# World ID

**Canonical:** https://apis.io/apis/worldcoin/world-id/  
**Provider:** World (Worldcoin) — https://apis.io/providers/worldcoin/  
**Base URL:** https://developer.worldcoin.org  
**Documentation:** https://docs.world.org/world-id

World ID is one of 6 APIs that [World (Worldcoin)](https://apis.io/providers/worldcoin/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include World ID, Proof of Personhood, and Zero Knowledge. The published artifact set on APIs.io includes API documentation.

Anonymous proof-of-human credential. Users prove uniqueness via Orb (highest assurance), government document with NFC, or selfie liveness check (beta). Applications request a zero-knowledge proof tied to a per-app nullifier so the user cannot sybil-attack the same action twice while remaining unlinkable across apps.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.world.org/world-id
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/worldcoin/refs/heads/main/apis.yml

## Other World (Worldcoin) APIs (5)

- [World ID Verify API](https://apis.io/apis/worldcoin/verify-api/)
- [IDKit (Web / React Widget)](https://apis.io/apis/worldcoin/idkit/)
- [World Mini Apps (MiniKit)](https://apis.io/apis/worldcoin/mini-apps/)
- [AgentKit](https://apis.io/apis/worldcoin/agent-kit/)
- [World Chain](https://apis.io/apis/worldcoin/world-chain/)

## Tags

World ID, Proof of Personhood, Zero Knowledge

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/worldcoin/world-id/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/worldcoin/.