Posting Message With Attachment via API
By Alex Blaine
Posting messages to Yammer via API is a relatively simple process. When you want to add file attachments into the mix, things get more complicated as you have to utilize multi-part form data to post the message. I’ll be focusing on posting a message to Yammer with an attachment in a single API call. Keep in mind this method only supports attachments up to 25MB in size. If you need to post files larger than 25MB, you’ll need to use the Yammer web, desktop, or mobile clients for this.
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