openapi: 3.1.0
info:
  title: Interswitch Recharge Airtime Billers API
  description: 'Virtual top-up (direct airtime and data) and e-pin voucher delivery for

    MTN, Airtel, Glo, and 9mobile. Same biller / category / payment-item flow

    as Bills Payment; category ID `4` is reserved for airtime billers and the

    customer''s phone number is supplied as `customer_id` on the payment advice.

    '
  version: '2024-01-01'
servers:
- url: https://sandbox.interswitchng.com
  description: Sandbox
- url: https://saturn.interswitchng.com
  description: Production
security:
- InterswitchAuth: []
tags:
- name: Billers
paths:
  /api/v2/quickteller/categorys:
    get:
      tags:
      - Billers
      summary: List Biller Categories
      operationId: listBillerCategories
      responses:
        '200':
          description: Biller categories.
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
                  properties:
                    categoryId:
                      type: integer
                    categoryName:
                      type: string
  /api/v2/quickteller/categorys/{categoryId}/billers:
    get:
      tags:
      - Billers
      summary: List Billers In Category
      operationId: listBillersInCategory
      parameters:
      - in: path
        name: categoryId
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: Billers in the requested category.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Biller'
  /api/v2/quickteller/billers:
    get:
      tags:
      - Billers
      summary: List All Billers
      operationId: listBillers
      responses:
        '200':
          description: All billers.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Biller'
components:
  schemas:
    Biller:
      type: object
      properties:
        billerId:
          type: integer
        name:
          type: string
        categoryId:
          type: integer
        currencyCode:
          type: string
        customerField1:
          type: string
        customerField2:
          type: string
  securitySchemes:
    InterswitchAuth:
      type: apiKey
      in: header
      name: Authorization