openapi: 3.0.3
info:
  title: ClickSend v3 Account ContactList API
  description: Representative OpenAPI 3.x description of the ClickSend v3 REST API, a single cloud communications API for SMS, MMS, voice / text-to-speech, transactional email, and physical post (letters and postcards), plus contacts and lists, delivery receipts, inbound handling, and account/balance. All requests use HTTP Basic authentication with your ClickSend username and API key. This document models a representative subset of the documented endpoints; see the official reference for the complete surface.
  termsOfService: https://www.clicksend.com/au/legal/terms-of-service/
  contact:
    name: ClickSend Support
    email: support@clicksend.com
    url: https://developers.clicksend.com/
  version: '3.1'
servers:
- url: https://rest.clicksend.com/v3
  description: ClickSend v3 production API
security:
- basicAuth: []
tags:
- name: ContactList
  description: Manage contact lists.
paths:
  /lists:
    get:
      tags:
      - ContactList
      operationId: listsGet
      summary: Get a paginated list of contact lists.
      parameters:
      - $ref: '#/components/parameters/page'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: A paginated list of contact lists.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
    post:
      tags:
      - ContactList
      operationId: listsPost
      summary: Create a new contact list.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ContactList'
      responses:
        '200':
          description: Contact list created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
  /lists/{list_id}/import:
    post:
      tags:
      - ContactList
      operationId: listImportPost
      summary: Import contacts into a list from an uploaded file.
      parameters:
      - name: list_id
        in: path
        required: true
        schema:
          type: integer
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                file_url:
                  type: string
                field_order:
                  type: array
                  items:
                    type: string
      responses:
        '200':
          description: Contacts imported.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
  /search/contacts-lists:
    get:
      tags:
      - ContactList
      operationId: searchContactsLists
      summary: Search across contacts and lists.
      parameters:
      - name: q
        in: query
        required: true
        schema:
          type: string
      - $ref: '#/components/parameters/page'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Search results.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
components:
  parameters:
    limit:
      name: limit
      in: query
      required: false
      schema:
        type: integer
        default: 10
      description: Number of results per page.
    page:
      name: page
      in: query
      required: false
      schema:
        type: integer
        default: 1
      description: Page number for paginated results.
  schemas:
    ApiResponse:
      type: object
      properties:
        http_code:
          type: integer
          example: 200
        response_code:
          type: string
          example: SUCCESS
        response_msg:
          type: string
        data:
          type: object
    ContactList:
      type: object
      properties:
        list_name:
          type: string
      required:
      - list_name
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic authentication using your ClickSend username and API key. The username is your ClickSend account username; the password is your API key from the ClickSend dashboard.