OpenAI-compatible pay-per-call inference over x402 — five quality tiers plus embeddings and image generation, model-optional auto-routing, streaming, and a default-on prompt cache. See /v1 in the OpenAPI spec for the full wire format.
POST /v1/nano/chat/completionsOpenAI-compatible chat completions, nano tier: gpt-4.1-nano, gpt-5-nano, gemini flash-lite, small llama/ministral/qwen, …
POST /v1/auto/chat/completionsOpenAI-compatible chat completions with server-side model choice: omit "model" (or send "auto") and the gateway routes t…
POST /v1/chat/completionsOpenAI-compatible chat completions over x402 — point any OpenAI SDK at base_url https://agent402.tools/v1 and pay per ca…
POST /v1/pro/chat/completionsOpenAI-compatible chat completions, pro tier: gpt-4o, gpt-4.1, claude sonnet, gemini pro, grok — paid per call in USDC o…
POST /v1/premium/chat/completionsOpenAI-compatible chat completions, premium tier: gpt-5, o3/o4, claude opus — paid per call in USDC over x402. Same wire…
POST /v1/embeddingsOpenAI-compatible text embeddings over x402 — point any OpenAI SDK at base_url https://agent402.tools/v1 and pay $0.002 …
POST /v1/images/generationsOpenAI-compatible image generation over x402 — point any OpenAI SDK's images.generate() at base_url https://agent402.too…