# Create a message (/zh-Hant/docs/api/create-message)

Generate a message with the Anthropic Messages format. Authenticate with `x-api-key` or `Authorization: Bearer`. Only models whose catalog entry lists `/v1/messages` are supported here.

Generate a message with the Anthropic Messages format. Authenticate with `x-api-key` or `Authorization: Bearer`. Only models whose catalog entry lists `/v1/messages` are supported here.

Machine-readable schema: /docs/openapi.yaml