{"data_mode":"live","fabricated":false,"as_of":"2026-10-20T03:45:19.469907401Z","disclaimer":"Live passive monitoring of GET /supported declarations only. This does not verify payments, /verify, /settle, or uninterrupted availability.","data":[{"id":"v1","name":"x402 v1","category":"protocol","reference":"https://github.com/coinbase/x402/blob/main/specs/x402-specification-v1.md","note":"Supplied research: /supported kinds[] retains legacy network identifiers."},{"id":"v2","name":"x402 v2","category":"protocol","reference":"https://github.com/coinbase/x402/blob/main/specs/x402-specification-v2.md","note":"Supplied research: kinds[], extensions[] and signers. Exact source fields remain in raw evidence. No payment verification."},{"id":"bazaar","name":"Bazaar","category":"extension","reference":"https://github.com/coinbase/x402/blob/main/specs/extensions/bazaar.md","note":"A declaration does not establish discovery endpoint availability or behavior; discovery endpoints are not polled."}]}