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Agents 2026 Rank: #1839

messages.dev ✓

The iMessage API for AI agents.

372 views 7 saves Freemium
Agent API iMessage API
More categories (4)
Real-time Webhooks Native Features Support AI Communication Agents
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Free + from $99/mo

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Verdict

A quick read before you dig into the full page.

Best if
The iMessage API for AI agents
Skip if
Limited free messages per day
Pick this when
TypeScript SDK

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Overview

messages.dev offers an iMessage API for developing and scaling AI-powered communication agents that can operate over iMessage, RCS, and SMS. It provides a simple REST API and TypeScript SDK alongside a fully managed infrastructure, allowing streamlined implementation and management.

Messages can be sent with native features such as tapbacks, typing indicators, and read receipts integrated. The platform also includes a Sandbox environment feature for testing and perfecting integrations before rolling them out live.

Notably, it offers real-time webhooks for instant notifications, accurately reflecting when messages arrive, reactions are added, or receipts are dispatched.

The API provides thorough support for features such as tapback reactions, typing indicators, and read receipts across all conversations, aiming to deliver a comprehensive and unified messaging experience.

Lastly, messages.dev handles all the tasks of provisioning, scaling, and monitoring with built-in end-to-end encryption, API key scoping, and webhook signature verification for secure and efficient operations of the messaging agents.

messages.dev website

Access & connections

Where you can use messages.dev, and what it plugs into.

Platforms

Web

Integrations

Webhooks

API

Public API available

Auth: API key

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Capabilities

What this tool accepts, produces, and is strongest at.

Input

  • API

Output

  • API

Highlights

  • API
  • Agents

Supported features

  • API
  • Agents
  • Integrations
  • Automation
  • Cybersecurity

Pros & cons

Pros

  • REST API
  • TypeScript SDK
  • Managed infrastructure
  • Unified messaging over iMessage/SMS/RCS
  • Tapback reactions support
  • Typing indicators support
  • Read receipts support
  • Sandbox testing
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  • Free daily messages
  • Real-time webhooks
  • Instant notification for messages/reactions/receipts
  • End-to-end encryption
  • API key scoping
  • Webhook signature verification
  • Simplified setup
  • Focus on agent logic
  • Handles provisioning/scaling/monitoring
  • Secure operation
  • Quick message sending capabilities
  • Supports native iMessage features
  • Accurate tracking of interactions

Cons

  • Limited Sandbox environment
  • Only supports REST API
  • No SDK for other languages
  • Limited free messages per day
  • No granularity in webhook notifications
  • Reliant on provisioning management
  • No customization of infrastructure
  • No multi-channel support
Show 2 more
  • Requires TypeScript knowledge
  • No explicit data backup system

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Releases 1

Initial release April 30, 2026 Current
Initial release of messages.dev.

FAQ 12

What is messages.dev?
messages.dev is an AI tool that enables the building and scaling of AI agents for communication over platforms like iMessage, RCS, and SMS. It simplifies the setup and operation of these AI agents through a REST API, TypeScript SDK and a fully managed infrastructure.
What are the main features of messages.dev?
The main features of messages.dev include a simple REST API, TypeScript SDK, communication via iMessage, RCS, SMS, a sandbox environment, real-time webhooks, built-in tapbacks, typing indicators, read receipts, API key scoping, webhook signature verification, and a fully managed, scaled, and monitored infrastructure.
How does the TypeScript SDK in messages.dev work?
The TypeScript SDK in messages.dev has been designed for user convenience to quickly set up and initiate sending of messages. It simplifies the interaction with the messages.dev API in a more tailored and convient way using TypeScript language.
What is the REST API in messages.dev used for?
The REST API in messages.dev is used to allow the sending of iMessages, RCS, and SMS messages. It supports built-in features like tapbacks, typing indicators, and read receipts in these messages.
How does messages.dev allow for communication via iMessage, RCS, and SMS?
messages.dev allows communication over iMessage, RCS, and SMS through its simple REST API which lets the sending of iMessages, RCS, and SMS messages. It also supports a TypeScript SDK for added convenience, catering to various needs of multiple platforms.
What exactly does 'managed infrastructure' mean in the context of messages.dev?
In the context of messages.dev, 'managed infrastructure' refers to a system where it handles the provisioning, scaling, and monitoring of the AI agents, allowing users only to focus on crafting their agent logic.
What security measures does messages.dev have in place?
messages.dev places a high importance on security. It has features like end-to-end encryption ensuring secure communications, API key scoping offering flexibility and control in permissions, and webhook signature verification guaranteeing the authenticity of received data.
What is the Sandbox environment in messages.dev used for?
The Sandbox environment in messages.dev is used for development and testing purposes. It provides 50 free messages per day to users, enabling them to build and test their integration before their AI agents go live.
What are real-time webhooks in messages.dev?
Real-time webhooks in messages.dev are used for instant notifications. They deliver notifications in milliseconds when messages arrive, reactions are added or receipts are sent, aiding in effective tracking of communications and interactions.
How does messages.dev handle monitoring and scaling of AI agents?
messages.dev handles monitoring and scaling of AI agents through its fully managed infrastructure. This means it oversees the provisioning, scaling, and monitoring processes, enabling users to only concentrate on programming their agent logic.
Does messages.dev have any typing indicators or read receipts?
Yes, messages.dev has full support for typing indicators and read receipts across all conversations. These features are part of messages.dev's built-in capabilities and provide real-time feedback for a more interactive experience.
What are tapbacks in the context of messages.dev?
In the context of messages.dev, tapbacks are reactions or feedback to messages. These are inbuilt in the API, allowing messages sent through it to have interactive reactions, improving user engagement and experience.
messages.dev Free + from $99/mo
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