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Messaging API
A global SMS/MMS and chat-API built on a full-stack carrier infrastructure, with real-time deliverability, fast campaign approvals, intelligent routing, and developer-first APIs to avoid costly CPaaS vendor patch-work.
Create custom communication systems using an intuitive interface that seamlessly integrates SMS, MMS, WhatsApp, and chat features into existing workflows. SignalWire’s expertise with The Campaign Registry allows us to fast-track approvals and provide compliance guidance, simplifying the development process
Delivering enterprise-level performance and reliability at any scale, SignalWire’s API provides you with the flexibility to grow your business without the hassle of managing complex infrastructure. Manage customer interactions across multiple channels with streamlined integration, expansive global reach, and top-notch security.
There are lots of ways to build on SignalWire - explore these starting points for popular use cases.
Using CURL, request a token via SMS, specifying a from number, a custom message, allowing letters in the code, and asking for an eight-character token.
Eliminate the need to manually construct action JSON objects. Using the [HELPER METHOD], send SMS message to PSTN phone numbers using SWML.
Use the Client object to build a messaging system into the browser. getMessages returns the list of messages that were sent to the specified channel.
A simple example of sending an outbound message using RELAY v4, use the send method to send a message to a phone number.
Redact sensitive information from your outbound messages for HIPAA compliance using the SignalWire API and Python or Node.js.
Manage voice, video, and messaging in one platform. Seamlessly integrate PSTN, SIP, WebRTC, and AI with a fully programmable API that simplifies communication workflows.
Automatically queue and manage messages to ensure smooth delivery even during high-traffic periods.
Personalize messages with dynamic content based on customer data or behavior.
Create reusable message templates and automate recurring communication for marketing and notifications.
Send messages worldwide with support for multiple carriers, ensuring reliable delivery across regions.
Easily register your messaging campaigns with SignalWire’s TCR Wizard to ensure 10DLC compliance.
Get instant updates on message status with real-time delivery receipts and tracking for each sent message.
A messaging API lets developers send and receive SMS and MMS programmatically from applications without managing phone carrier infrastructure. SignalWire's Messaging API supports 10DLC, toll-free, and short code numbers, with delivery status webhooks, number pooling, and easy migration from other providers.
10DLC (10-Digit Long Code) is the US carrier registration standard for business SMS. Without 10DLC registration, messages sent over standard long-code numbers are likely to be filtered or blocked by carriers.
Yes. SignalWire's Messaging API supports MMS, allowing developers to send images, audio, and video alongside text messages. MMS can be sent and received programmatically via the same REST API used for SMS, with media hosted on SignalWire's infrastructure or externally.
SignalWire supports 10DLC campaign registration, toll-free number verification, and short code provisioning to meet US carrier compliance requirements.
Yes. SignalWire provides built-in tools to register messaging campaigns, manage compliance requirements, and improve deliverability for business messaging.
Yes. You can enable messaging on existing numbers through Hosted Messaging or port numbers into SignalWire.
Yes. SignalWire supports high-throughput messaging, allowing you to send and receive messages at scale for alerts, authentication, or customer communications.
Jumpstart your messaging projects with our programmable, unified platform and robust, intuitive Messaging APIs. Contact us to explore how our Programmable Messaging can enhance your communications today!
