{
  "x402Version": 2,
  "id": 33235,
  "slug": "33235",
  "resource": "https://horizonpulse.dev/api/x402-check",
  "description": "x402 developer tool. Use before paying an unknown x402 endpoint, or to debug your own. GET with required url (optional method GET/POST, body JSON for POST probes). Sends one unpaid request and never pays. Returns JSON: httpStatus, isX402, x402Version, decoded accepts (network, asset label, amount in USD, payTo and whether payTo is an EOA or contract), discovery metadata presence, and pass/warn/fail checks with a summary. Private targets are blocked. Errors are not charged.",
  "type": "http",
  "serviceName": "Horizon Pulse",
  "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790623595/bazaar-icons/2ff6a4fc61cbe047.png",
  "resourceType": "Beauty & Personal Care",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x5b32c973596078a967562ca652761404f19be0e9",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "BjY98A6dS3GGLZdz2zHy8wK7XAwnQgNhCc66mfmBTRPz",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "description": "Horizon Pulse x402 endpoint audit report. The example is a trimmed real response recorded from GET /api/demo/x402-check at 2026-10-01T14:36Z UTC; live values differ on every call.",
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "method": "GET",
            "url": "https://horizonpulse.dev/api/pulse"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "accepts": [
              {
                "amountUsd": "$0.005",
                "assetLabel": "USDC (Base)",
                "network": "eip155:8453",
                "payTo": "0x5b32c973596078a967562ca652761404f19be0e9",
                "payToType": "eoa"
              }
            ],
            "challengeSource": "header",
            "checks": [
              {
                "id": "status_402",
                "level": "pass"
              },
              {
                "id": "challenge",
                "level": "pass"
              },
              {
                "id": "version",
                "level": "pass"
              },
              {
                "id": "payto_type",
                "level": "info"
              },
              {
                "id": "discovery",
                "level": "pass"
              }
            ],
            "discovery": {
              "hasInputSchema": true,
              "hasOutputExample": true,
              "method": "GET",
              "present": true
            },
            "elapsedMs": 201,
            "httpStatus": 402,
            "isX402": true,
            "method": "GET",
            "ok": true,
            "summary": {
              "fail": 0,
              "pass": 4,
              "warn": 0
            },
            "target": "https://horizonpulse.dev/api/pulse",
            "x402Version": 2
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "body": {
                    "description": "Optional JSON body (<=8KB, URL-encoded) sent with a POST probe, for endpoints that validate input before returning 402. Implies POST.",
                    "type": "string"
                  },
                  "method": {
                    "description": "HTTP method for the unpaid probe: GET (default; one POST retry on 405) or POST.",
                    "type": "string"
                  },
                  "url": {
                    "description": "Absolute http(s) URL of the x402 endpoint to audit (required). Private/localhost blocked.",
                    "type": "string"
                  }
                },
                "required": [
                  "url"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "description": "Horizon Pulse x402 endpoint audit report. The example is a trimmed real response recorded from GET /api/demo/x402-check at 2026-10-01T14:36Z UTC; live values differ on every call.",
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "developer-tools",
    "x402",
    "audit",
    "payment-check",
    "discovery",
    "bazaar"
  ],
  "sourceHost": "horizonpulse.dev",
  "lastUpdated": "2026-10-09T15:20:30.013Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-09T15:20:29.862Z"
  },
  "metadata": {
    "serviceName": "Horizon Pulse",
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790623595/bazaar-icons/2ff6a4fc61cbe047.png",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "method": "GET",
              "url": "https://horizonpulse.dev/api/pulse"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "accepts": [
                {
                  "amountUsd": "$0.005",
                  "assetLabel": "USDC (Base)",
                  "network": "eip155:8453",
                  "payTo": "0x5b32c973596078a967562ca652761404f19be0e9",
                  "payToType": "eoa"
                }
              ],
              "challengeSource": "header",
              "checks": [
                {
                  "id": "status_402",
                  "level": "pass"
                },
                {
                  "id": "challenge",
                  "level": "pass"
                },
                {
                  "id": "version",
                  "level": "pass"
                },
                {
                  "id": "payto_type",
                  "level": "info"
                },
                {
                  "id": "discovery",
                  "level": "pass"
                }
              ],
              "discovery": {
                "hasInputSchema": true,
                "hasOutputExample": true,
                "method": "GET",
                "present": true
              },
              "elapsedMs": 201,
              "httpStatus": 402,
              "isX402": true,
              "method": "GET",
              "ok": true,
              "summary": {
                "fail": 0,
                "pass": 4,
                "warn": 0
              },
              "target": "https://horizonpulse.dev/api/pulse",
              "x402Version": 2
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "body": {
                      "description": "Optional JSON body (<=8KB, URL-encoded) sent with a POST probe, for endpoints that validate input before returning 402. Implies POST.",
                      "type": "string"
                    },
                    "method": {
                      "description": "HTTP method for the unpaid probe: GET (default; one POST retry on 405) or POST.",
                      "type": "string"
                    },
                    "url": {
                      "description": "Absolute http(s) URL of the x402 endpoint to audit (required). Private/localhost blocked.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Horizon Pulse x402 endpoint audit report. The example is a trimmed real response recorded from GET /api/demo/x402-check at 2026-10-01T14:36Z UTC; live values differ on every call.",
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "horizonpulse.dev",
    "manifest_name": "horizonpulse.dev",
    "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": {},
    "type": "string"
  }
}