Hanko

aid: hanko
name: Hanko
description: Hanko is a passkey-first, open-source authentication platform that serves as a modern alternative to Auth0, Clerk,
  and WorkOS. It provides a REST API covering passkeys (WebAuthn/FIDO2), passwords, OAuth social login, SAML SSO, multi-factor
  authentication, and session management. Hanko is available as a managed cloud service and as a self-hosted open-source deployment,
  targeting developers who want to add passwordless authentication to their applications. The platform is headquartered in
  Germany and emphasizes privacy-first, European-hosted infrastructure with a free tier supporting up to 10,000 monthly active
  users.
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Authentication
- Passkeys
- WebAuthn
- FIDO2
- Identity
- OAuth
- SAML
- Passwordless
- Open Source
url: https://raw.githubusercontent.com/api-evangelist/hanko/refs/heads/main/apis.yml
created: '2026-06-12'
modified: '2026-06-12'
specificationVersion: '0.19'
apis:
- aid: hanko:public-api
  name: Hanko Public API
  description: The Hanko Public API provides the frontend-facing authentication endpoints including WebAuthn/passkey registration
    and login, password authentication, OAuth third-party login, SAML SSO flows, session validation, user management, email
    management, and well-known configuration endpoints. The base URL uses a per-tenant subdomain pattern.
  humanURL: https://docs.hanko.io
  baseURL: https://{tenant_id}.hanko.io
  tags:
  - Authentication
  - Passkeys
  - WebAuthn
  - OAuth
  - SAML
  - Sessions
  - Users
  properties:
  - type: Documentation
    url: https://docs.hanko.io
  - type: OpenAPI
    url: https://docs.hanko.io/openapi-public.yaml
  - type: OpenAPI
    url: openapi/hanko-public-api-openapi.yml
- aid: hanko:admin-api
  name: Hanko Admin API
  description: The Hanko Admin API provides backend management capabilities including user CRUD operations, session management,
    email management, WebAuthn credential management, audit log access, webhook configuration, OTP management, password management,
    and Prometheus metrics. This API requires a secret API key and should never be called from client-side code.
  humanURL: https://docs.hanko.io
  baseURL: https://{tenant_id}.hanko.io
  tags:
  - Administration
  - Users
  - Sessions
  - Audit Logs
  - Webhooks
  properties:
  - type: Documentation
    url: https://docs.hanko.io
  - type: OpenAPI
    url: https://docs.hanko.io/openapi-admin.yaml
  - type: OpenAPI
    url: openapi/hanko-admin-api-openapi.yml
- aid: hanko:passkey-api
  name: Hanko Passkey API
  description: The Hanko Passkey API is a standalone FIDO2-certified passkey server designed to add passkey support to any
    existing authentication system. It covers WebAuthn credential registration and management, passkey login flows, MFA operations,
    transaction verification, audit log retrieval, and JWKS endpoints. It uses a secret API key for backend authentication.
  humanURL: https://docs.hanko.io/passkey-api/introduction
  baseURL: https://passkeys.hanko.io
  tags:
  - Passkeys
  - WebAuthn
  - FIDO2
  - MFA
  - Credentials
  properties:
  - type: Documentation
    url: https://docs.hanko.io/passkey-api/introduction
  - type: OpenAPI
    url: https://docs.hanko.io/openapi-passkeys.yaml
  - type: OpenAPI
    url: openapi/hanko-passkey-api-openapi.yml
- aid: hanko:flow-api
  name: Hanko Flow API
  description: The Hanko Flow API powers structured authentication flows including login initialization and advancement, registration
    flow management, profile flow handling, and token exchange operations. It underpins the Hanko Elements UI components and
    supports stateful multi-step authentication journeys.
  humanURL: https://docs.hanko.io
  baseURL: https://{tenant_id}.hanko.io
  tags:
  - Authentication
  - Flows
  - Registration
  - Login
  properties:
  - type: Documentation
    url: https://docs.hanko.io
  - type: OpenAPI
    url: https://docs.hanko.io/openapi-flow.yaml
  - type: OpenAPI
    url: openapi/hanko-flow-api-openapi.yml
common:
- type: Website
  url: https://www.hanko.io
- type: Documentation
  url: https://docs.hanko.io
- type: GitHubOrganization
  url: https://github.com/teamhanko
- type: LinkedIn
  url: https://www.linkedin.com/company/teamhanko
- type: Blog
  url: https://www.hanko.io/blog
- type: Pricing
  url: https://www.hanko.io/pricing
- type: StatusPage
  url: https://status.hanko.io
- type: X
  url: https://twitter.com/hanko
- type: Plans
  url: plans/hanko-plans-pricing.yml
- type: RateLimits
  url: rate-limits/hanko-rate-limits.yml
- type: FinOps
  url: finops/hanko-finops.yml
- type: Vocabulary
  url: vocabulary/hanko-vocabulary.yml
- type: JSONLDContext
  url: json-ld/hanko-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com