API Documentation
OpenAI-compatible X6.AI API reference. Chat completions, models, streaming, errors, and SDK integration.
POST <BASE_URL>/v1/chat/completions
Authorization: Bearer <API_KEY> (e.g. sk-snx-...)
Fill <BASE_URL> from Endpoints.
Documentation
- Endpoints
Single API base URL
- Quickstart
First chat completion
- Authentication
Bearer API key format and errors
- Chat Completions
POST /v1/chat/completions reference
- Messages (Anthropic)
POST /v1/messages Anthropic-compatible API
- Responses (OpenAI)
POST /v1/responses OpenAI Responses API
- List models
GET /v1/models list and retrieve
- Billing balance
GET /v1/billing/balance
- Usage (period)
GET /v1/usage?start_time=&end_time=
- Billing request
GET /v1/billing/requests/{request_id}
- Model pricing
Four-tier rates, cache read/write, long context
- Streaming
SSE streaming responses
- Parameters
Request parameters
- Errors
HTTP status codes and error shapes
- Rate Limits & Quotas
IP limits, quota and balance pre-checks
- Response Headers
X-SNX-* diagnostic headers