Chilkat Online Tools

Android / Binance spot API / Fetch RSA Public Key (USER_DATA)

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// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();
    boolean success;

    CkJsonObject queryParams = new CkJsonObject();
    queryParams.UpdateString("timestamp","{{timestamp}}");
    queryParams.UpdateString("signature","{{signature}}");

    http.SetRequestHeader("Content-Type","application/json");
    http.SetRequestHeader("X-MBX-APIKEY","{{binance-api-key}}");

    CkHttpResponse resp = http.QuickRequestParams("GET","https://domain.com/sapi/v1/giftcard/cryptography/rsa-public-key",queryParams);
    if (http.get_LastMethodSuccess() == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    Log.i(TAG, String.valueOf(resp.get_StatusCode()));
    Log.i(TAG, resp.bodyStr());


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}

Curl Command

curl -G -d "timestamp=%7B%7Btimestamp%7D%7D"
	-d "signature=%7B%7Bsignature%7D%7D"
	-H "Content-Type: application/json"
	-H "X-MBX-APIKEY: {{binance-api-key}}"
https://domain.com/sapi/v1/giftcard/cryptography/rsa-public-key

Postman Collection Item JSON

{
  "name": "Fetch RSA Public Key (USER_DATA)",
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "Content-Type",
        "type": "text",
        "value": "application/json"
      },
      {
        "key": "X-MBX-APIKEY",
        "value": "{{binance-api-key}}",
        "type": "text"
      }
    ],
    "url": {
      "raw": "{{url}}/sapi/v1/giftcard/cryptography/rsa-public-key?timestamp={{timestamp}}&signature={{signature}}",
      "host": [
        "{{url}}"
      ],
      "path": [
        "sapi",
        "v1",
        "giftcard",
        "cryptography",
        "rsa-public-key"
      ],
      "query": [
        {
          "key": "recvWindow",
          "value": "5000",
          "description": "The value cannot be greater than 60000",
          "disabled": true
        },
        {
          "key": "timestamp",
          "value": "{{timestamp}}",
          "description": "UTC timestamp in ms"
        },
        {
          "key": "signature",
          "value": "{{signature}}",
          "description": "Signature"
        }
      ]
    },
    "description": "This API is for fetching the RSA Public Key.\nThis RSA Public key will be used to encrypt the card code.\nPlease note that the RSA Public key fetched is valid only for the current day.\n\nWeight(IP): 1"
  },
  "response": [
  ]
}