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Every outbound SMS must use an active Sender ID registered on your Beem account. The default Sender ID INFO is deactivated and cannot be used.

Register a Sender ID

1

Sign in to the Beem Dashboard

2

Open SMS → Sender IDs

Navigate to SMS in the main menu, then open Sender IDs (or Sender Name).
3

Submit a new Sender ID

Create a new Sender ID and provide the required details. Sender IDs are typically alphanumeric (up to 11 characters) and must comply with local regulator requirements.
4

Wait for approval

Sender IDs are reviewed and activated by the Beem team or automatically where supported. You can only use a Sender ID in API requests once its status is active.
Use the exact approved Sender ID string in the source_addr field of your Send SMS request. An unregistered or inactive Sender ID returns error code 111 — see API responses.