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The from field in every campaign request must be a pre-approved Sender ID on your account. Using an unregistered Sender ID will result in a rejected request.

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Retrieve your Sender IDs

curl https://api.interactsms.com/api/v2/senderlist \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN"
Response: 
[
  { "name": "Phonovation", "type": 0 },
  { "name": "353851234567", "type": 2 },
  { "name": "FreeText", "type": 1 }
]

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Sender ID types

TypeNameDescription
0ComReg Sender IDRegistered with ComReg. Delivers to Irish numbers.
1International Sender IDNon-ComReg approved. Will not deliver to Irish numbers.
2Numeric Sender IDA phone number. Supports two-way messaging.
Type 1 (International / non-ComReg) Sender IDs cannot be used to send to Irish numbers. Use a Type 0 or Type 2 Sender ID for Irish recipients.

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ComReg registration

In Ireland, all alphanumeric Sender IDs must be registered with ComReg (Commission for Communications Regulation) before they can be used to send to Irish numbers. This is a legal requirement — unregistered Sender IDs will not deliver to Irish recipients. Phonovation handles the ComReg registration process on your behalf. When you request a new Sender ID, Phonovation submits it for approval before activating it on your account.
ComReg registration applies to alphanumeric Sender IDs (e.g. YourBrand). Numeric Sender IDs (dedicated longcodes or shortcodes) follow a separate provisioning process.

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Registering a new Sender ID

Contact support@phonovation.com to request a new Sender ID. Include:
  • The exact Sender ID you want (max 11 characters for alphanumeric)
  • Whether it will be used for marketing or transactional messages
Allow time for ComReg processing before the Sender ID becomes active.
Last modified on April 9, 2026