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TextBelt API - Source Code

TextBelt is a telephony service. It provides outgoing SMS services for developers. TextBelt uses carrier-specific gateways to forward free SMS’s without advertisements. It can be used for testing SMS functions instead of Twilio. It supports a large variety of U.S. providers, including Alltel, Verizon, Virgin Mobile, and many more. The entire TextBelt service is a RESTful API that sends messages and responds with success or failure notices.