Api Endpoint

Web Evidence

Retrieve deterministic evidence from a public HTTPS page

Open interactive test console

Offering

Provider
evidence.api.williamrobinson.dev
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Web Search Research
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://evidence.api.williamrobinson.dev/v1/web/evidence
MIME type
application/json
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
Web, Evidence, markdown, Accessibility

Payment pricing

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

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x26026370fe8b2bb17af9092a17691c76519366da"
  }
]

Observed health

Status
Reachable
Latest latency
88 ms
Average latency
158 ms
HTTP status
405
Last checked
Reachability
100% over 14 checks

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

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "type": "object",
      "additionalProperties": false,
      "required": [
        "url"
      ],
      "properties": {
        "url": {
          "type": "string",
          "format": "uri",
          "maxLength": 2048
        },
        "maxChars": {
          "type": "integer",
          "minimum": 1,
          "maximum": 30000,
          "default": 30000
        },
        "includeLinks": {
          "type": "boolean",
          "default": false
        },
        "includeAccessibilityTree": {
          "type": "boolean",
          "default": false
        }
      }
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "includeAccessibilityTree": {
              "default": false,
              "type": "boolean"
            },
            "includeLinks": {
              "default": false,
              "type": "boolean"
            },
            "maxChars": {
              "default": 30000,
              "maximum": 30000,
              "minimum": 1,
              "type": "integer"
            },
            "url": {
              "format": "uri",
              "maxLength": 2048,
              "type": "string"
            }
          },
          "required": [
            "url"
          ],
          "type": "object"
        },
        "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": {
          "$defs": {
            "accessibilityNode": {
              "additionalProperties": false,
              "properties": {
                "children": {
                  "items": {
                    "$ref": "#/properties/output/properties/example/$defs/accessibilityNode"
                  },
                  "type": "array"
                },
                "description": {
                  "type": "string"
                },
                "level": {
                  "type": "integer"
                },
                "name": {
                  "type": "string"
                },
                "role": {
                  "type": "string"
                },
                "states": {
                  "items": {
                    "type": "string"
                  },
                  "type": "array"
                },
                "value": {
                  "type": "string"
                }
              },
              "required": [
                "role"
              ],
              "type": "object"
            }
          },
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "integrity": {
              "additionalProperties": false,
              "properties": {
                "extractionVersion": {
                  "type": "string"
                },
                "sha256": {
                  "pattern": "^[a-f0-9]{64}$",
                  "type": "string"
                }
              },
              "required": [
                "sha256",
                "extractionVersion"
              ],
              "type": "object"
            },
            "page": {
              "additionalProperties": false,
              "properties": {
                "accessibilityTree": {
                  "anyOf": [
                    {
                      "$ref": "#/properties/output/properties/example/$defs/accessibilityNode"
                    },
                    {
                      "type": "null"
                    }
                  ]
                },
                "canonical": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "language": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "links": {
                  "items": {
                    "additionalProperties": false,
                    "properties": {
                      "text": {
                        "type": "string"
                      },
                      "url": {
                        "format": "uri",
                        "type": "string"
                      }
                    },
                    "required": [
                      "url",
                      "text"
                    ],
                    "type": "object"
                  },
                  "maxItems": 1000,
                  "type": "array"
                },
                "markdown": {
                  "maxLength": 30000,
                  "type": "string"
                },
                "title": {
                  "type": [
                    "string",
                    "null"
                  ]
                }
              },
              "required": [
                "title",
                "canonical",
                "language",
                "markdown"
              ],
              "type": "object"
            },
            "source": {
              "additionalProperties": false,
              "properties": {
                "finalUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "requestedUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "retrievedAt": {
                  "format": "date-time",
                  "type": "string"
                },
                "status": {
                  "maximum": 599,
                  "minimum": 100,
                  "type": "integer"
                }
              },
              "required": [
                "requestedUrl",
                "finalUrl",
                "status",
                "retrievedAt"
              ],
              "type": "object"
            },
            "timings": {
              "additionalProperties": false,
              "properties": {
                "extractMs": {
                  "minimum": 0,
                  "type": "integer"
                },
                "loadMs": {
                  "minimum": 0,
                  "type": "integer"
                }
              },
              "required": [
                "loadMs",
                "extractMs"
              ],
              "type": "object"
            },
            "warnings": {
              "items": {
                "type": "string"
              },
              "maxItems": 32,
              "type": "array"
            }
          },
          "required": [
            "source",
            "page",
            "integrity",
            "timings",
            "warnings"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}