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v1

latestOpenAPI 3.1.0Apache 2.02026-07-264001921002.3 KB
LangChain Integration

Count input tokens (LangChain - OpenAI format)

Counts the number of tokens in a Responses API request via LangChain.

post/langchain/v1/responses/input_tokens

Request body

modelstring required

Model identifier

streamboolean
instructionsstring

System instructions for the model

max_output_tokensinteger
metadataobject
parallel_tool_callsboolean
previous_response_idstring
storeboolean
temperaturenumber
top_pnumber
truncation'auto' | 'disabled'
userstring
fallbacksstring[]

Example request

{
  "model": "gpt-4"
}

Response

Successful response

objectstring
modelstring
input_tokensinteger
tokensinteger[]
token_stringsstring[]
output_tokensinteger
total_tokensinteger