ToolAssay

Verify a public http or https provider URL for L402, x402, or MPP

Verify a public http or https provider URL for L402, x402, or MPP. POST JSON with required url and optional protocol (l402, x402, or mpp), library_id, and contact. Returns a report id and passed or failed. One verification is 1.00 USDC. Payment does not affect library inclusion or ranking.

Answeringour last check, 2026-10-25
2 of 2checks answered this week
1628 msmedian answer time
$1.00listed price per call
$1.00price 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://api.agentpaywire.com/v1/verify

CategoryEverything else
Provider hostapi.agentpaywire.com
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-25 valid payment request 402$1.00 1877 ms
2026-10-24 valid payment request 402$1.00 1380 ms

Example input (from the provider)

{
  "body": {
    "protocol": "x402",
    "url": "https://api.example.com/v1/search"
  },
  "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": {
            "contact": {
              "description": "Optional. At most 200 characters.",
              "type": "string"
            },
            "library_id": {
              "description": "Optional. 1 to 80 lowercase letters, digits, or hyphens.",
              "type": "string"
            },
            "protocol": {
              "description": "Optional. l402, x402, or mpp. Omit to report every protocol the probe finds.",
              "enum": [
                "l402",
                "x402",
                "mpp"
              ],
              "type": "string"
            },
            "url": {
              "description": "Public http or https URL to verify. Required.",
              "type": "string"
            }
          },
          "required": [
            "url"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "id": {
              "type": "string"
            },
            "paid_verification": {
              "type": "boolean"
            },
            "protocol": {
              "type": [
                "string",
                "null"
              ]
            },
            "report_url": {
              "type": "string"
            },
            "status": {
              "type": "string"
            },
            "url": {
              "type": "string"
            }
          },
          "required": [
            "id",
            "status",
            "url",
            "paid_verification",
            "report_url"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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