https://docs.borderpayafrica.com/ https://docs.borderpayafrica.com/artifacts/api/openapi-v1.yaml https://docs.borderpayafrica.com/artifacts/api/postman/BorderPay_API_v1.postman_collection.json https://docs.borderpayafrica.com/artifacts/api/curl/API_V1_CURL_COOKBOOK.md