openapi: 3.1.0 info: title: Interswitch Recharge Airtime Loans 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: Loans paths: /lending-service/api/v1/loans/{loanId}/fund: post: tags: - Loans summary: Fund Loan description: Disburse accepted loan funds to the borrower. operationId: fundLoan parameters: - in: path name: loanId required: true schema: type: string responses: '200': description: Funded. /lending-service/api/v1/loans/{loanId}/debit: post: tags: - Loans summary: Debit Loan Repayment operationId: debitLoanRepayment parameters: - in: path name: loanId required: true schema: type: string requestBody: required: true content: application/json: schema: type: object required: - amount properties: amount: type: integer paymentMethodId: type: string responses: '200': description: Debited. /lending-service/api/v1/loans/{loanId}/update: put: tags: - Loans summary: Update Loan Status operationId: updateLoanStatus parameters: - in: path name: loanId required: true schema: type: string requestBody: required: true content: application/json: schema: type: object required: - status properties: status: type: string enum: - ACTIVE - CLOSED - DEFAULTED - WRITTEN_OFF responses: '200': description: Updated. components: securitySchemes: InterswitchAuth: type: apiKey in: header name: Authorization