No Credit Card Site

Allows you to test business messaging with free credit and no credit card needed. Text Content Generators

Provides a 14-day free trial to test their platform and send messages. no credit card

Offers a free start with fast registration and no card required for their SMS marketing software. Allows you to test business messaging with free

A popular choice that provides a free U.S. or Canadian phone number for unlimited texting and calling over Wi-Fi. no credit card

If you are looking to create the or a visual mockup: TextMe - Unlimited free texting and calling to any phone

Many services allow you to send real SMS or make calls over Wi-Fi without ever asking for payment information.