Nagad Uddokta API

孟加拉国代理钱包

Nagad Uddokta 代理/分销商钱包（孟加拉国）—— PIN + 短信 OTP 登录（含可选的 *167# 换设备步骤）、余额、交易历史与详情、账户/手续费查询、代理 Cash-In，以及沿分销树上下的 B2B 转账。

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概览

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基础 URL： https://api.openbankinggateway.com — 所有响应均采用统一的 {code, data} 结构。

会话流程： 完成登录端点即可获得网关 token，随后在每个需要鉴权的端点以 token= 传入。

透明性： 每个响应（无论成功或失败）都在 data.upstream 下附带原始的上游金融科技 JSON。

在下方任意端点填入参数并点击 Send request 即可调用在线网关，或复制 curl 示例在终端中运行。

Auth

POST/api/nagad-uddokta/login/request-otp

Dispatch SMS OTP or signal *167# device-change

Parameter	In	Value
`account`*	query
`pinCode`*	query

curl -X POST 'https://api.openbankinggateway.com/api/nagad-uddokta/login/request-otp?account=01900000001&pinCode=2002'

POST/api/nagad-uddokta/login/verify-ussd-otp

Submit the *167# device-change USSD code

Parameter	In	Value
`account`*	query
`ussdOtp`*	query

curl -X POST 'https://api.openbankinggateway.com/api/nagad-uddokta/login/verify-ussd-otp?account=01900000001&ussdOtp=<ussdOtp>'

POST/api/nagad-uddokta/login/verify-otp

Verify OTP and issue a session token

Parameter	In	Value
`account`*	query
`otp`*	body
`uid`	body

curl -X POST 'https://api.openbankinggateway.com/api/nagad-uddokta/login/verify-otp?account=01900000001' \ -H 'Content-Type: application/json' \ -d '{"otp":"521350"}'

POST/api/nagad-uddokta/login/verify-otp-sms

Verify login from the raw SMS body

Parameter	In	Value
`account`*	query
`smsText`*	body

curl -X POST 'https://api.openbankinggateway.com/api/nagad-uddokta/login/verify-otp-sms?account=01900000001' \ -H 'Content-Type: application/json' \ -d '{"smsText":"<smsText>"}'

Account

GET/api/nagad-uddokta/balance

Wallet balance and commission (token required)

Parameter	In	Value
`token`*	query

curl -X GET 'https://api.openbankinggateway.com/api/nagad-uddokta/balance?token=<token>'

GET/api/nagad-uddokta/transaction-history

Paged transaction history (token required)

Parameter	In	Value
`token`*	query
`page`	query

curl -X GET 'https://api.openbankinggateway.com/api/nagad-uddokta/transaction-history?token=<token>&page=1'

GET/api/nagad-uddokta/transaction-detail

Single transaction detail (token required)

Parameter	In	Value
`token`*	query
`txnId`*	query
`approvalDate`*	query

curl -X GET 'https://api.openbankinggateway.com/api/nagad-uddokta/transaction-detail?token=<token>&txnId=<txnId>&approvalDate=20260722'

Transfer

GET/api/nagad-uddokta/validate-account

Check a destination is a registered wallet

Parameter	In	Value
`token`*	query
`destMobile`*	query

curl -X GET 'https://api.openbankinggateway.com/api/nagad-uddokta/validate-account?token=<token>&destMobile=01800000001'

GET/api/nagad-uddokta/fee-commission

Preview fee / commission / net for a cash-in

Parameter	In	Value
`token`*	query
`destMobile`*	query
`amount`*	query
`txType`	query

curl -X GET 'https://api.openbankinggateway.com/api/nagad-uddokta/fee-commission?token=<token>&destMobile=01800000001&amount=500'

POST/api/nagad-uddokta/cash-in

Cash-In transfer to a customer wallet

Parameter	In	Value
`token`*	query
`destAccountNo`*	query
`amount`	query

curl -X POST 'https://api.openbankinggateway.com/api/nagad-uddokta/cash-in?token=<token>&destAccountNo=01800000001&amount=500'

POST/api/nagad-uddokta/b2b-to-child

B2B transfer down to a child agent

Parameter	In	Value
`token`*	query
`destAccountNo`*	query
`amount`*	query

curl -X POST 'https://api.openbankinggateway.com/api/nagad-uddokta/b2b-to-child?token=<token>&destAccountNo=01900000042&amount=25000'

POST/api/nagad-uddokta/b2b-to-parent

B2B transfer up to the parent/distributor

Parameter	In	Value
`token`*	query
`amount`*	query

curl -X POST 'https://api.openbankinggateway.com/api/nagad-uddokta/b2b-to-parent?token=<token>&amount=50000'