Build Mini Apps, integrate World ID, and deploy on World Chain with official developer documentation.

This section now uses an OpenAPI spec to power endpoint pages and the playground. Prefer the endpoint pages in the sidebar for the latest parameters, responses, and live requests. Spec: …

Create a Mini App with the official template or install MiniKit-JS manually.

World ID smart contracts overview: supported chains, architecture, World ID Router verifyProof, and sybil resistance.

Free gas fees for all verified humans Native mobile distribution to all World App users through mini-apps Simplified crypto transactions through mini apps Sybil resistance for developers via World ID Airdrop …

Handle Mini App responses: await async command results or subscribe to events, then verify proofs on your backend.

Deploy a HelloWorldChain smart contract to World Chain Sepolia using Foundry: setup, build, test, fund, and create.

Get started integrating World ID with IDKit: create an app, collect proofs on web/mobile, and verify in Cloud or on-chain.

Mar 17, 2025 · Weekly updates for Mini Apps, Minikit, Dev Portal, and Docs.

Overview of Mini App commands: verify with World ID, pay, wallet auth, send transactions, share contacts, notifications, and more.