{"openapi":"3.1.0","info":{"title":"nexus-x402","version":"1","description":"x402 payment facilitator. Sellers register by domain control; buyers read a challenge, pay on-chain, and present the payment. Resources are priced per network -- the same answer may be sold on mainnet and on a testnet, and a buyer picks by policy."},"servers":[{"url":"https://x402.nexus"}],"paths":{"/catalog":{"get":{"summary":"Every priced resource, with price, network and gateway URL","responses":{"200":{"description":"the catalogue"}}}},"/stats":{"get":{"summary":"Settled payments, counted by distinct transaction","responses":{"200":{"description":"counts, totals, and how many rows are stored"}}}},"/supported":{"get":{"summary":"Schemes and networks this facilitator can settle","responses":{"200":{"description":"schemes, networks, and which of them are testnets"}}}},"/apply":{"post":{"summary":"Register a seller from its own discovery document","responses":{"200":{"description":"registered"},"400":{"description":"the origin did not serve a usable /.well-known/x402"}}}},"/gateway/{seller}/{path}":{"get":{"summary":"A priced resource. 402 carries every payment option the seller accepts","parameters":[{"name":"seller","in":"path","required":true,"schema":{"type":"string"}},{"name":"path","in":"path","required":true,"schema":{"type":"string"}}],"responses":{"200":{"description":"paid and served"},"402":{"description":"payment required -- accepts lists every option"}}}},"/llms.txt":{"get":{"summary":"This service in prose, for a model reading it cold","responses":{"200":{"description":"text"}}}}}}