openapi: 3.1.0 info: title: Interswitch Recharge Airtime Providers 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: Providers paths: /lending-service/api/v1/offers/providers: get: tags: - Providers summary: List Loan Providers operationId: listLoanProviders responses: '200': description: Available lenders. content: application/json: schema: type: array items: type: object properties: providerId: type: string name: type: string products: type: array items: type: string components: securitySchemes: InterswitchAuth: type: apiKey in: header name: Authorization