openapi: 3.1.0
info:
  title: Checkmarx One Applications Authentication API
  description: Unified REST API for the Checkmarx One cloud-native application security platform, providing consolidated access to SAST, SCA, KICS, and other security scanning capabilities through a single API with project management, scan orchestration, and results retrieval.
  version: '1.0'
  contact:
    name: Checkmarx Support
    url: https://support.checkmarx.com/
  termsOfService: https://checkmarx.com/terms-of-use/
servers:
- url: https://ast.checkmarx.net/api
  description: Checkmarx One (US)
- url: https://eu.ast.checkmarx.net/api
  description: Checkmarx One (EU)
security:
- bearerAuth: []
tags:
- name: Authentication
  description: Obtain and manage authentication tokens via OAuth 2.0
paths:
  /auth/realms/{realm}/protocol/openid-connect/token:
    post:
      operationId: authenticate
      summary: Checkmarx Obtain access token
      description: Authenticate using OAuth 2.0 client credentials via the Checkmarx One IAM service to obtain a bearer token for API access.
      tags:
      - Authentication
      parameters:
      - name: realm
        in: path
        required: true
        description: Authentication realm name
        schema:
          type: string
          example: your-tenant
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - grant_type
              - client_id
              - client_secret
              properties:
                grant_type:
                  type: string
                  enum:
                  - client_credentials
                  - refresh_token
                  description: OAuth 2.0 grant type
                client_id:
                  type: string
                  description: API key client ID
                client_secret:
                  type: string
                  description: API key client secret
                refresh_token:
                  type: string
                  description: Refresh token (when using refresh_token grant)
      responses:
        '200':
          description: Authentication successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '401':
          description: Invalid credentials
      security: []
  /auth/identity/connect/token:
    post:
      operationId: authenticate
      summary: Checkmarx Obtain access token
      description: Authenticate using OAuth 2.0 to obtain a bearer token for accessing the Checkmarx SAST REST API. Supports both password and refresh token grant types.
      tags:
      - Authentication
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - username
              - password
              - grant_type
              - scope
              - client_id
              - client_secret
              properties:
                username:
                  type: string
                  description: Checkmarx username
                grant_type:
                  type: string
                  enum:
                  - password
                  - refresh_token
                  description: OAuth 2.0 grant type
                scope:
                  type: string
                  description: OAuth scope
                  example: sast_rest_api
                client_id:
                  type: string
                  description: OAuth client identifier
                  example: resource_owner_client
                client_secret:
                  type: string
                  description: OAuth client secret
                password:
                  type: string
                  description: Checkmarx password
      responses:
        '200':
          description: Authentication successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse_2'
        '400':
          description: Invalid credentials or request
      security: []
  /identity/connect/token:
    post:
      operationId: authenticate
      summary: Checkmarx Obtain access token
      description: Authenticate using OAuth 2.0 client credentials to obtain a bearer token for accessing the Checkmarx SCA API.
      tags:
      - Authentication
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - grant_type
              - username
              - password
              - acr_values
              - scope
              properties:
                grant_type:
                  type: string
                  enum:
                  - password
                  description: OAuth 2.0 grant type
                username:
                  type: string
                  description: SCA account username
                password:
                  type: string
                  description: SCA account password
                acr_values:
                  type: string
                  description: Tenant identifier
                  example: Tenant:your-tenant
                scope:
                  type: string
                  description: API access scope
                  example: sca_api
                client_id:
                  type: string
                  description: OAuth client ID
                  example: sca_resource_owner
      responses:
        '200':
          description: Authentication successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse_3'
        '400':
          description: Invalid credentials
      security: []
components:
  schemas:
    TokenResponse_2:
      type: object
      properties:
        access_token:
          type: string
          description: OAuth 2.0 access token
        token_type:
          type: string
          description: Token type
          example: Bearer
        expires_in:
          type: integer
          description: Token expiration time in seconds
        refresh_token:
          type: string
          description: Refresh token for obtaining new access tokens
    TokenResponse:
      type: object
      properties:
        access_token:
          type: string
          description: OAuth 2.0 access token
        token_type:
          type: string
          description: Token type
          example: Bearer
        expires_in:
          type: integer
          description: Token expiration time in seconds
        refresh_token:
          type: string
          description: Refresh token
    TokenResponse_3:
      type: object
      properties:
        access_token:
          type: string
          description: OAuth 2.0 access token
        token_type:
          type: string
          description: Token type
          example: Bearer
        expires_in:
          type: integer
          description: Token expiration time in seconds
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: OAuth 2.0 bearer token obtained via client credentials from the Checkmarx One IAM service
externalDocs:
  description: Checkmarx One API Documentation
  url: https://checkmarx.com/resource/documents/en/34965-128036-checkmarx-one-api.html