I'm using my transport array for individual points. I have a customer's phone number in a trello card. Is it possible to automatically send SMS messages to the phone through some add-on?
Have you search the list of power up providers?
I am aware that Contalist has SMS similar to their email template use cases that sends SMS instead of emails via Twilio. It has some automation with the Power Up and you might be able to integration Trello native automation to activate SMS via comments. You have to test it out for yourself.
The other alternative is to use Zapier or simply use Trello Http to send SMS via api provided by the service provider.
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