{"total_services":1551,"protocols":{"x402":{"services":1457,"endpoints":1420,"description":"Coinbase/Cloudflare. USDC on Base. Per-request on-chain settlement. Permissionless."},"mpp":{"services":92,"endpoints":843,"description":"Stripe/Tempo. Stablecoins + cards + Lightning. Session-based batch payments."},"l402":{"services":5,"endpoints":9,"description":"Lightning Labs. Bitcoin Lightning Network. Macaroon-based credentials."},"multi":{"services":2,"endpoints":5,"description":"Services supporting multiple payment protocols."}},"hub":"Cinderwright Discovery Hub — The only cross-protocol agent payments index","filter_hint":"Use GET /discover?q=weather&network=lightning to filter by protocol"}