
        "required": [
          "required"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar",
    "builder-code",
    "payment-identifier"
  ],
  "sourceHost": "agent402.tools",
  "lastUpdated": "2026-09-14T18:44:00.387Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-14T18:44:00.13Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "agent402.tools",
    "manifest_name": "agent402.tools",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}