World (Worldcoin)

World ID

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.

World ID is one of 6 APIs that World (Worldcoin) publishes on the APIs.io network.

Tagged areas include World ID, Proof of Personhood, and Zero Knowledge. The published artifact set on APIs.io includes API documentation.

GitHub

Documentation

📖
Documentation
https://docs.world.org/world-id

API entry from apis.yml

apis.yml Raw ↑ 
aid: worldcoin:world-id
name: World ID
description: 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.
humanURL: https://docs.world.org/world-id
baseURL: https://developer.worldcoin.org
tags:
- World ID
- Proof of Personhood
- Zero Knowledge
properties:
- type: Documentation
  url: https://docs.world.org/world-id