Receipt Oracle

Signed Ed25519 attestations that a payment actually settled — Stripe or Base USDC. Agents stop trusting tool JSON. Merchants stop arguing about “did it clear?”

Get public key Agent buy guide

Free on every settle

Every successful POST /fulfill and Stripe checkout returns paymentAttestation — attestationId, signature, payload, verifyUrl. No extra SKU required for Aizamon sales.

Verify anything

Public verify endpoint. No auth. Cryptographic check against our published key.

GET  https://aizamon.com/api/receipt-oracle/verify?id=…
POST https://aizamon.com/api/receipt-oracle/verify
     { "id": "…" }  or  { "payload": {…}, "signature": "…" }

Paid product — $0.10 USDC

SKU_RECEIPT_ORACLE_01 verifies an external Base USDC transfer (payload.txHash) or re-issues a prior Aizamon receipt (payload.intentId / stripeCheckoutId).

Wallet agents only · inline JSON · no email
Same purchase-intent → pay → fulfill flow as the micro aisle

Live verify

Format aizamon-receipt-v1 · algorithm Ed25519 · merchant aizamon.com · keys live in /.well-known/receipt-oracle.json