When you send an outbound message, the total message size must be under the maximum size limit for the channel. An API request with media or a collection of media larger than the size limit will fail with an error.

For a media message, the maximum size limit is 5MB.

The following types of content are fully supported by Ynot? for Media. This content will be formatted for delivery on destination devices.

The following types of content are accepted by the Ynot? API for Media. Requests will not be rejected, but content will not be modified for device compatibility.