openapi: 3.1.0 info: title: Interswitch Recharge Airtime Tokenization 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: Tokenization paths: /api/v2/purchases/validations/recurrents: post: tags: - Tokenization summary: Tokenize Card For Recurring description: Replace sensitive card data with a unique payment token that can be used for future recurring charges. operationId: tokenizeCardForRecurring requestBody: required: true content: application/json: schema: type: object required: - transactionRef - authData properties: transactionRef: type: string authData: type: string description: Encrypted card payload. customerId: type: string amount: type: integer description: Optional zero-value or minor-unit verification amount. currency: type: string responses: '200': description: Token created. content: application/json: schema: type: object properties: token: type: string tokenExpiryDate: type: string format: date cardBin: type: string cardLast4: type: string responseCode: type: string components: securitySchemes: InterswitchAuth: type: apiKey in: header name: Authorization