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Update the content of a mailing

Update the content of a mailing. You can transmit plain text, html, or multipart content that consists of HTML and plain text. See Updating mailing content via REST API on Optimizely World. Note: You can only update the content of mailings created via REST API. This operation is also not suitable for confirmation mailings.

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Path Params
string
required

Client ID

int64
required

Transactional mail ID

Body Params
string

New mailing content to be uploaded

Responses
200

The mailing content was updated successfully.

409

The mailing content could not be updated because of a general error.

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Response
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