Tremendous Webhooks API

openapi: 3.1.0
info:
  title: Tremendous Campaigns Webhooks API
  description: The Tremendous API allows businesses to send rewards, incentives, and payouts worldwide. Access 2000+ payout methods including gift cards, prepaid Visa/Mastercard, PayPal, Venmo, bank transfers, and charity donations. Supports multi-product rewards (recipient chooses from a catalog) and single-product rewards (fixed payout method). Authentication uses Bearer API key or OAuth 2.0.
  version: '2.0'
  contact:
    name: Tremendous Support
    url: https://developers.tremendous.com
    email: api@tremendous.com
  license:
    name: Proprietary
  termsOfService: https://www.tremendous.com/terms
servers:
- url: https://testflight.tremendous.com/api/v2
  description: Sandbox (testing)
- url: https://www.tremendous.com/api/v2
  description: Production
security:
- BearerAuth: []
tags:
- name: Webhooks
  description: Configure webhook notifications
paths:
  /webhooks:
    get:
      operationId: listWebhooks
      summary: List Webhooks
      description: Returns webhook configuration for the organization.
      tags:
      - Webhooks
      responses:
        '200':
          description: Webhook configuration
          content:
            application/json:
              schema:
                type: object
                properties:
                  webhooks:
                    type: array
                    items:
                      $ref: '#/components/schemas/Webhook'
        '401':
          description: Unauthorized
    post:
      operationId: createWebhook
      summary: Create Webhook
      description: Configure a webhook endpoint for the organization.
      tags:
      - Webhooks
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                url:
                  type: string
                  format: uri
                  description: Webhook endpoint URL
                private_key:
                  type: string
                  description: Private key for HMAC signature verification
              required:
              - url
      responses:
        '201':
          description: Webhook created
          content:
            application/json:
              schema:
                type: object
                properties:
                  webhook:
                    $ref: '#/components/schemas/Webhook'
        '401':
          description: Unauthorized
  /webhooks/{id}:
    get:
      operationId: getWebhook
      summary: Get Webhook
      description: Retrieve details of a specific webhook configuration.
      tags:
      - Webhooks
      parameters:
      - name: id
        in: path
        required: true
        description: Webhook ID
        schema:
          type: string
      responses:
        '200':
          description: Webhook details
          content:
            application/json:
              schema:
                type: object
                properties:
                  webhook:
                    $ref: '#/components/schemas/Webhook'
        '401':
          description: Unauthorized
        '404':
          description: Webhook not found
    delete:
      operationId: deleteWebhook
      summary: Delete Webhook
      description: Remove a webhook configuration from the organization.
      tags:
      - Webhooks
      parameters:
      - name: id
        in: path
        required: true
        description: Webhook ID
        schema:
          type: string
      responses:
        '200':
          description: Webhook deleted
        '401':
          description: Unauthorized
        '404':
          description: Webhook not found
  /webhooks/{id}/simulate:
    post:
      operationId: simulateWebhook
      summary: Simulate Webhook
      description: Send a test event to the webhook endpoint to verify connectivity.
      tags:
      - Webhooks
      parameters:
      - name: id
        in: path
        required: true
        description: Webhook ID
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                event:
                  type: string
                  description: Event type to simulate (e.g., ORDERS.COMPLETED)
              required:
              - event
      responses:
        '200':
          description: Simulation sent
        '401':
          description: Unauthorized
        '404':
          description: Webhook not found
components:
  schemas:
    Webhook:
      type: object
      properties:
        id:
          type: string
          description: Unique webhook identifier
        url:
          type: string
          format: uri
          description: Webhook endpoint URL
        events:
          type: array
          items:
            type: string
          description: Event types this webhook receives
        created_at:
          type: string
          format: date-time
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Bearer token authentication using a Tremendous API key. Generate API keys in your Tremendous dashboard Settings > API.
    OAuth2:
      type: oauth2
      description: OAuth 2.0 for third-party integrations
      flows:
        authorizationCode:
          authorizationUrl: https://www.tremendous.com/oauth/authorize
          tokenUrl: https://www.tremendous.com/oauth/token
          scopes:
            read: Read access to orders, rewards, products, and funding sources
            write: Create orders and rewards
            manage: Manage organization settings, members, and webhooks