1. Bandwidth Support Center
  2. Messaging Support
  3. MMS

What MMS message size limits must be adhered to?

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Emma Bradley

Updated

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Platform

Total Message Size*

(including media)

External Media

(URL provided by customer - Bandwidth fetches content)

Stored Media

(Media uploaded to Bandwidth server)

HTTP V1

 1000 characters + 2MB total of all media files per message

1.5MB

2MB

(V1 media)

HTTP V2

1000 characters + 3.75MB total of all media files per message 

3.75MB

3.75MB

(V2 media)

MM4

5MB

total MM4 payload

n/a

 n/a

For HTTP V1 and V2 API customers, external media means you include a URL, and we will fetch the content. Stored media means you upload the content to the Bandwidth Application Platform media server. You can find out more information here. For MM4 customers, you provide the content itself in the message payload. 

*Note: When we speak about the message size, remember that it includes all the pieces of the message: the text, the media, headers, etc. Message size does not equal media size. In regards to media size, due to differences in handsets, file types, and transcoding, Bandwidth recommends you only send attachments that are no larger than 500KB to ensure the best chance of delivery.

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What is the character limit for the body of an MMS message? (How long can the text of the message be?)

Bandwidth recommends sending MMS messages with 1,000 characters or less in the text portion of the message.

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