{"openapi":"3.1.0","x-discovery":{"ownershipProofs":["0x1c85dc9409373e74e64ef7a00a6f2ed049eb5210eed38b1d101076419399bf105798f6f0e1d2942f700eb23ad2d96e38fae4b86157abb7cc668e5447c88fd3a71b"]},"info":{"title":"SYNTHORA x402 Registry Watch","version":"1.0.0","description":"Real-time x402 endpoint discovery and M2M market-data feed: x402 endpoint delta feed, payTo address changes, x402 service listings live, x402 registry diff and x402 index deltas. Pay-per-event feed for router-agent price feed consumers; every response is Ed25519-signed with per-row and whole-response provenance receipt.","x-guidance":"POST /service with JSON body {\"since\":\"<cursor|ISO>\",\"slug\":\"<slug>\",\"limit\":<=200}. Returns signed x402 market data feed: x402 endpoint discovery agent data, x402 service uptime monitor, x402 new listings feed, payTo address changes and x402 registry diff deltas, plus Ed25519 attestation receipt. Pay 0.02 USDC on Base via x402. First 5 calls FREE per unique Base wallet via X-WALLET header.","contact":{"email":"camarademaestro@gmail.com","url":"https://hergertsynthora.com"}},"paths":{"/service":{"post":{"operationId":"registryFeed","summary":"x402 endpoint delta feed: live service listings, payTo changes and x402 market data feed","tags":["Data","x402","Discovery","RegistryWatch"],"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.020000"},"protocols":[{"x402":{}}]},"requestBody":{"required":false,"content":{"application/json":{"schema":{"type":"object","properties":{"since":{"type":"string","description":"cursor id (del_...) or ISO timestamp for x402 endpoint delta feed"},"slug":{"type":"string","description":"filter by x402 service listing slug or market slug"},"limit":{"type":"integer","maximum":200,"default":50}}}}}},"responses":{"200":{"description":"x402 market data feed: endpoint discovery, payTo address changes, new listings, uptime monitor and registry diff with Ed25519 receipt","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"result":{"type":"object"},"receipt":{"type":"object"}},"required":["ok"]}}}},"402":{"description":"Payment Required"}}}}}}