Castor

Castor Participants API

Participants (records / subjects) enrolled in a study.

Documentation GitHub OpenAPI

Business capability

Clinical Trial Subject Management BC-1520.30

Operations 3

GET /study/{study_id}/participant List participants #

POST /study/{study_id}/participant Create a participant #

GET /study/{study_id}/participant/{participant_id} Retrieve a participant #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Castor EDC / CDMS Participants 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: Participants
  description: Participants (records / subjects) enrolled in a study.
paths:
  /study/{study_id}/participant:
    get:
      operationId: listParticipants
      tags:
      - Participants
      summary: List participants
      description: Lists the participants (records) enrolled in a study.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/StudyId'
      - $ref: '#/components/parameters/Page'
      responses:
        '200':
          description: A paginated list of participants.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ParticipantCollection'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createParticipant
      tags:
      - Participants
      summary: Create a participant
      description: Creates a new participant (record) in a study.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/StudyId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ParticipantInput'
      responses:
        '201':
          description: The created participant.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Participant'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /study/{study_id}/participant/{participant_id}:
    get:
      operationId: getParticipant
      tags:
      - Participants
      summary: Retrieve a participant
      description: Retrieves a single participant by ID.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/StudyId'
      - $ref: '#/components/parameters/ParticipantId'
      responses:
        '200':
          description: A participant.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Participant'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    ParticipantInput:
      type: object
      properties:
        participant_id:
          type: string
        institute_id:
          type: string
          format: uuid
        email_address:
          type: string
    Participant:
      allOf:
      - $ref: '#/components/schemas/ParticipantInput'
      - type: object
        properties:
          status:
            type: string
          randomized_id:
            type: string
          progress:
            type: integer
          created_on:
            type: string
            format: date-time
    ParticipantCollection:
      type: object
      properties:
        _embedded:
          type: object
          properties:
            participants:
              type: array
              items:
                $ref: '#/components/schemas/Participant'
        page_count:
          type: integer
        total_items:
          type: integer
  parameters:
    ParticipantId:
      name: participant_id
      in: path
      required: true
      description: The participant (record) ID.
      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.
  securitySchemes:
    oauth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://data.castoredc.com/api/oauth/token
          scopes: {}