I need a SMS gateway for sending bulk messages to different numbers with different messages to be used in C#. Twilio was recommended but it can't send multiple text in bulk separately.

Basic Requirements:

  • C# Rest API.
  • two-way SMS messaging (preferring sending only)
  • capacity: more than 2500-5000 SMS/day
  • Free SMS services are rare, and for a reason ... – Glorfindel May 8 '19 at 10:11
  • isn't there any open source gateway, sharing its API or which could be used as 'on premises' ? – Farhan May 8 '19 at 10:30
  • thanx, I have managed to do it myself. – Farhan Jun 20 '19 at 7:42

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