Developer ecosystem

Build Apps for KaiOS

Simple tools, comprehensive APIs, and clean documentation help developers build lightweight, impactful mobile experiences.

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Why Develop for KaiOS?

Empowering web developers to design, distribute, and scale mobile utilities.

Lightweight App Development

Build high-fidelity experiences using standard HTML5 and JavaScript.

Documentation & APIs

Access code references, device APIs, and deployment resources.

Reach New Users

Scale utilities to mobile-first markets in Asia, Africa, and LATAM.

Developer resources

Clean, Developer-first Resources

Get up and running with modular templates, sandboxes, and SDK tools.

manifest.webapp

{
  "name": "KaiFinance",
  "description": "Secure mobile wallet",
  "launch_path": "/index.html",
  "type": "privileged",
  "permissions": {
    "contacts": "readwrite"
  }
}

Build with KaiOS

Join the Global Developer Community

Build high-performance web applications and distribute them to millions of users.

Explore Documentation