APIXO provides the official OpenAI Responses endpoint. Keep your Responses request shape and switch the base URL to
https://llm.apixo.ai.Quick Start
Non-streaming
Streaming
Endpoints
POST /v1/responses(non-stream and stream)- Base URL:
https://llm.apixo.ai
Authentication
Bearer token using your APIXO API key.
Supported OpenAI Responses Models
gpt-5.2gpt-5.2-codexgpt-5.3-codexgpt-5.4
SDK Integration (Node.js OpenAI SDK)
Error Handling and Retry
401: missing or invalid API key400: invalid request body or missing required fields429: rate limit or daily quota exceeded502: upstream request failed504: upstream timeout
- Retry
429/502/504with exponential backoff - Do not retry
400/401before fixing request/auth issues
Quick Reference
| Item | Value |
|---|---|
| Base URL | https://llm.apixo.ai |
| Path | POST /v1/responses |
| Stream switch | request body stream: true |
| Model location | request body model |
| Auth header | Authorization: Bearer <APIXO_KEY> |