Merchant API Documentation
  1. Account interface
Merchant API Documentation
  • Interface description
    • Interface encryption and decryption instructions
  • Account interface
    • Account Balance
      POST
    • Dpt Transfer Card Account
      POST
    • Card account exchange
      POST
    • Exchange rate inquiry
      POST
  • Vcc interface
    • Scene list query
      POST
    • Cardbin query
      POST
    • Apply for a Card Opening
      POST
    • Cancel Card Application
      POST
    • Recharge
      POST
    • Card Inquiry
      POST
    • Transaction Inquiry
      POST
    • Refund
      POST
    • Shared Card Application
      POST
    • Shared Card Pagination Query
      POST
    • Shared Card Inquiry
      POST
    • Shared Card Status Change
      POST
    • Card Information Modification
      POST
    • Cardholder Application
      POST
    • Cardholder Details Inquiry
      POST
    • Cardholder Deletion
      POST
    • Card Operation Order Inquiry
      POST
    • Card Pagination Query
      POST
  • Pcc interface
    • Card Assign
      POST
    • Card Active
      POST
    • Card Pin Reset
      POST
  • Dpt interface
    • Digital currency acquiring
    • Digital Withdraw
  • Webhook notification
    • Webhook Notification
    • Transaction Result Notification type = card_transaction
    • Order Result Notification type = card_operate
    • Transaction fee type = trade_fee
    • 3ds notification type = card_3ds_otp
    • Digital Currency Payment Collection Notification type=dpt_payment_bill
    • Physical Card ActiveCode Notify type=card_activation_code
    • Physical Card Activation Status type=card_activation_status
  • Appendix
    • Transaction Type
    • Transaction Response Code
    • Currency
    • Mobile phone prefix
    • American State Two-letter Code
    • Country Code
  1. Account interface

Exchange rate inquiry

Developing
POST
/openapi/account/exchange-rate/query

Request

Body Params application/json

Example
{
    "outCurrency": "string",
    "inCurrency": "string"
}

Request Code Samples

Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST '/openapi/account/exchange-rate/query' \
--header 'Content-Type: application/json' \
--data-raw '{
    "outCurrency": "string",
    "inCurrency": "string"
}'

Responses

🟢200Success
application/json
Body

Example
{
    "outCurrency": "string",
    "inCurrency": "string",
    "exchangeRate": 0
}
Modified at 2025-06-19 08:18:10
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Card account exchange
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Scene list query
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