openapi-passkeys.yaml

openapi: 3.1.0
info:
  version: "1.0"
  title: passkey-server
  summary: "OpenAPI Spec for creating, managing and using passkeys"
  description: "This API shall represent the private and public endpoints for passkey registration, management and authentication"
  termsOfService: "https://www.hanko.io/terms"
  contact:
    email: developers@hanko.io
    url: "https://www.hanko.io"
    name: Hanko Dev Team
  license:
    url: "https://www.gnu.org/licenses/gpl-3.0.de.html"
    name: GPLv3
servers:
  - url: "https://passkeys.hanko.io"
    variables:
      host:
        default: localhost
      path_prefix:
        default: ""
paths:
  "/{tenant_id}/credentials":
    get:
      tags:
        - credentials
      summary: List Credentials
      description: Get a list of webauthn credentials for a user
      operationId: get-credentials
      parameters:
        - $ref: "#/components/parameters/X-API-KEY"
        - $ref: "#/components/parameters/user_id"
        - $ref: "#/components/parameters/tenant_id"
      requestBody:
        description: ""
        content: {}
      responses:
        "200":
          $ref: "#/components/responses/get-credentials"
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      security: []
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
  "/{tenant_id}/credentials/{credential_id}":
    patch:
      tags:
        - credentials
      summary: Update Credential
      description: Endpoint for updating a webauthn credential
      operationId: patch-credentials-credentialId
      parameters:
        - $ref: "#/components/parameters/X-API-KEY"
        - $ref: "#/components/parameters/credential_id"
        - $ref: "#/components/parameters/tenant_id"
      requestBody:
        $ref: "#/components/requestBodies/patch-credential"
      responses:
        "204":
          description: No Content
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "404":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      security: []
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
    delete:
      summary: Remove Credential
      description: Endpoint for removing a webauthn credential
      operationId: delete-credentials-credentialId
      parameters:
        - $ref: "#/components/parameters/credential_id"
        - $ref: "#/components/parameters/tenant_id"
      responses:
        "204":
          description: No Content
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "404":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      security: []
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
  "/{tenant_id}/registration/initialize":
    post:
      tags:
        - credentials
      summary: Start Passkey Registration
      description: Initialize a registration for webauthn credentials
      operationId: post-registration-initialize
      parameters:
        - $ref: "#/components/parameters/X-API-KEY"
        - $ref: "#/components/parameters/tenant_id"
      requestBody:
        $ref: "#/components/requestBodies/post-registration-initialize"
      responses:
        "200":
          $ref: "#/components/responses/post-registration-initialize"
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      security: []
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
  "/{tenant_id}/registration/finalize":
    post:
      tags:
        - credentials
      summary: Finish Passkey Registration
      description: Finish credential registration process
      operationId: post-registration-finalize
      parameters:
        - $ref: "#/components/parameters/tenant_id"
      requestBody:
        $ref: "#/components/requestBodies/post-registration-finalize"
      responses:
        "200":
          $ref: "#/components/responses/token"
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "404":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      security: []
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
  "/{tenant_id}/login/initialize":
    post:
      summary: Start Login
      description: Initialize a login flow for passkeys
      operationId: post-login-initialize
      parameters:
        - $ref: "#/components/parameters/tenant_id"
      responses:
        "200":
          $ref: "#/components/responses/post-login-initialize"
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "404":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      security: []
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
  "/{tenant_id}/login/finalize":
    post:
      summary: Finish Login
      description: Finalize the login operation
      operationId: post-login-finalize
      parameters:
        - $ref: "#/components/parameters/tenant_id"
      requestBody:
        $ref: "#/components/requestBodies/post-login-finalize"
      responses:
        "200":
          $ref: "#/components/responses/token"
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "404":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      security: []
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
  "/{tenant_id}/.well-known/jwks.json":
    get:
      tags:
        - credentials
        - webauthn
      summary: Well-known JWKS
      description: Endpoint for fetching JWKS
      operationId: get-.well-known-jwks.json
      parameters:
        - $ref: "#/components/parameters/tenant_id"
      responses:
        "200":
          $ref: "#/components/responses/jwks"
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
  "/{tenant_id}/transaction/initialize":
    post:
      summary: Initialize a transaction
      description: Initializes a new transaction for an existing user
      operationId: post-tenant_id-transaction-initialize
      parameters:
        - $ref: "#/components/parameters/X-API-KEY"
        - $ref: "#/components/parameters/tenant_id"
      requestBody:
        $ref: "#/components/requestBodies/post-transaction-initialize"
      responses:
        "200":
          $ref: "#/components/responses/post-login-initialize"
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "404":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
  "/{tenant_id}/transaction/finalize":
    post:
      summary: Finalize transaction
      description: Finalize a transaction
      operationId: post-tenant_id-transaction-finalize
      parameters:
        - $ref: "#/components/parameters/X-API-KEY"
        - $ref: "#/components/parameters/tenant_id"
      requestBody:
        $ref: "#/components/requestBodies/post-login-finalize"
      responses:
        "200":
          $ref: "#/components/responses/token"
        "400":
          $ref: "#/components/responses/error"
        "401":
          $ref: "#/components/responses/error"
        "404":
          $ref: "#/components/responses/error"
        "500":
          $ref: "#/components/responses/error"
      servers:
        - url: "https://passkeys.hanko.io"
          variables:
            host:
              default: localhost
            path_prefix:
              default: ""
tags:
  - name: credentials
    description: Represents all objects which are related to WebAuthn credentials
  - name: webauthn
    description: Represents all objects which are related to WebAuthn in common
components:
  parameters:
    user_id:
      name: user_id
      in: query
      description: representational id of the user
      required: true
      schema:
        type: string
    credential_id:
      name: credential_id
      in: path
      description: UUID of the credential
      required: true
      schema:
        type: string
        format: uuid
        minLength: 36
        maxLength: 36
        examples:
          - 1f496bcd-49da-4839-a02f-7ce681cdaaaa
    tenant_id:
      name: tenant_id
      in: path
      description: UUID of the tenant
      required: true
      schema:
        type: string
        format: uuid
        minLength: 36
        maxLength: 36
        examples:
          - 1f496bcd-49da-4839-a02f-7ce681ccb488
    X-API-KEY:
      name: apiKey
      in: header
      description: Secret API key
      required: true
      schema:
        type: string
        minLength: 32
  requestBodies:
    patch-credential:
      content:
        application/json:
          schema:
            type: object
            properties:
              name:
                type: string
            required:
              - name
    post-registration-initialize:
      description: ""
      content:
        application/json:
          schema:
            type: object
            properties:
              user_id:
                type: string
              username:
                type: string
                maxLength: 128
              icon:
                type:
                  - string
                  - "null"
              display_name:
                type:
                  - string
                  - "null"
                maxLength: 128
            required:
              - user_id
              - username
    post-registration-finalize:
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/public-key-credential"
              - type: object
                properties:
                  response:
                    $ref: "#/components/schemas/authenticator-attestation-response"
                  transports:
                    type:
                      - array
                      - "null"
                    uniqueItems: true
                    items:
                      type: string
                required:
                  - response
    post-login-finalize:
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/public-key-credential"
              - type: object
                properties:
                  response:
                    $ref: "#/components/schemas/autenticator-assertion-response"
                required:
                  - response
    post-transaction-initialize:
      content:
        application/json:
          schema:
            type: object
            properties:
              user_id:
                type: string
              transaction_id:
                type: string
                maxLength: 128
              transaction_data:
                type: object
            required:
              - user_id
              - transaction_id
              - transaction_data
  responses:
    get-credentials:
      description: Example response
      content:
        application/json:
          schema:
            type: array
            uniqueItems: true
            items:
              type: object
              additionalProperties: false
              properties:
                id:
                  type: string
                name:
                  type:
                    - string
                    - "null"
                public_key:
                  type: string
                attestation_type:
                  type: string
                aaguid:
                  type: string
                  format: uuid
                  minLength: 36
                  maxLength: 36
                last_used_at:
                  type:
                    - string
                    - "null"
                  format: date-time
                created_at:
                  type: string
                  format: date-time
                transports:
                  type: array
                  uniqueItems: true
                  items:
                    type: string
                backup_eligible:
                  type: boolean
                  default: false
                backup_state:
                  type: boolean
                  default: false
              required:
                - id
                - public_key
                - attestation_type
                - aaguid
                - created_at
                - transports
                - backup_eligible
                - backup_state
    error:
      description: Error Response with detailed information
      content:
        application/json:
          schema:
            type: object
            properties:
              title:
                type:
                  - string
                  - "null"
                examples:
                  - explanatory title
              details:
                type:
                  - string
                  - "null"
                examples:
                  - Information which helps resolving the problem
              status:
                type:
                  - integer
                  - "null"
              additional:
                type:
                  - object
                  - "null"
    post-registration-initialize:
      description: Example response
      content:
        application/json:
          schema:
            type: object
            properties:
              publicKey:
                type: object
                additionalProperties: false
                properties:
                  rp:
                    $ref: "#/components/schemas/relying-party-entity"
                  user:
                    $ref: "#/components/schemas/user-entity"
                  challenge:
                    type: string
                  pubKeyCredParams:
                    type:
                      - array
                      - "null"
                    items:
                      $ref: "#/components/schemas/credential-parameter-entity"
                  timeout:
                    type:
                      - integer
                      - "null"
                  excludeCredentials:
                    type:
                      - array
                      - "null"
                    items:
                      $ref: "#/components/schemas/credential-descriptor-entity"
                  authenticatorSelection:
                    $ref: "#/components/schemas/authentication-selection-entity"
                  attestation:
                    type: string
                  extensions:
                    type: array
                    uniqueItems: true
                    items:
                      type: object
                required:
                  - rp
                  - user
                  - challenge
            required:
              - publicKey
    post-login-initialize:
      description: Example response
      content:
        application/json:
          schema:
            type: object
            properties:
              publicKey:
                type: object
                additionalProperties: false
                properties:
                  challenge:
                    type: string
                  timeout:
                    type:
                      - integer
                      - "null"
                    format: int32
                  rpId:
                    type:
                      - string
                      - "null"
                  allowCredentials:
                    type:
                      - array
                      - "null"
                    items:
                      type: string
                  userVerification:
                    type:
                      - string
                      - "null"
                  extensions:
                    type:
                      - array
                      - "null"
                    uniqueItems: true
                    items:
                      type: object
                      additionalProperties: false
                required:
                  - challenge
            required:
              - publicKey
    jwks:
      description: Example response
      content:
        application/json:
          schema:
            type: object
            additionalProperties: false
            properties:
              keys:
                type: array
                minItems: 1
                uniqueItems: true
                items:
                  type: object
                  additionalProperties: false
                  properties:
                    alg:
                      type: string
                      readOnly: true
                      examples:
                        - RS256
                    e:
                      type: string
                      readOnly: true
                      examples:
                        - AAAA
                    kid:
                      type: string
                      format: uuid
                      readOnly: true
                      examples:
                        - 483b2499-1ed7-4325-94e3-97e8118ceee9
                    kty:
                      type: string
                      readOnly: true
                      examples:
                        - RSA
                    "n":
                      type: string
                      readOnly: true
                    use:
                      type: string
                      readOnly: true
                      examples:
                        - sig
                  minProperties: 6
            minProperties: 1
    token:
      description: Example response
      content:
        application/json:
          schema:
            type: object
            additionalProperties: false
            properties:
              token:
                type: string
            minProperties: 1
  schemas:
    public-key-credential:
      title: public-key-credential
      allOf:
        - $ref: "#/components/schemas/credential"
        - type: object
          properties:
            rawId:
              type: string
            clientExtensionResults:
              type: object
            authenticatorAttachment:
              type: string
          required:
            - rawId
    credential:
      type: object
      title: credential
      properties:
        id:
          type: string
        type:
          type: string
      required:
        - id
        - type
    authenticator-attestation-response:
      title: authenticator-attestation-response
      allOf:
        - $ref: "#/components/schemas/authenticator-response"
        - type: object
          properties:
            attestationObject:
              type: string
            transports:
              type:
                - array
                - "null"
              uniqueItems: true
              items:
                type: string
          required:
            - attestationObject
    authenticator-response:
      type: object
      title: authenticator-response
      properties:
        clientDataJSON:
          type: string
      required:
        - clientDataJSON
    autenticator-assertion-response:
      title: autenticator-assertion-response
      allOf:
        - $ref: "#/components/schemas/authenticator-response"
        - type: object
          properties:
            authenticatorData:
              type: string
            signature:
              type: string
            userHandle:
              type:
                - string
                - "null"
          required:
            - authenticatorData
            - signature
    relying-party-entity:
      title: relying-party-entity
      allOf:
        - type: object
          properties:
            id:
              type: string
          required:
            - id
        - $ref: "#/components/schemas/credential-entity"
    credential-entity:
      type: object
      title: credential-entity
      properties:
        name:
          type: string
        icon:
          type:
            - string
            - "null"
      required:
        - name
    user-entity:
      title: user-entity
      allOf:
        - type: object
          properties:
            id:
              type: string
            displayName:
              type:
                - string
                - "null"
          required:
            - id
        - $ref: "#/components/schemas/credential-entity"
    credential-parameter-entity:
      type: object
      title: credential-parameter-entity
      properties:
        type:
          type: string
        alg:
          type: integer
          format: int32
      required:
        - type
        - alg
    credential-descriptor-entity:
      type: object
      title: credential-descriptor-entity
      properties:
        type:
          type: string
        id:
          type: string
        transports:
          type:
            - array
            - "null"
          uniqueItems: true
          items:
            type: string
      required:
        - type
        - id
    authentication-selection-entity:
      type: object
      title: authentication-selection-entity
      properties:
        authenticatorAttachement:
          type:
            - string
            - "null"
        requireResidentKey:
          type:
            - boolean
            - "null"
          default: false
        residentKey:
          type:
            - string
            - "null"
        userVerification:
          type:
            - string
            - "null"