APIs › Agent & Developer Utilities › API Response Verifier

API Response Verifier

Checks an API response against expected status, headers, content type and a JSON Schema or field assertions, returning per-assertion results.

POST /v1/developer/api-response-verify $0.01 per call

Specification

Endpoint

POST /v1/developer/api-response-verify

Price

$0.01 per call · tier standard_data

Payment

x402 on X Layer (chain 196) · settled in USDG or USDT0 · scheme exact

Data source

Deterministic local computation on caller-supplied input

Timeout

15 seconds

Max request

2 MB

Version

1.0.0

Calling it

The first call returns a 402 with the payment challenge. Retry with a signed authorisation in the X-PAYMENT header — see the payment guide for the exact shape.

curl -i -X POST "https://api.dana-edu.pp.ua/v1/developer/api-response-verify" \
  -H "content-type: application/json" \
  -d '{ ... }'

Response

Real output, captured by running this endpoint at build time — not written by hand. Volatile fields such as timestamps are elided. Captured 2026-07-30.

{
  "passed": false,
  "assertion_count": 4,
  "failed_count": 1,
  "assertions": [
    {
      "assertion": "status_code",
      "passed": true,
      "expected": 200,
      "actual": 200
    },
    {
      "assertion": "content_type",
      "passed": true,
      "expected": "application/json",
      "actual": "application/json"
    },
    {
      "assertion": "field:data.id",
      "passed": true,
      "expected": 42,
      "actual": 42
    },
    {
      "assertion": "field:data.missing",
      "passed": false,
      "expected": "x",
      "actual": null,
      "note": "path not present in body"
    }
  ]
}

Every response is wrapped in the same envelope: data plus warnings, sources, confidence, informational_only and a measured processing_ms. See the envelope reference.

Related endpoints