Evidence purchase with explicit mode and current eligibility checks

Read /api/v1/offers/changes first for public price, access and availability metadata. Authentication errors include this URL as offer_url and in Link rel=describedby. Only an eligible authenticated live request can receive a payable x402 challenge.

get/api/v1/changes

Request

  • Base URL: https://alpnai.com
  • URL: https://alpnai.com/api/v1/changes
  • Auth: HTTP bearer

Query parameters

sincestring date

Headers

X-ALPNAI-Mode'sandbox' | 'live' required

Use live explicitly for x402. Commercial activation, owner mandate and billing eligibility are required.

Idempotency-Keystring required
X-AlpNAI-Mandatestring

Required in live mode: an active owner-authorized mandate for this agent.

PAYMENT-SIGNATUREstring

x402 v2 signed exact payment payload. Only submit after checking the original 402 quote and owner wallet policy. Never send a private key.

Response

Sandbox receipt, or a finalized live receipt with its result. Inspect settled and network.

Changes

No recorded changes to this operation across all 1 revision of this API.