Base URL
Authentication
| Header | Value |
|---|---|
x-api-key | $PIPELLM_API_KEY |
anthropic-version | 2023-06-01 |
Endpoints
| Type | Endpoint |
|---|---|
| Messages | POST /v1/messages |
| Streaming | POST /v1/messages (with stream: true) |
Supported Models
Claude Sonnet 4.5 (Latest, recommended)claude-sonnet-4-5-20250929/claude-sonnet-4-5-latest- Best for complex agents and coding
- 200K context window
claude-haiku-4-5-20251015/claude-haiku-4-5-latest- Fastest and most cost-effective
claude-3-7-sonnet-20250219/claude-3-7-sonnet-latest- Hybrid reasoning with Extended Thinking
Next Steps
Messages
Endpoint reference and SDK examples
Tool Use
Function calling
LangChain (Anthropic)
Framework integration guide
Claude Code
Coding tool integration