APIXO provides the official Anthropic Claude endpoint. Keep your Anthropic request shape and switch the base URL to
https://llm.apixo.ai.Quick Start
Non-streaming
Streaming
Endpoints
POST /v1/messages(non-stream and stream)- Base URL:
https://llm.apixo.ai
Authentication
Your APIXO API key.
Required Anthropic protocol version header.
Supported Claude Models
claude-haiku-4-5-20251001claude-opus-4-6claude-sonnet-4-6
SDK Integration (JavaScript)
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/messages |
| Stream switch | request body stream: true |
| Model location | request body model |
| Auth header | x-api-key |
| Required extra header | anthropic-version |