Recurring Billing Key Issuance API

Issues a recurring billing key (BillKey) for subscription payments. Call this API after checkout authentication completes to obtain a key for future recurring charges.

Test Credentials


API Information

POST/APIRegularpayKey.do
Content-Typeapplication/json; charset=UTF-8
테스트https://tbezauthapi.settlebank.co.kr/APIRegularpayKey.do
운영https://ezauthapi.settlebank.co.kr:8081/APIRegularpayKey.do

Request Parameters

타입 표기법
N숫자A영문H한글AN영문+숫자AHN영문+한글+숫자
예: AN(10) = 영문+숫자, 최대 10byte
└hdInfoAN(50)Alphanumeric, up to 50 bytes*
Message type code.
*Fixed value
└apiVerAN(4)Alphanumeric, up to 4 bytes*
API version.
*Fixed value
└mercntIdAN(8)Alphanumeric, up to 8 bytes*
Unique merchant identifier assigned by Hecto Financial.
└authNoAN(20)Alphanumeric, up to 20 bytes*
Authentication number received from the checkout callback.
└reqDayN(8)Numeric, up to 8 bytes*
Request date (yyyyMMdd).
└reqTimeN(6)Numeric, up to 6 bytes*
Request time (HH24MISS).
└signatureAN(200)Alphanumeric, up to 200 bytes*SHA-256(실시간 생성)
SHA-256 hash value for tamper protection.
NOTE

Signature Composition

mercntId + authNo + reqDay + reqTime + hashKey

Response Parameters

└resultCdN(1)Numeric, up to 1 bytes*0
Result code.
0: Success -1: Failure
└errCdAN(5)Alphanumeric, up to 5 bytes*0000
Error code. See error code reference.
└resultMsgAN(200)Alphanumeric, up to 200 bytes*Success
Human-readable result message.
└mercntIdAN(8)Alphanumeric, up to 8 bytes*ms00003t
Merchant ID assigned by Hecto Financial.
└ordNoAN(100)Alphanumeric, up to 100 bytes*OID201902210001
Order number associated with this billing key.
└trNoAN(50)Alphanumeric, up to 50 bytes*STFP_PNPTms00001t00220922182409M1962430
Hecto Financial transaction reference number.
└trDayN(8)Numeric, up to 8 bytes*20190221
Transaction date (yyyyMMdd).
└trTimeN(8)Numeric, up to 8 bytes*142120
Transaction time (HH24MISS).
└regularpayKeyAN(32)Alphanumeric, up to 32 bytes*
Recurring billing key (BillKey). Store securely and use for subsequent recurring charges.
└bankAcctNoAN(20)Alphanumeric, up to 20 bytes123*****789
Masked bank account number.
└bankCdAN(3)Alphanumeric, up to 3 bytes011
Bank code.
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