Support Multi Currency Payments

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Before you proceed

Contact your Key Account Manager at PayU to get the following credentials:

  • Merchant Access Key
  • Merchant Secret Key

Step 1: Create request

The Lookup API needs a JSON request. Product type needs to be passed either as DCC or MCP. DCC means Direct Currency Conversion, that is, it returns the conversion prices for card currency only. To get all enabled currencies on Merchant Access Key and their conversion prices, use product type as MCP. For DCC, cardBin is mandatory, but cardBin is not required for MCP.

Direct Currency Conversion (DCC)

{
   "merchantAccessKey":"E5ABOXOWAAZNXB6JEF5Z",
   "baseAmount":{
      "value":10000.00,
      "currency":"INR"
   },
   "cardBin":"513382",
   "merchantOrderId":"OBE-JU89-13151-110",
   "productType":"DCC",
   "signature":"be5a56667354d9e2ea5ea1c6af78b0afc1894eb2"
}

To create the Lookup API request as above, use the LookupApiRequestBuilder class similar to the following code block:

String postData = new LookupRequest.LookupApiRequestBuilder()
                .setAmount("10000.00")
                .setCardBin("513382")
                .setCurrency("INR")
                .setMerchantAccessKey("E5ABOXOWAAZNXB6JEF5Z")
                .setMerchantOrderId("OBE-JU89-13151-110")
                .setProductType(LookupRequest.ProductType.DCC)
                .setSignature(hash)
                .build().prepareJSON();

 val postData = LookupRequest.LookupApiRequestBuilder()
                .setAmount("10000.00")
                .setCardBin("513382")
                .setCurrency("INR")
                .setMerchantAccessKey("E5ABOXOWAAZNXB6JEF5Z")
                .setMerchantOrderId("OBE-JU89-13151-110")
                .setProductType(LookupRequest.ProductType.DCC)
                .setSignature(hash)
                .build().prepareJSON()

Multi-currency pricing

{
   "merchantAccessKey":"E5ABOXOWAAZNXB6JEF5Z",
   "baseAmount":{
      "value":10000.00,
      "currency":"INR"
   },
   "merchantOrderId":"OBE-JU89-13151-110",
   "productType":"MCP",
   "signature":"be5a56667354d9e2ea5ea1c6af78b0afc1894eb2"
}

To create the Lookup API request for MCP, use the LookupApiRequestBuilder class similar to the following code block:

String postData = new LookupRequest.LookupApiRequestBuilder()
                .setAmount("10000.00")
                .setCurrency("INR")
                .setMerchantAccessKey("E5ABOXOWAAZNXB6JEF5Z")
                .setMerchantOrderId("OBE-JU89-13151-110")
                .setProductType(LookupRequest.ProductType.MCP)
                .setSignature(hash)
                .build().prepareJSON();

 val postData = LookupRequest.LookupApiRequestBuilder()
                .setAmount("10000.00")
                .setCurrency("INR")
                .setMerchantAccessKey("E5ABOXOWAAZNXB6JEF5Z")
                .setMerchantOrderId("OBE-JU89-13151-110")
                .setProductType(LookupRequest.ProductType.MCP)
                .setSignature(hash)
                .build().prepareJSON()

Request parameters

Parameter NameDescription
AmountTransaction Amount
Card BinFirst 6 digits of the card number
CurrencyBase Currency of Transaction
Merchant Access KeyMerchant Access Key provided by PayU
Merchant OrderIdA unique request id for the Lookup API request
Product TypeUse MCP to get all enabled currency on Merchant Access Key or DCC to get direct currency conversion for card currency
SignatureHmac SHA1 hash created with formula explained below

Create signature

To calculate signature, create the HmacSHA1 hash of the following data:

Signature =HMAC-SHA1(data, key);
Data = baseCurrency+merchantOrderId+baseAmount
Key = Secret Key shared with the merchant at the time of on-boarding
Example data,
baseCurrency = "INR"
merchantOrderId = "OBE-JU89-13151-110"
baseAmount = "10000.00"
hashString = INROBE-JU89-13151-11010000.00

Step 2: Call LookupTask

Here, this is an object of a class that implements LookupApiListener. The following is a signature of LookupApiListener:

public interface LookupApiListener {
    void onLookupApiResponse(PayuResponse payuResponse);
}

interface LookupApiListener {
    fun onLookupApiResponse(payuResponse: PayuResponse?)   
}

Step 3: Get Lookup API response

After you execute LookupTask, the onLookupApiResponse callback method is called:

@Override
public void onLookupApiResponse(PayuResponse payuResponse){    
    
    //Fetch lookup Details using below code
    LookupDetails lookupDetails = payuResponse.getLookupDetails();     
    }

override fun onLookupApiResponse(payuResponse: PayuResponse?){    
    
    //Fetch lookup Details using below code
    val lookupDetails = payuResponse.lookupDetails
    }

Updated 5 months ago