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Room for the builders

An open door for your curiosity.

Managed service is not the only way. We continue to offer an open-source path for WhatsApp gateways.

Contents
  1. 01Understand it. Adapt it. Operate it.
  2. 02Official SDKs for every stack.
  3. 03Connect an AI assistant with MCP.
  4. 04Control comes with responsibility.
  5. 05Responsible messaging matters.

Understand it. Adapt it. Operate it.

The open-source path gives technical teams room to study and manage their integrations. Contact us for integration guidance that fits your needs. One thing up front: the official MauKirim SDKs are API clients, not a gateway server you host yourself.

Official SDKs for every stack.

Four MIT-licensed repositories cover the whole MauKirim API: sdk-nodejs for Node.js/TypeScript, sdk-php for PHP, sdk-go for Go, and sdk-n8n as an n8n community node. They handle OTP, templated notifications, rented-number operations, and HMAC-SHA256 webhook signature verification.

Connect an AI assistant with MCP.

The MauKirim MCP server at https://app.maukirim.com/api/mcp lets an MCP-capable assistant — Claude Code, Cursor, and others — read the API documentation, inspect your billing and rented numbers, manage notification templates, and send from a rented number. Everything runs as your account with the permissions of the API key you grant it.

Control comes with responsibility.

For self-managed use, your team prepares the environment, WhatsApp connection, security, updates, and maintenance. The number provision offered with the managed service is not automatically included with open-source use.

Responsible messaging matters.

Obtain recipient permission, respect opt-out requests, and follow WhatsApp terms and applicable law. Open source is not a way around those responsibilities.

Official MauKirim SDKs

MauKirim Node.js SDK

Node.js / TypeScript
npm install maukirim

Covers the whole API: OTP, templated notifications, rented-number operations, and webhook signature verification.

View repository

MauKirim PHP SDK

PHP
composer require maukirim/sdk

A complete PHP client for OTP, notifications, and rented-number management in an idiomatic style.

View repository

MauKirim Go SDK

Go
go get github.com/MauKirim/sdk-go

A Go library for sending OTPs and notifications and operating rented numbers from your backend services.

View repository

MauKirim n8n community node

n8n
npm install n8n-nodes-maukirim

An n8n community node for wiring OTP and notification sends into no-code automation workflows.

View repository

An AI assistant on your account

Connect an AI assistant over MCP

The MauKirim MCP server lets an MCP-capable assistant — Claude Code, Cursor, VS Code, and other clients that read an mcpServers configuration — work directly with your account: read the API documentation, inspect billing and rented numbers, manage notification templates, and send from a rented number. Everything runs as your account with the permissions of the API key you grant it.

MCP endpoint: https://app.maukirim.com/api/mcp

  • Connect with a scoped API key in the Authorization: Bearer header, or through OAuth 2.1 for clients that discover the authorization server themselves, so no key lives in the config file.
  • The read scope is required for every connection; write tools need the matching notification, device, send, or webhook scope.
  • A sample send is a real, billable send, and a rental purchase returns a hosted checkout URL you must pay — the number is active only after payment settles.
  • Keep a write-scoped key narrow and never commit a real key to a tracked file.

MCP client configuration

{
  "mcpServers": {
    "maukirim": {
      "type": "http",
      "url": "https://app.maukirim.com/api/mcp",
      "headers": { "Authorization": "Bearer mk_live_…" }
    }
  }
}

Before you run it yourself

The open-source path does not include a managed number, hosting, support, or security setup. Your team manages the environment, the WhatsApp connection, updates, and its own compliance.

Visit the official MauKirim GitHubDiscuss a self-hosted gateway

Start with MauKirim

The message arrives. The relationship holds.

Create an account to view current packages, rent a managed WhatsApp number, and configure your API.

Create a MauKirim account