| Name | Description |
|---|---|
| apiKey | The API key assigned to the merchant |
| apiSecret | The API secret assigned to the merchant. The API key and secret are confidential. Please keep them safe and do not disclose them. They are only used for generating signatures and should not be passed as parameters. |
| Name | Required | Description |
|---|---|---|
| API-KEY | Y | The API key assigned to the merchant |
| API-SIGNATURE | Y | Signature generated using the signature algorithm below |
| API-TIMESTAMP | Y | UNIX millisecond timestamp when the request is made |
| Content-Type | N | Mandatory for all POST requests, value must be application/json |
request_content + "&" + timestamp using the apiSecret key.request_content in the format of parameter name and parameter value.request_content = "param1=value1¶m2=value2¶m3=value3"request_content.request_content = "{"fiatAmt":20,"fiatCurrency":"USD"}"timestamp is the same as the API-TIMESTAMP request header, which is a millisecond-level timestamp.source = request_content + "&" + timestamp