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latestOpenAPI 3.0.0raw.githubusercontent.com2026-08-11109177388.8 KB

messages

Create a message (Anthropic Messages API)

post/v1/messages

Request body

max_tokensinteger

modelstring

stop_sequencesstring[]

streamboolean

temperaturenumber

top_kinteger

top_pnumber

Response

JSON response or SSE stream when stream=true

idstring

modelstring

rolestring

stop_reasonstring

stop_sequencestring

typestring