openapi: 3.0.3
info:
  title: SuperTokens Core Driver Interface Email Password User Metadata API
  description: The Core Driver Interface (CDI) is the REST API exposed by the supertokens-core HTTP service. Backend SDKs (Node.js, Python, Go) use this API to communicate with the core service for authentication operations including session management, user sign-up/sign-in, email verification, password reset, social login, passwordless authentication, multi-tenancy, and user metadata management.
  version: '5.1'
  contact:
    name: SuperTokens
    url: https://supertokens.com
    email: team@supertokens.com
  license:
    name: Apache-2.0
    url: https://github.com/supertokens/supertokens-core/blob/master/LICENSE.md
servers:
- url: http://{host}:{port}
  description: SuperTokens Core service
  variables:
    host:
      default: localhost
      description: Hostname of the SuperTokens Core instance
    port:
      default: '3567'
      description: Port number of the SuperTokens Core instance
security:
- ApiKeyAuth: []
tags:
- name: User Metadata
  description: User metadata storage and retrieval
paths:
  /recipe/user/metadata:
    get:
      operationId: getUserMetadata
      summary: Get User Metadata
      description: Retrieves custom metadata stored for a user by userId.
      tags:
      - User Metadata
      parameters:
      - name: userId
        in: query
        required: true
        schema:
          type: string
        description: User ID to fetch metadata for
      responses:
        '200':
          description: User metadata
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserMetadataResponse'
    put:
      operationId: updateUserMetadata
      summary: Update User Metadata
      description: Updates or merges custom metadata for a user. Fields are shallow-merged with existing metadata.
      tags:
      - User Metadata
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateUserMetadataRequest'
      responses:
        '200':
          description: Metadata updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserMetadataResponse'
    delete:
      operationId: deleteUserMetadata
      summary: Delete User Metadata
      description: Deletes all metadata stored for a user.
      tags:
      - User Metadata
      parameters:
      - name: userId
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Metadata deleted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StatusResponse'
components:
  schemas:
    UpdateUserMetadataRequest:
      type: object
      required:
      - userId
      - metadataUpdate
      properties:
        userId:
          type: string
        metadataUpdate:
          type: object
          description: Metadata fields to merge into existing metadata
    StatusResponse:
      type: object
      properties:
        status:
          type: string
          example: OK
    UserMetadataResponse:
      type: object
      properties:
        status:
          type: string
        metadata:
          type: object
          description: Arbitrary key-value metadata for the user
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: api-key
      description: SuperTokens Core API key (configured in config.yaml or via environment variable)