FETCH402
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Resource / 237

healthy

Minifetch Technical SEO API.

GET https://minifetch.com/api/v1/x402/preflight/url-check ↗

Cheap preflight checks if a URL can be fetched by Minifetch's user agent before making requests to the other paid Minifetch endpoints. If your own site is blocked read the tutorial: https://minifetch.com/tutorials/unblock-minifetch

Eligibility
probeable
Failures
0
Last quote
2026-08-12 22:00:02 UTC
Last probe
2026-08-12 22:00:02 UTC
Payment requirements / accepts[] 2 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 1000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0xffA9155A0e4B3d8d42351Da226cC1feEe449686f
active solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp exact 1000 EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v 46vMcwuC4sK11sB3gkLhyA7J7GEwfkhn5rFyDtihBwqe

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-12 22:00:02 UTC GET · HTTP 402 · 115ms · accepts 2 · base 1 ok
Request
GET https://minifetch.com/api/v1/x402/preflight/url-check
Robots
allow
Note
http_402;accepts=2;base=1
Accepts fingerprint
bb64ca6a9020fbe9de52b11ca7506799584ff7690f25a70425562b98f316730f

Accepts snapshot

[
  {
    "amount": "1000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0xffA9155A0e4B3d8d42351Da226cC1feEe449686f",
    "paymentFlow": null,
    "raw": {
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0xffA9155A0e4B3d8d42351Da226cC1feEe449686f",
      "pay_to": "0xffA9155A0e4B3d8d42351Da226cC1feEe449686f",
      "scheme": "exact"
    },
    "scheme": "exact"
  },
  {
    "amount": "1000",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "assetTransferMethod": null,
    "extra": {
      "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
    },
    "maxTimeoutSeconds": 300,
    "network": "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp",
    "payTo": "46vMcwuC4sK11sB3gkLhyA7J7GEwfkhn5rFyDtihBwqe",
    "paymentFlow": null,
    "raw": {
      "amount": "1000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "46vMcwuC4sK11sB3gkLhyA7J7GEwfkhn5rFyDtihBwqe",
      "pay_to": "46vMcwuC4sK11sB3gkLhyA7J7GEwfkhn5rFyDtihBwqe",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0xffA9155A0e4B3d8d42351Da226cC1feEe449686f",
      "scheme": "exact"
    },
    {
      "amount": "1000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
      },
      "maxTimeoutSeconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "46vMcwuC4sK11sB3gkLhyA7J7GEwfkhn5rFyDtihBwqe",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "url": "https://github.com"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "results": [
              {
                "data": {
                  "allowed": true,
                  "crawlDelay": 1,
                  "message": "Access allowed by robots.txt",
                  "url": "https://github.com"
                }
              }
            ],
            "success": true
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "url": {
                    "description": "The URL to check against robots.txt",
                    "type": "string"
                  }
                },
                "required": [
                  "url"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "results": {
                    "description": "Array of check results showing whether URL access is allowed by robots.txt, with crawlDelay (seconds) and status message",
                    "type": "array"
                  },
                  "success": {
                    "type": "boolean"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "resource": {
    "description": "Cheap preflight checks if a URL can be fetched by Minifetch's user agent before making requests to the other paid Minifetch endpoints. If your own site is blocked read the tutorial: https://minifetch.com/tutorials/unblock-minifetch",
    "iconUrl": "https://minifetch.com/favicon-96x96.png",
    "mimeType": "application/json",
    "serviceName": "Minifetch Technical SEO API",
    "tags": [
      "seo",
      "robots-txt",
      "preflight",
      "crawlability",
      "indexability"
    ],
    "url": "https://minifetch.com/api/v1/x402/preflight/url-check"
  },
  "x402Version": 2
}

Response headers

{
  "connection": "keep-alive",
  "content-length": "2",
  "content-type": "application/json; charset=utf-8",
  "date": "Wed, 12 Aug 2026 22:00:02 GMT",
  "etag": "W/\"2-vyGp6PvFo4RvsFtPoIWeCReyIC8\"",
  "payment-required": "eyJ4NDAyVmVyc2lvbiI6MiwiZXJyb3IiOiJQYXltZW50IHJlcXVpcmVkIiwicmVzb3VyY2UiOnsidXJsIjoiaHR0cHM6Ly9taW5pZmV0Y2guY29tL2FwaS92MS94NDAyL3ByZWZsaWdodC91cmwtY2hlY2siLCJkZXNjcmlwdGlvbiI6IkNoZWFwIHByZWZsaWdodCBjaGVja3MgaWYgYSBVUkwgY2FuIGJlIGZldGNoZWQgYnkgTWluaWZldGNoJ3MgdXNlciBhZ2VudCBiZWZvcmUgbWFraW5nIHJlcXVlc3RzIHRvIHRoZSBvdGhlciBwYWlkIE1pbmlmZXRjaCBlbmRwb2ludHMuIElmIHlvdXIgb3duIHNpdGUgaXMgYmxvY2tlZCByZWFkIHRoZSB0dXRvcmlhbDogaHR0cHM6Ly9taW5pZmV0Y2guY29tL3R1dG9yaWFscy91bmJsb2NrLW1pbmlmZXRjaCIsIm1pbWVUeXBlIjoiYXBwbGljYXRpb24vanNvbiIsInNlcnZpY2VOYW1lIjoiTWluaWZldGNoIFRlY2huaWNhbCBTRU8gQVBJIiwidGFncyI6WyJzZW8iLCJyb2JvdHMtdHh0IiwicHJlZmxpZ2h0IiwiY3Jhd2xhYmlsaXR5IiwiaW5kZXhhYmlsaXR5Il0sImljb25VcmwiOiJodHRwczovL21pbmlmZXRjaC5jb20vZmF2aWNvbi05Nng5Ni5wbmcifSwiYWNjZXB0cyI6W3sic2NoZW1lIjoiZXhhY3QiLCJuZXR3b3JrIjoiZWlwMTU1Ojg0NTMiLCJhbW91bnQiOiIxMDAwIiwiYXNzZXQiOiIweDgzMzU4OWZDRDZlRGI2RTA4ZjRjN0MzMkQ0ZjcxYjU0YmRBMDI5MTMiLCJwYXlUbyI6IjB4ZmZBOTE1NUEwZTRCM2Q4ZDQyMzUxRGEyMjZjQzFmZUVlNDQ5Njg2ZiIsIm1heFRpbWVvdXRTZWNvbmRzIjozMDAsImV4dHJhIjp7Im5hbWUiOiJVU0QgQ29pbiIsInZlcnNpb24iOiIyIn19LHsic2NoZW1lIjoiZXhhY3QiLCJuZXR3b3JrIjoic29sYW5hOjVleWt0NFVzRnY4UDhOSmRUUkVwWTF2enFLcVpLdmRwIiwiYW1vdW50IjoiMTAwMCIsImFzc2V0IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJwYXlUbyI6IjQ2dk1jd3VDNHNLMTFzQjNna0xoeUE3SjdHRXdma2huNXJGeUR0aWhCd3FlIiwibWF4VGltZW91dFNlY29uZHMiOjMwMCwiZXh0cmEiOnsiZmVlUGF5ZXIiOiJENlpodE5RNW5UOVpuVEhVYnFYWnNUeDVNSDJyUEZpQkJnZ1g0aFkxV2VQTSJ9fV0sImV4dGVuc2lvbnMiOnsiYmF6YWFyIjp7ImluZm8iOnsiaW5wdXQiOnsidHlwZSI6Imh0dHAiLCJxdWVyeVBhcmFtcyI6eyJ1cmwiOiJodHRwczovL2dpdGh1Yi5jb20ifSwibWV0aG9kIjoiR0VUIn0sIm91dHB1dCI6eyJ0eXBlIjoianNvbiIsImV4YW1wbGUiOnsic3VjY2VzcyI6dHJ1ZSwicmVzdWx0cyI6W3siZGF0YSI6eyJ1cmwiOiJodHRwczovL2dpdGh1Yi5jb20iLCJhbGxvd2VkIjp0cnVlLCJjcmF3bERlbGF5IjoxLCJtZXNzYWdlIjoiQWNjZXNzIGFsbG93ZWQgYnkgcm9ib3RzLnR4dCJ9fV19fX0sInNjaGVtYSI6eyIkc2NoZW1hIjoiaHR0cHM6Ly9qc29uLXNjaGVtYS5vcmcvZHJhZnQvMjAyMC0xMi9zY2hlbWEiLCJ0eXBlIjoib2JqZWN0IiwicHJvcGVydGllcyI6eyJpbnB1dCI6eyJ0eXBlIjoib2JqZWN0IiwicHJvcGVydGllcyI6eyJ0eXBlIjp7InR5cGUiOiJzdHJpbmciLCJjb25zdCI6Imh0dHAifSwibWV0aG9kIjp7InR5cGUiOiJzdHJpbmciLCJlbnVtIjpbIkdFVCJdfSwicXVlcnlQYXJhbXMiOnsidHlwZSI6Im9iamVjdCIsInByb3BlcnRpZXMiOnsidXJsIjp7InR5cGUiOiJzdHJpbmciLCJkZXNjcmlwdGlvbiI6IlRoZSBVUkwgdG8gY2hlY2sgYWdhaW5zdCByb2JvdHMudHh0In19LCJyZXF1aXJlZCI6WyJ1cmwiXX19LCJyZXF1aXJlZCI6WyJ0eXBlIiwibWV0aG9kIl0sImFkZGl0aW9uYWxQcm9wZXJ0aWVzIjpmYWxzZX0sIm91dHB1dCI6eyJ0eXBlIjoib2JqZWN0IiwicHJvcGVydGllcyI6eyJ0eXBlIjp7InR5cGUiOiJzdHJpbmcifSwiZXhhbXBsZSI6eyJ0eXBlIjoib2JqZWN0IiwicHJvcGVydGllcyI6eyJzdWNjZXNzIjp7InR5cGUiOiJib29sZWFuIn0sInJlc3VsdHMiOnsidHlwZSI6ImFycmF5IiwiZGVzY3JpcHRpb24iOiJBcnJheSBvZiBjaGVjayByZXN1bHRzIHNob3dpbmcgd2hldGhlciBVUkwgYWNjZXNzIGlzIGFsbG93ZWQgYnkgcm9ib3RzLnR4dCwgd2l0aCBjcmF3bERlbGF5IChzZWNvbmRzKSBhbmQgc3RhdHVzIG1lc3NhZ2UifX19fSwicmVxdWlyZWQiOlsidHlwZSJdfX0sInJlcXVpcmVkIjpbImlucHV0Il19fX19",
  "server": "nginx/1.28.0 (Ubuntu)",
  "x-clerk-auth-reason": "session-token-and-uat-missing",
  "x-clerk-auth-status": "signed-out",
  "x-content-type-options": "nosniff",
  "x-frame-options": "DENY",
  "x-xss-protection": "0"
}

Response body 

{}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{
  "method": "GET",
  "queryParams": {
    "url": "https://github.com"
  },
  "type": "http"
}
OutputJSON
{
  "example": {
    "results": [
      {
        "data": {
          "allowed": true,
          "crawlDelay": 1,
          "message": "Access allowed by robots.txt",
          "url": "https://github.com"
        }
      }
    ],
    "success": true
  },
  "type": "json"
}