UPI COLLECT

Request Details

Parameter Name	Data Type	Mandatory	Description
`merchantOrderId`	String	yes	Unique order ID generated by merchant
`amount`	long	yes	Amount of order in Paisa
`contraints`	List<InstrumentConstraint>	yes	Different type of constraints that must be applied to the payment
`VPA`	String	Yes	VPA against which collect request need to be raised

Sample Request for Upi Collect Pay Via Phone Number

public async Task<IActionResult> CustomPay()
{
    var merchantOrderID = $"Order_{DateTime.UtcNow:yyyyMMddHHmmssfff}";

    var metaInfo = MetaInfo.Builder()
        .SetUdf1("free-text-value-1")
        .SetUdf2("free-text-value-2")
        .SetUdf3("free-text-value-3")
        .SetUdf4("free-text-value-4")
        .SetUdf5("free-text-value-5")
        .SetUdf6("free-text-value-6")
        .SetUdf7("free-text-value-7")
        .SetUdf8("free-text-value-8")
        .SetUdf9("free-text-value-9")
        .SetUdf10("free-text-value-10")
        .SetUdf11("ref_11")
        .SetUdf12("tag-12")
        .SetUdf13("user@13")
        .SetUdf14("code.14")
        .SetUdf15("val+15")
        .Build();

    var payRequest = PgPaymentRequest.UpiIntentPayRequestBuilder()
        .SetMerchantOrderId(merchantOrderID)
        .SetAmount(100)
        .SetDeviceOS("IOS")
        .SetTargetApp("PHONEPE")
        .SetMerchantCallBackScheme("")
        .SetMetaInfo(metaInfo)
        .SetExpireAfter(300)
        .Build();

    try
    {
        var response = await _customCheckoutClient.Pay(payRequest);
        return Ok(response);  // Extract response.IntentUrl
    }
    catch (Exception ex)
    {
        _logger.LogError(ex, "Custom Pay API Failed");
        return StatusCode(500, new { message = ex.Message });
    }
}

Upi Collect Pay Via VPA

public async Task<IActionResult> CustomPay()
{
    var merchantOrderID = $"Order_{DateTime.UtcNow:yyyyMMddHHmmssfff}";

    var metaInfo = MetaInfo.Builder()
        .SetUdf1("free-text-value-1")
        .SetUdf2("free-text-value-2")
        .SetUdf3("free-text-value-3")
        .SetUdf4("free-text-value-4")
        .SetUdf5("free-text-value-5")
        .SetUdf6("free-text-value-6")
        .SetUdf7("free-text-value-7")
        .SetUdf8("free-text-value-8")
        .SetUdf9("free-text-value-9")
        .SetUdf10("free-text-value-10")
        .SetUdf11("ref_11")
        .SetUdf12("tag-12")
        .SetUdf13("user@13")
        .SetUdf14("code.14")
        .SetUdf15("val+15")
        .Build();

    var payRequest = PgPaymentRequest.UpiCollectPayViaVpaRequestBuilder()
        .SetMerchantOrderId(merchantOrderID)
        .SetAmount(100)
        .SetVpa("test@upi")
        .SetDeviceOS("IOS")
        .SetMetaInfo(metaInfo)
        .SetExpireAfter(300)
        .SetMessage("Test UPI Collect")
        .Build();

    try
    {
        var response = await _customCheckoutClient.Pay(payRequest);
        return Ok(response);
    }
    catch (Exception ex)
    {
        _logger.LogError(ex, "Custom Pay API Failed");
        return StatusCode(500, new { message = ex.Message });
    }
}

Response

The function will raise the collect request to the above mentioned vpa.

Property	Type	Description
`orderId`	String	Order Id created by PhonePe
`state`	String	State of the order. Initially it will be PENDING.
`expireAt`	Long	Order expire date in epoch