Castor

Castor Fields API

Study fields and their metadata (dependencies, option groups, validations).

Documentation GitHub OpenAPI

Business capability

Clinical Data Management BC-1520.40

Operations 5

GET /study/{study_id}/field List fields #

GET /study/{study_id}/field/{field_id} Retrieve a field #

GET /study/{study_id}/field-dependency List field dependencies #

GET /study/{study_id}/field-optiongroup List field option groups #

GET /study/{study_id}/field-validation List field validations #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Castor EDC / CDMS Fields API
  description: The Castor EDC / CDMS API is a RESTful interface to Castor's cloud electronic data capture (EDC) and clinical data management platform.
  version: '1.0'
  contact:
    name: Castor
    url: https://www.castoredc.com
  license:
    name: Proprietary
    url: https://www.castoredc.com/legal/
servers:
- url: https://data.castoredc.com/api
  description: Castor EU (default)
- url: https://us.castoredc.com/api
  description: Castor US region
security:
- oauth2ClientCredentials: []
tags:
- name: Fields
  description: Study fields and their metadata (dependencies, option groups, validations).
paths:
  /study/{study_id}/field:
    get:
      operationId: listFields
      tags:
      - Fields
      summary: List fields
      description: Lists all data-capture fields defined in a study.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/StudyId'
      - $ref: '#/components/parameters/Page'
      responses:
        '200':
          description: A paginated list of fields.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FieldCollection'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /study/{study_id}/field/{field_id}:
    get:
      operationId: getField
      tags:
      - Fields
      summary: Retrieve a field
      description: Retrieves a single field by ID.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/StudyId'
      - $ref: '#/components/parameters/FieldId'
      responses:
        '200':
          description: A field.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Field'
        '404':
          $ref: '#/components/responses/NotFound'
  /study/{study_id}/field-dependency:
    get:
      operationId: listFieldDependencies
      tags:
      - Fields
      summary: List field dependencies
      description: Lists conditional-logic dependencies between fields in a study.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/StudyId'
      responses:
        '200':
          description: A list of field dependencies.
          content:
            application/json:
              schema:
                type: object
  /study/{study_id}/field-optiongroup:
    get:
      operationId: listFieldOptionGroups
      tags:
      - Fields
      summary: List field option groups
      description: Lists the option groups (answer choices) used by fields in a study.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/StudyId'
      responses:
        '200':
          description: A list of option groups.
          content:
            application/json:
              schema:
                type: object
  /study/{study_id}/field-validation:
    get:
      operationId: listFieldValidations
      tags:
      - Fields
      summary: List field validations
      description: Lists validation rules attached to fields in a study.
      x-endpoint-status: modeled
      parameters:
      - $ref: '#/components/parameters/StudyId'
      responses:
        '200':
          description: A list of field validations.
          content:
            application/json:
              schema:
                type: object
components:
  parameters:
    FieldId:
      name: field_id
      in: path
      required: true
      description: The field GUID.
      schema:
        type: string
    StudyId:
      name: study_id
      in: path
      required: true
      description: The study GUID (uppercase, 8-4-4-4-12 format).
      schema:
        type: string
    Page:
      name: page
      in: query
      required: false
      description: Page number for paginated (HAL) collections.
      schema:
        type: integer
        minimum: 1
  responses:
    NotFound:
      description: The requested resource was not found.
    Unauthorized:
      description: Missing or invalid access token.
  schemas:
    Field:
      type: object
      properties:
        id:
          type: string
          format: uuid
        field_id:
          type: string
          format: uuid
        field_variable_name:
          type: string
        field_label:
          type: string
        field_type:
          type: string
        field_required:
          type: boolean
        option_group:
          type: string
    FieldCollection:
      type: object
      properties:
        _embedded:
          type: object
          properties:
            fields:
              type: array
              items:
                $ref: '#/components/schemas/Field'
        page_count:
          type: integer
        total_items:
          type: integer
  securitySchemes:
    oauth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://data.castoredc.com/api/oauth/token
          scopes: {}