What is the Messaging API? The Messaging API lets you develop two-way communication between your service and LINE users.

Deciding between implementing your solution with APIs or messaging is not an either/or decision; sometimes your solutions will require both. Both APIs and messaging provide many benefits to …

Sep 22, 2025 · A messaging API is a programming interface that enables developers to integrate SMS and MMS capabilities into applications without building telecom infrastructure from scratch.

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Compare the best free SMS APIs for sending text messages programmatically. Includes Twilio, Vonage, Plivo, and more with code examples, free tier limits, and global coverage details.

By using the Messaging API, you can provide functions such as reservation functions and digital membership cards in your LINE chat rooms to enable smoother communication with your customers.

Quickstart Messaging API overview Messages types Get started with the Messaging API Issue channel access token v2.1