Web evidence and citation verification for AI agents
Web evidence and citation verification for AI agents. Prove a source is live and contains expected text or status before citing or acting. Returns redirects, metadata, headers, latency, SHA-256 content digest, receipt ID, and timestamp. SSRF-safe, no account.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
686 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://anywaypossible.com/api/verify
| Category | Everything else |
|---|---|
| Provider host | anywaypossible.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 686 ms |
Example input (from the provider)
{
"body": {
"expectedStatus": 200,
"expectedText": "Example Domain",
"url": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"expectedStatus": {
"maximum": 599,
"minimum": 100,
"type": "integer"
},
"expectedText": {
"maxLength": 500,
"type": "string"
},
"url": {
"description": "Public HTTP(S) URL to verify",
"format": "uri",
"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": {
"properties": {
"contentSha256": {
"type": "string"
},
"finalUrl": {
"type": "string"
},
"observedAt": {
"format": "date-time",
"type": "string"
},
"receiptId": {
"type": "string"
},
"status": {
"type": "integer"
},
"title": {
"type": [
"string",
"null"
]
},
"verified": {
"type": "boolean"
}
},
"required": [
"verified",
"status",
"finalUrl",
"contentSha256",
"receiptId",
"observedAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}