Route: https://developers.sendinblue.com/reference/createemailcampaign-1
Route: https://developers.sendinblue.com/reference/updateemailcampaign
Segmentation List ids parameter in Create and Update Email Campaign routes

Route: https://developers.sendinblue.com/reference/updateemailcampaign
Update the custom unsubscription page, update profile form.

Route: https://developers.sendinblue.com/reference/createemailcampaign-1
Choose a custom unsubscription page, update profile form.

Route: https://developers.sendinblue.com/reference/getinboundemailattachment
You can now retrieve the Inbound Email Attachments using the DownloadToken sent within the webhook payload.

Route: https://developers.sendinblue.com/reference/getcontactinfo-1
You can now send start date and end date as query params which will show the statistics of a contact for the specified dates. If not sent, then it will respond with the recent 90 days data by default.

Route: https://developers.sendinblue.com/reference/uploadimagetogallery
You will now receive url for image uploaded in the response of this route.

In order to provide a reduced latency for this resource we have modified the default limit to be 50 results per page and 100 as a maximum. If you have specified a different limit than the recommended one, then we suggest you to do the necessary changes.

It is now possible to schedule transactional messages to be sent in the future. You can define a single transactional email or configure a batch send-out with millions of versions.

You can now create contact import jobs using a complete JSON definition for your contact attributes.

You can now use your unique HTML code and edit it when sending transactional messages in batches.
Just edit the variable htmlContent for each message version you want to create.