Sign up on https://messente.com/

1. Create an account
2. Complete the company details (top-right corner)
3. Add a Sender ID
4. Create API Key
5. On Service Center, enter your API key and fill in the Site Property Sender ID info on the MessenteSMS_IS module (integration tab)

https://messente.com/documentation/omnichannel-api/quickstart

https://dashboard.messente.com/api-settings

https://messente.com/documentation/omnichannel-api/reference

https://messente.com/documentation/omnichannel-api/delivery-report

https://messente.com/documentation/number-lookup

https://messente.com/blog/most-recent/sms-sender-id-registration

https://support.messente.com/account-verification