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JavaScript@langchain/langgraph-sdkclientgetApiKey
Function●Since v0.0

getApiKey

Get the API key from the environment. Precedence:

  1. explicit argument (if string)
  2. LANGGRAPH_API_KEY
  3. LANGSMITH_API_KEY
  4. LANGCHAIN_API_KEY
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getApiKey(apiKey: string | null): string | undefined

Parameters

NameTypeDescription
apiKeystring | null

API key provided as an argument. If null, skips environment lookup. If undefined, tries environment.

View source on GitHub