{"domain":"pay.algovoi.co.uk","count":1,"changes":[{"captured_at":"2026-08-26T06:10:39","card_hash":"897ab68d19434c112256638ac2e501ea27cef6212ac7fa5287ce45a20c028a14","previous_card_hash":null,"diff":{"skills_added":[{"id":"negotiate-payment-lane","name":"Chain-agnostic payment-lane negotiation","description":"Chain-agnostic capability match. POST {chains:[...], protocols:[...], service_id?} to /pay/v1/negotiate with the chains and protocols you support (CAIP-2 ids, plain names, or hyphen/underscore forms) and get back the lanes you share with the rail plus a recommended pick. GET /pay/v1/negotiate returns the full capability set. Unauthenticated and read-only: mints no token, changes no state, settles nothing; the payment happens afterward via the chosen lane's 402. Response fields: negotiated, common_lanes, common_protocols, recommended, next.","tags":["negotiation","chain-agnostic","caip-2","interoperability","x402","a2a","mpp","ap2","discovery"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"pay-compliance-receipt","name":"Signed compliance receipt","description":"Tenant-free metered x402 service: no API key, payment is the auth (USDC on Algorand, scheme:exact = AVM note-bound settlement, token bound in the tx note, not EIP-3009). Produce a signed compliance/sanctions-screening receipt for a counterparty payment (wave 2, not yet enabled). Not yet enabled (wave 2).","tags":["x402","payments","verification","algorand","receipts"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"pay-verify-receipt","name":"Verify payment/settlement receipt","description":"Tenant-free metered x402 service: no API key, payment is the auth (USDC on Algorand, scheme:exact = AVM note-bound settlement, token bound in the tx note, not EIP-3009). Verify an x402/AP2 settlement attestation or signed receipt (JWS) offline against the platform JWKS and return a signed verification receipt. Price $0.01 USDC per call; returns an offline-verifiable Ed25519 receipt binding settled_payment_ref -> request_hash -> response_hash.","tags":["x402","payments","verification","algorand","receipts"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"pay-verify-rfc9421","name":"Verify RFC 9421 HTTP message signature","description":"Tenant-free metered x402 service: no API key, payment is the auth (USDC on Algorand, scheme:exact = AVM note-bound settlement, token bound in the tx note, not EIP-3009). Verify an RFC 9421 HTTP message signature (Signature-Input / Signature / Content-Digest) against a supplied public key and return a signed verification receipt. Price $0.01 USDC per call; returns an offline-verifiable Ed25519 receipt binding settled_payment_ref -> request_hash -> response_hash.","tags":["x402","payments","verification","algorand","receipts"],"inputModes":["application/json"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"AlgoVoi Payable Rail"},{"field":"description","before":null,"after":"Tenant-free metered signed-verification rail. Pay per call with x402 (USDC on Algorand mainnet, AVM note-bound settlement, scheme:exact is NOT EIP-3009); no API key, payment is the auth. Every response carries an offline-verifiable Ed25519 receipt."},{"field":"version","before":null,"after":"1.0.0"},{"field":"protocolVersion","before":null,"after":"0.3.0"},{"field":"url","before":null,"after":"https://pay.algovoi.co.uk/a2a"},{"field":"documentationUrl","before":null,"after":"https://pay.algovoi.co.uk/pay/v1/index"},{"field":"preferredTransport","before":null,"after":"JSONRPC"}],"other_changed":true,"is_empty":false,"human_summary":"added 4 skills · name ∅ → AlgoVoi Payable Rail · description ∅ → Tenant-free metered signed-verification  · version ∅ → 1.0.0 · protocolVersion ∅ → 0.3.0 · url ∅ → https://pay.algovoi.co.uk/a2a · documentationUrl ∅ → https://pay.algovoi.co.uk/pay/v1/index · preferredTransport ∅ → JSONRPC"}}]}