SAP Knowledge Base Article - Public

3003843 - Text Message sending failure due to API Error 403 Forbidden


Text message sending failed due to API error such as in the screenshot below: Code "403", Reason: "Forbidden", Message: "<html> <head> <title>Error 403 Forbidden</title> <", RequestID: "". 
403 mail.jpg

If testing connection in the relevant communication arrangement, we can see the same error as below.

Arrangement 02.GIF

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."


SAP Marketing Cloud Edition

Reproducing the Issue

  1. Open Text Message in content studio
  2. Send test Text Message


AccountID is missing in "Outbound Services" definition part of the relevant communication arrangement.


You need to maintain the relevant account ID under "Outbound Services" definition part of the corresponding communication arrangement.

  1. For example in screenshot below, for Scenario: SAP_COM_0041, the Path is like: such as /cmn/<accountID>/<accountID>.sms.
  2. You need to check the accountID information from the email you received from the service provider and maintain it in the path field.

arrangement 403.jpg

See Also

SAP Help Document on:

  1. Service Provider and Available Features
  2. Setting Up Sinch
  3. Connecting Service Provider


KBA , CEC-MKT-CPG-EXE , Campaign execution , CEC-MKT-MEM , Content Studio: E-Mails and other messages , Problem


SAP S/4HANA Cloud all versions