OPEN API 설계 지침
https://swalloow.github.io/open-api-guide/
네이버 SMS API
https://www.ncloud.com/product/applicationService/sens
https://blog.naver.com/treasure7008/222840375364
우리은행 테스트베드
https://developer.wooribank.com/testbed-console#!/List32of32APIs/oai_wb_v1_trans_executeWooriAcctToOtherAcct
카카오 OPEN API 문서 예
https://apis.map.kakao.com/web/documentation/
OPEN Bank API
https://apiexplorer-ii-sandbox.openbankproject.com/operationid/OBPv3.0.0-getPrivateAccountIdsbyBankId?version=OBPv5.1.0
https://github.com/OpenBankProject/OBP-API
https://www.openbankproject.com/getting-started/
https://apiexplorersandbox.openbankproject.com/?version=3.0.0