openapi: 3.1.0 info: title: Interswitch Recharge Airtime Demography 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: Demography paths: /insights/api/v1/customers/{customerId}/demography: get: tags: - Demography summary: Get Customer Demography operationId: getCustomerDemography parameters: - in: path name: customerId required: true schema: type: string responses: '200': description: Demographic record. content: application/json: schema: type: object properties: customerId: type: string ageBand: type: string gender: type: string state: type: string lga: type: string occupationGroup: type: string components: securitySchemes: InterswitchAuth: type: apiKey in: header name: Authorization