openapi: 3.1.0 info: title: Interswitch Recharge Airtime E-Pins 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: E-Pins paths: /api/v2/quickteller/payments/advices/epin: post: tags: - E-Pins summary: Purchase E-Pin Voucher description: Purchase recharge e-pins instead of direct top-up. operationId: purchaseEpinVoucher requestBody: required: true content: application/json: schema: type: object required: - paymentCode - quantity - amount - requestReference properties: paymentCode: type: string quantity: type: integer amount: type: integer requestReference: type: string responses: '200': description: E-pin batch. content: application/json: schema: type: object properties: responseCode: type: string pins: type: array items: type: object properties: pin: type: string serial: type: string expiry: type: string format: date components: securitySchemes: InterswitchAuth: type: apiKey in: header name: Authorization