Retrieve deterministic evidence from a public HTTPS page
Retrieve deterministic evidence from a public HTTPS page
10000 (raw units)
price
5
calls / 30d
1
unique payers
2026-09-11
updated
Provider
evidence.api.williamrobinson.dev · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x26026370fe8b2bb17af9092a17691c76519366da",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"includeAccessibilityTree": false,
"includeLinks": false,
"maxChars": 5000,
"url": "https://example.com/"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"integrity": {
"extractionVersion": "chromium-readability-1",
"sha256": "b6bdcd206468c6a8d071af581b180ce6a96166dddadc59b04acd4ee32a9c2ed3"
},
"page": {
"canonical": null,
"language": "en",
"markdown": "# Example Domain\n\nThis domain is for use in illustrative examples in documents.\n",
"title": "Example Domain"
},
"source": {
"finalUrl": "https://example.com/",
"requestedUrl": "https://example.com/",
"retrievedAt": "2026-01-01T00:00:00.000Z",
"status": 200
},
"timings": {
"extractMs": 0,
"loadMs": 0
},
"warnings": []
},
"type": "json"
}
},
"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/$defs/accessibilityNode"
},
{
"type": "null"
}
]
},
"canonical": {
"type": [
"string",
"null"
]
},
"language": {
"type": [
"string",
"null"
]
},
"links": {
"items": {
"additionalProperties": false,
"properties": {
"text": {
"type": "string"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url",
"text"
],
"type": "object"
},
"maxItems": 1000,
"type": "array"
},
"markdown": {
"maxLength": 30000,
"type": "string"
},
"title": {
"type": [
"string",
"null"
]
}
},
"required": [
"title",
"canonical",
"language",
"markdown"
],
"type": "object"
},
"source": {
"additionalProperties": false,
"properties": {
"finalUrl": {
"format": "uri",
"type": "string"
},
"requestedUrl": {
"format": "uri",
"type": "string"
},
"retrievedAt": {
"format": "date-time",
"type": "string"
},
"status": {
"maximum": 599,
"minimum": 100,
"type": "integer"
}
},
"required": [
"requestedUrl",
"finalUrl",
"status",
"retrievedAt"
],
"type": "object"
},
"timings": {
"additionalProperties": false,
"properties": {
"extractMs": {
"minimum": 0,
"type": "integer"
},
"loadMs": {
"minimum": 0,
"type": "integer"
}
},
"required": [
"loadMs",
"extractMs"
],
"type": "object"
},
"warnings": {
"items": {
"type": "string"
},
"maxItems": 32,
"type": "array"
}
},
"required": [
"source",
"page",
"integrity",
"timings",
"warnings"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"s": [
"cdp_sdk_server"
]
},
"schema": {
"$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}$",
"type": "string"
}
},
"type": "object"
}
},
"eip2612GasSponsoring": {},
"erc20ApprovalGasSponsoring": {},
"payment-identifier": {
"info": {
"required": true
},
"schema": {
"$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"
}
}
}Use it
curl
curl "https://evidence.api.williamrobinson.dev/v1/web/evidence" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://evidence.api.williamrobinson.dev/v1/web/evidence");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://evidence.api.williamrobinson.dev/v1/web/evidence")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/8220.json, and this resource appears in /discovery/resources and /discovery/search.