{"name":"nairarate.dev","description":"Nigerian FX intelligence — CBN official, parallel market and stablecoin street rates, paid per call via x402 in USDC on Base.","endpoints":{"GET /health":"Source freshness. Free.","GET /v1/rates":"All markets, all currencies. $0.03.","GET /v1/rates/history":"Daily historical series. $0.05."},"conventions":{"base":"NGN — every rate is naira per unit of the quoted currency.","bid":"NGN received per unit of foreign currency (the low side).","ask":"NGN paid per unit of foreign currency (the high side)."},"discovery":{"GET /.well-known/x402":"Machine-readable service manifest.","GET /llms.txt":"Plain-text description for agents.","GET /methodology":"How the rates are derived and screened.","GET /openapi.json":"OpenAPI 3.1 spec."},"docs":"https://nairarate.dev"}