Importing phone numbers
There are two ways to provide telephone numbers for SMS: uploading them manually or importing them from another service.
Uploading numbers manually
On your account dashboard, go to “Address books” and choose one of the existing address books or create a new one. Then, manually enter telephone numbers or copy and paste them. Finally, click “Upload‘.
You can also upload preexisting files with your recipients’ phone numbers in one of the following formats: TXT, CSV, XLS, XLSX.
Importing numbers from another service
On your account dashboard, go to “Address books” and choose one of the existing address books or create a new one. Then, click “Import”, choose a service to import from, and enter the API key for your account on that service.
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