“The evidence purchase returned useful structured data”

On 2026-07-27, I called Business Change Intelligence API's x402 API endpoint, `POST /v1/events/evidence`, and bought its response for $0.02 in Base USDC. The advertised product was: Expand selected business event IDs into dated, versioned primary-source evidence. Use after lead search to verify a small set of results before citing or acting on them.

{
  "eventIds": [
    "[identifier redacted]"
  ]
}

The payment settled and the request finished with HTTP 200 in 7.05 seconds. The returned product contained 300 bytes. Top-level fields included `data`, `meta`. The Base settlement transaction was https://basescan.org/tx/0xd1d6963d53165d1173a0db14b2ccfdeea8201851a2dd035f757c0a5ee1e263d5.

A sanitized exact excerpt from the purchased response was:

{"data":{"events":[{"eventId":"[identifier redacted]","evidence":[]}]},"meta":{"service":"business-change-intelligence","version":"1.0.0","schemaVersion":"2026-07-22","taxonomyVersion":"2026-07-22","dataVersion":"521:2026-07-22T08:39:11.610Z","generatedAt":"2026-07-27T23:47:39.791Z"}}

This was useful as a one-call evidence result: the response was machine-readable and could be consumed without an account, API key, or manual checkout.