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x402.orthogonal.com chat completions
https://x402.orthogonal.com/baseten/v1/chat/completions
payable
Send a conversation to a model and get a completion back. Works exactly like the OpenAI chat completions endpoint. Pass messages and a model slug, get a response with the assistant's reply. Supports streaming for real-time token delivery, tool calling for function execution, structured outputs via response_format, and controllable reasoning depth on supported models. | ERROR: Unable to calculate p
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0xDEFaDa13F790cf39168691B391Cfa0b6f1f5c267
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 213 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:18:18.145Z (5d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.orthogonal.com%2Fbaseten%2Fv1%2Fchat%2Fcompletions"