Many services allow you to send real SMS or make calls over Wi-Fi without ever asking for payment information.
Allows unlimited texting to the U.S. and Canada and provides multiple phone numbers within one account. Business Texting Trials no credit card
Offers a real phone number for free texting and calling from mobile apps or a web browser. Many services allow you to send real SMS
Offers a free start with fast registration and no card required for their SMS marketing software. no credit card
