Bulk Message -- Update

Updates a bulk message text and/or media. Supports partial updates.

Only the fields provided in the request will be updated. Fields not provided will retain their existing values. This follows PATCH semantics.

Rate limit: 1200 per minute.

Path Params
string
required

The bulk message's ID (key string).

Body Params
string | null

Base64-encoded media attachment for MMS (images/videos, max 500 KiB raw file size).

string | null

Updated message text content.

int64 | null

Optional user ID. If not provided, uses the authenticated user from API key.

Response

Language
Credentials
Bearer
URL
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Response
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application/json