LangChain

LangDB integrates seamlessly with popular libraries like LangChain, providing tracing support to capture detailed logs for workflows. Below is a complete example of using LangChain with LangDB.

1

Install LangChain

pip install langchain langchain-openai

2

Add LangDB to your Code

from langchain_openai import ChatOpenAI

api_base = "https://api.us-east-1.langdb.ai"
api_key = "xxxx" # LangDB API Key
default_headers = {
    "x-project-id": "xxxxx",  ### LangDB Project ID
}
llm = ChatOpenAI(
    model_name='gpt-4o' , 
    temperature=0.3, 
    openai_api_base=api_base, 
    default_headers=default_headers,
    disable_streaming=True )

# Your LangChain Code here

Check out full examples in the samples.