Cvent Registration Webhooks API

openapi: 3.1.0
info:
  title: Cvent Registration REST Attendees Webhooks API
  version: v2
  description: 'Registration surface of the Cvent Platform REST API — manage

    events, registration types, contacts, attendees, and webhook

    subscriptions for registration lifecycle events. Provides programmatic access to events, contacts,

    registrations, attendees, sessions, exhibitors, surveys, webhooks, and

    related Event Cloud resources, authenticated via OAuth 2.0 client

    credentials. Endpoint host varies by region — US accounts use

    api-platform.cvent.com and EMEA accounts use api-platform-eur.cvent.com.


    Best-effort spec derived from Cvent developer portal documentation

    (overview, quickstart, Registration Guide, Managing Events Guide).

    Refer to https://developers.cvent.com/docs/rest-api/overview for the

    authoritative reference and downloadable OpenAPI.

    '
  contact:
    name: Cvent Developer Portal
    url: https://developers.cvent.com
  license:
    name: Proprietary
servers:
- url: https://api-platform.cvent.com
  description: Cvent Platform REST API (US/global)
- url: https://api-platform-eur.cvent.com
  description: Cvent Platform REST API (EMEA)
security:
- OAuth2ClientCredentials: []
tags:
- name: Webhooks
  description: Webhook subscriptions
paths:
  /ea/webhooks:
    get:
      tags:
      - Webhooks
      summary: List webhook subscriptions
      responses:
        '200':
          description: Webhooks
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Webhook'
    post:
      tags:
      - Webhooks
      summary: Create webhook subscription
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Webhook'
      responses:
        '201':
          description: Webhook subscription created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Webhook'
components:
  schemas:
    Webhook:
      type: object
      properties:
        id:
          type: string
        url:
          type: string
          format: uri
        events:
          type: array
          items:
            type: string
        active:
          type: boolean
  securitySchemes:
    OAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://api-platform.cvent.com/ea/oauth2/token
          scopes:
            event/events:read: Read events
            event/events:write: Write events
            event/contacts:read: Read contacts
            event/contacts:write: Write contacts
            event/attendees:read: Read attendees
            event/attendees:write: Write attendees
            event/sessions:read: Read sessions
            event/registration-types:read: Read registration types
            event/custom-fields:read: Read custom fields
    BasicAuth:
      type: http
      scheme: basic
      description: Client ID / client secret Basic auth used only for the /ea/oauth2/token call.
externalDocs:
  description: Cvent Platform REST API documentation
  url: https://developers.cvent.com/docs/rest-api/overview