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Messaging API | SignalWire

Your Message, Delivered.

Interact with your customers the way they want to be reached. Send SMS or MMS at scale and ensure high deliverability of your messaging campaigns. Every time.

Seamless Migration

  • Transfer your application to SignalWire with little to no code changes using familiar XML syntax and API libraries.

  • Maintain brand consistency by using the same toll-free number for SMS and calls.

  • Keep your own phone numbers with easy, streamlined porting or set up new Toll-free, 10DLC, or short code numbers.

White-Glove Campaign Registry Assistance

  • Step-by-step guidance through our Campaign Registry Wizard and real-time updates on the status of your campaign.

  • Full review of every campaign before submission for the highest likelihood of approvals.

  • Access to our Carrier Operations team should you run into any questions or issues.

Flexible Pay-As-You-Go Pricing

  • Only pay for what you use, when you use it.

  • Save up to 50% by spending 5 minutes switching to SignalWire.

  • Gain access to volume discounts as your traffic scales.

Expert Support 24/7

Gain 24/7 access to our US-based support team, so you never have to delay your development process to wait for answers. Everyone on our support team is either a developer or a technology expert themselves, many of whom are fluent with FreeSWITCH.

Build your App the SignalWire Way

SignalWire was built from the ground up by the world’s top telephony engineers. Our products aren’t just built; they’re designed for developers. No more hacking things together to create your vision; our APIs are designed to work together and grow with you so that you can have a full arsenal of communications tools at your fingertips.

Build what's next.

Contact us to get started.

Start Building