Developers & creators

isendi Identity Kit

Passkeys, SSO & Zero-Knowledge Age Verification (Source Code, EN/DE)

€450incl. VAT

Digital download. Before checkout you confirm that delivery starts right away, so there's no refund once your download has started. Cancellation policy

Passkeys, single sign-on and zero-knowledge age checks. Ready to ship. Three tested source-code modules for passwordless login, OpenID Connect SSO, portable user profiles and privacy-preserving age verification. Pay once, own the code.

What you get

• Passkey SSO: a passkey (WebAuthn Level 3) identity provider with OpenID Connect single sign-on. It has autofill sign-in, passkey management, consent screens, single logout and an account page, plus a…
• Profile Design System: design tokens (light/dark, importable into Figma via Tokens Studio) and web components for avatars, identity cards, linked accounts, a GDPR consent centre, an asset vault and passkey…
• ZK Age Verification: a zero-knowledge proof that a user is "18 or older", built from an issuer-signed credential. The website never sees a birth date or an ID document. The proof takes about 1–2 seconds in the…

Full description in the Shopify store ↗