{"service":"Codex Sale","protocol":"x402 (v2 + v1 legacy)","network":"Base (USDC)","payTo":"0xaE07E1767845A3bf8f070C6d7e65141DC742Ae0B","endpoints":{"models_free":"GET /v1/models","chat":"POST /v1/chat/completions (model in body; price per model in 402)","chat_pinned":"POST /v1/chat/completions/m/<model> (URL-encoded)","images":"POST /v1/chat/completions/m/<image-model> (routed to /v1/images/generations)"},"default_price_atomic":"5484","default_price_usd":"$0.005484"}