Send a free-text WhatsApp reply

Sends a live free-text reply when the same recipient has sent this project a WhatsApp message within the previous 24 hours. The project is derived from the API key. Development keys and sandbox projects are rejected; use an approved template when the reply window is closed.

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Body Params
string
required

Recipient WhatsApp number in E.164 format. This recipient must have sent the project a message within the last 24 hours.

string
required
length ≤ 4096
string

Caller-controlled unique identifier for this project.

Responses

400

The reply window is closed or unknown, or the key/project is not live.

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Response
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application/json