Omnisend Contacts API

openapi: 3.1.0
info:
  title: Omnisend REST Analytics Contacts API
  description: 'Omnisend''s REST API for managing ecommerce email and SMS marketing

    automation. Exposes contacts, events, products, product categories,

    segments, campaigns, batches, email templates, email content, email

    universal layouts, images, brands, and analytics reports. Authentication

    uses an API key passed via the `X-API-KEY` header, or OAuth 2.0 with

    scopes such as `contacts.read`, `contacts.write`, `campaigns.read`,

    `campaigns.write`, `analytics.read`, etc.

    '
  version: v5
  contact:
    name: Omnisend
    url: https://api-docs.omnisend.com/
servers:
- url: https://api.omnisend.com/v5
  description: Omnisend REST API v5
security:
- ApiKeyAuth: []
- OAuth2: []
tags:
- name: Contacts
paths:
  /contacts:
    get:
      tags:
      - Contacts
      summary: List contacts
      responses:
        '200':
          description: Paginated list of contacts
    post:
      tags:
      - Contacts
      summary: Create or update a contact
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Contact'
      responses:
        '200':
          description: Contact created or updated
    patch:
      tags:
      - Contacts
      summary: Update contact by email
      responses:
        '200':
          description: Contact updated
  /contacts/{id}:
    get:
      tags:
      - Contacts
      summary: Get a contact
      parameters:
      - in: path
        name: id
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Contact
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
    patch:
      tags:
      - Contacts
      summary: Update contact by id
      parameters:
      - in: path
        name: id
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Contact updated
  /contacts-tags:
    post:
      tags:
      - Contacts
      summary: Add tags to contacts
      responses:
        '200':
          description: Tags added
    delete:
      tags:
      - Contacts
      summary: Remove tags from contacts
      responses:
        '200':
          description: Tags removed
components:
  schemas:
    Contact:
      type: object
      properties:
        contactID:
          type: string
        email:
          type: string
          format: email
        phone:
          type: string
        firstName:
          type: string
        lastName:
          type: string
        status:
          type: string
          enum:
          - subscribed
          - unsubscribed
          - nonSubscribed
        tags:
          type: array
          items:
            type: string
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-KEY
    OAuth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://app.omnisend.com/oauth/authorize
          tokenUrl: https://api.omnisend.com/v5/oauth/token
          scopes:
            contacts.read: Read contacts
            contacts.write: Manage contacts
            campaigns.read: Read campaigns
            campaigns.write: Manage campaigns
            analytics.read: Read analytics