v1

latestOpenAPI 3.1.0Apache 2.02026-07-264001921002.3 KB
LangChain Integration

Create message (LangChain - Anthropic format)

Creates a message using Anthropic-compatible format via LangChain.

post/langchain/anthropic/v1/messages

Request body

modelstring required

Model identifier (e.g., claude-3-opus-20240229)

max_tokensinteger required

Maximum tokens to generate

streamboolean

Whether to stream the response

temperaturenumber
top_pnumber
top_kinteger
stop_sequencesstring[]
output_formatobject

Structured output format (requires beta header)

fallbacksstring[]

Response

Successful response

idstring
typestring
rolestring
modelstring
stop_reasonstring
stop_sequencestring nullable