Use this service when you need this capability: performs a bounded deterministic audit of autonomous-agent and search discovery resources for a public HTTPS URL.
0.02 USDC per call
x402 V2 exact payment on Base mainnet (eip155:8453) using USDC. The HTTP 402 challenge confirms the exact requirements before an authorized payment.
POST https://signalharness.ai/api/agent/services/url_discovery_audit/invokePerforms a bounded deterministic audit of autonomous-agent and search discovery resources for a public HTTPS URL.
Documented public-source retrieval is bounded by the URL, byte, redirect, and timeout limits below. Source availability can affect execution; review the input schema and returned source metadata.
| Field | Type | Required | Limits |
|---|---|---|---|
| url | string | Required | Pattern: ^https://; Minimum length 9; Maximum length 2048 |
{
"url": "https://example.com/"
}{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"additionalProperties": false,
"minProperties": 1,
"maxProperties": 1,
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"pattern": "^https://",
"minLength": 9,
"maxLength": 2048
}
}
}Illustrative output from the canonical adapter fixture and schema. It is not a completed paid execution or a current live observation.
{
"url": "https://example.com/resource",
"checks": [
{
"id": "example",
"status": "pass",
"detail": "example",
"url": "https://example.com/resource"
}
],
"discoveredResourceUrls": [
"example00"
],
"summary": {
"pass": 0,
"warn": 0,
"fail": 0
}
}{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"additionalProperties": false,
"minProperties": 4,
"maxProperties": 4,
"required": [
"url",
"checks",
"discoveredResourceUrls",
"summary"
],
"properties": {
"url": {
"type": "string",
"minLength": 9,
"maxLength": 2048
},
"checks": {
"type": "array",
"minItems": 1,
"maxItems": 32,
"items": {
"type": "object",
"additionalProperties": false,
"minProperties": 4,
"maxProperties": 4,
"required": [
"id",
"status",
"detail",
"url"
],
"properties": {
"id": {
"type": "string",
"minLength": 1,
"maxLength": 128
},
"status": {
"type": "string",
"enum": [
"pass",
"warn",
"fail"
],
"minLength": 4,
"maxLength": 4
},
"detail": {
"type": "string",
"minLength": 1,
"maxLength": 1024
},
"url": {
"type": [
"string",
"null"
]
}
}
}
},
"discoveredResourceUrls": {
"type": "array",
"minItems": 0,
"maxItems": 16,
"items": {
"type": "string",
"minLength": 9,
"maxLength": 2048
}
},
"summary": {
"type": "object",
"additionalProperties": false,
"minProperties": 3,
"maxProperties": 3,
"required": [
"pass",
"warn",
"fail"
],
"properties": {
"pass": {
"type": "integer",
"minimum": 0,
"maximum": 32
},
"warn": {
"type": "integer",
"minimum": 0,
"maximum": 32
},
"fail": {
"type": "integer",
"minimum": 0,
"maximum": 32
}
}
}
}
}Timeout: 30000 ms. Full schemas are in OpenAPI.
This schema-valid request returns the canonical HTTP 402 challenge without executing the service. A payment-capable client validates the challenge, signs only with prior authority and budget, and retries the identical body.
curl -i -X POST https://signalharness.ai/api/agent/services/url_discovery_audit/invoke \
-H "Content-Type: application/json" \
--data '{"url":"https://example.com/"}'