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Base URL

https://api.pipellm.com

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Authentication

HeaderValue
x-api-key$PIPELLM_API_KEY
anthropic-version2023-06-01

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Endpoints

TypeEndpoint
MessagesPOST /v1/messages
StreamingPOST /v1/messages (with stream: true)

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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
  • claude-haiku-4-5-20251015 / claude-haiku-4-5-latest
    • Fastest and most cost-effective
Claude 3.7 Series
  • claude-3-7-sonnet-20250219 / claude-3-7-sonnet-latest
    • Hybrid reasoning with Extended Thinking
For the complete model list, see the Claude Models documentation.

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Choose Your Integration

Anthropic SDK

Official SDK, recommended

Tool Use

Function calling

LangChain

LangChain framework

Claude Code

IDE integration