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LangChain (Python) with idapt

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Set up LangChain (Python) against idapt's compatible APIs with the steps below. This article and the AI Gateway quickstarts lander render the same shared steps, so they never drift.

LangChain (Python)

LangChain (Python) with idapt

ChatOpenAI with base_url pointed at idapt: every catalog model behind one key.

  1. 1

    Install

    bash
    pip install langchain-openai
  2. 2

    Point it at idapt

    python
    from langchain_openai import ChatOpenAI

model = ChatOpenAI(
    model="anthropic/claude-sonnet-5",
    api_key=os.environ["IDAPT_API_KEY"],
    base_url="https://idapt.app/api/openai/v1",
)

GOOD TO KNOW

API keys and scopesOpenAI-compatible API referenceOpenRouter-compatible API referenceRate limits and errors

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Use LangChain JS with idapt: configure ChatOpenAI with a custom base URL and route any catalog model, tools included.

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Point the official OpenAI Python SDK at idapt's compatible API with base_url and run any catalog model unchanged.

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