CheezeePay API Technical Documentation - India

Fiat currency payment order inquiry

# Request URL

  • POST https://test2-openapi.91fafafa.com/api/payment/india/order/query

# Request parameters

Parameter Type Required Description Example
appId string Y MerchantappId B2iwKFIM4tvo
merchantId string Y MerchantId CH10001165
orderNo string Y orderNo 1768261003399663616
orderNoType string Y Ordernumbertype
merchant-merchantordernumber
platform-platformordernumber		 merchant
timestamp long Y Timestamp(milliseconds) 1710385869989
sign string Y sign KDvgD7z+ER5uNnR/IiiShowSaGXkYxaBXxRtg+25Q1at
UUcu/zikMfSDUJxBXIdNo9Bdk7QbjWFjHe/l4j6mR3wY
Jit0NRmeql7VW1VB4GUEpRE/zijX2JLhag0bvhBYZr3V
rlGvIlJUA+Dms0PmliUJBrAFqGtR/SOYM6wSRaNgtg9z
NPZKuSf4PT1qxWh7Bd5Kxs06crExm4Iw/+2aJiGwprdU
vo8veJkHlnoMeG7KWila8J/Fjot+TSN+37VXwfUYzC4s
Nysm4SLoXLnQsqF7GBNAXImkokeRfPcFCCxVDlPbizMZ
t35mVBh7u5bAoY4cZYZV5eMPw8ocyiEMZw==

# Example of request message

{
  "appId": "B2iwKFIM4tvo",
  "merchantId": "CH10001165",
  "orderNo": "1768261003399663616",
  "orderNoType": "platform",
  "timestamp": "1710385869989",
  "sign": "KDvgD7z+ER5uNnR/IiiShowSaGXkYxaBXxRtg+25Q1atUUcu/zikMfSDUJxBXIdNo9Bdk7QbjWFjHe/l4j6mR3wYJit0NRmeql7VW1VB4GUEpRE/zijX2JLhag0bvhBYZr3VrlGvIlJUA+Dms0PmliUJBrAFqGtR/SOYM6wSRaNgtg9zNPZKuSf4PT1qxWh7Bd5Kxs06crExm4Iw/+2aJiGwprdUvo8veJkHlnoMeG7KWila8J/Fjot+TSN+37VXwfUYzC4sNysm4SLoXLnQsqF7GBNAXImkokeRfPcFCCxVDlPbizMZt35mVBh7u5bAoY4cZYZV5eMPw8ocyiEMZw=="
}

# Response parameters

Parameter Type Required Description Example
code String Y Response code
000000 for success,
others for failure		 000000
msg String Y Response description
success: successful		 success
amount String Y Order amount 1550
fee String N Handling fee 170.5
feeCurrency String N Fee currency INR
payAmount String Y Actual payment amount 1550
paymentMethod String Y Payment method LOCAL_PAY
currency String Y Transaction currency INR
settleStatus Integer Y Settlement status
0-Unsettled;
1-Settled;
2-Refunded		 1
settleFinishTime Long N Settlement completion time (epoch milliseconds) 1710385869989
paymentStatus Integer Y Payment status
0-In progress; 1-Successful;
2-Refunded; 3-Partial payment(There is no status 3 at the moment);
4-Failed		 1
paymentFinishTime Long N Payment completion time (epoch milliseconds) 1710385869989
payerUpiId String N Payer UPI Id; null if not applicable or absent null
utr String N UTR (bank transaction reference) 407429451910
paymentInfo Object N Payment / collection vehicle and related details; shaped by paymentMethodType; see paymentInfo below. May be omitted. See below
callBackStatus Integer Y Callback status
0-Not notified; 1-Notification successful;
2-Notification failed		 2
kycPass Boolean N Whether KYC verification passed; may be absent or null true
kycInfo String N KYC verification info; may be absent or null KYC name verification passed
sign String Y Signature hqvrXjE6ntfZ2Xp7VDG/aZ
fJ4QRjSN6mCmETd+fvn7uE
yLfp9qCPhWFnmXAiC2EdmN
UXluEXBcRel2k9yGk552nY
00fSjueNzMPo6rBxwIfVf5
Pcsnqjkg4p3dFluKWevc5u
rayuhwdJ2CBw/UiupdGhuA
NGvTep2aeHRM0KvfwIf823
wVba9u05zjU1zknlfEXShN
egLzU7Wm3JXb0ETNUAj8Tb
/Bdnds9+u1eUZQoPojqfxP
cZf0oieKxIRM/ID9bS3tF1
EeWeLP5rs/zp3dtKBZAvrk
yGjIzH83Optw1uzdoyhHC0
CMeo+2J1BWo4KtV06Vbj7z
pXd5h19nlleg==

# paymentInfo fields

paymentInfo carries the payment or collection instrument type plus the fields merchants need for display or settlement. paymentMethodType usually labels the rail (Current payment method types include: [UPI], [PhonePe], [Paytm], [IMPS], [Bank Transfer(India)]—use the literal returned by the platform). Merchants who do not need this data will not receive paymentInfo; it is not mandatory.

# UPI-Example parameters of payment method

Field Type Required Meaning
paymentMethodType String N example literals include [UPI]
name String N Name
upiId String N UPI Id (often exposed as upiId—follow the live field name)

# PhonePe-Example parameters of payment method

Field Type Required Meaning
paymentMethodType String N example literals include [PhonePe]
name String N Name
phoneNumber String N Phone Number

# Paytm-Example parameters of payment method

Field Type Required Meaning
paymentMethodType String N example literals include [Paytm]
name String N Name
phoneNumber String N Phone Number

# IMPS-Example parameters of payment method

Field Type Required Meaning
paymentMethodType String N example literals include [IMPS]
name String N Name
accountNumber String N Account Number / Card Number
ifscCode String N IFSC code
bankName String N Bank name
accountType String N Account Type (optional)
branchName String N Branch name

# Bank Transfer (India)-Example parameters of payment method

Field Type Required Meaning
paymentMethodType String N example literals include [Bank Transfer(India)]
name String N Name
accountNumber String N Account Number / Card Number
ifscCode String N IFSC code
bankName String N Bank name
accountType String N Account Type (optional)
branchName String N Branch name

# Successful response message example

  • Order successful response message example
{
  "msg": "success",
  "callBackStatus": 3,
  "amount": "1000.1",
  "code": "000000",
  "settleStatus": 1,
  "fee": "0.5377",
  "feeCurrency": "USDT",
  "payerUpiId": null,
  "paymentFinishTime": 1779266333000,
  "utr": "213123123212",
  "payAmount": "1000.1",
  "paymentMethod": "P2P",
  "currency": "INR",
  "settleFinishTime": 1779266335000,
  "paymentStatus": 1,
  "paymentInfo": {
    "paymentMethodType": "[Bank Transfer(India)]",
    "name": "cindy wu",
    "accountNumber": "987654321",
    "ifscCode": "123",
    "bankName": "aa",
    "accountType": "1",
    "branchName": "aaa"
  },
  "kycPass": true,
  "kycInfo": "KYC name verification passed",
  "sign": "Cyp6PVnnG+cKGWGUw3HMCk1DZWhAL9vmvVbC0NjzuQLFeJ+XU/NiWaRqA/DoI/z0xjKNIsk3Nrkw6R8T+l1dTY0Xj2CQjjzrFeVn2jZ8XxdA9ScecfT7OQ4i+CxAQGemHAre21OlU+cJnvvlIy4xUSl7Tw5vuTsH2jF7G/mk2RFdbdfdo+iwgZ6qSFz9bLsCep3hPR25zgs2PnY97X0QUGqIZ0/HszwolELGhrZRkF1ZWe2wpVD6v07FHg7XShaHof2/XR81h5uyS264E7p1YYpU0jjgmJdn4EzB4p0IkCnVRzKoe9vTrRKj7+cKnbf7JGBiTfEIc4aa/7D+iMRKyQ=="
}
  • Order failed response message example
{
  "code": "A0340",
  "msg": "sign error! (A0340)",
  "data": null
}

# Code implementation demo

  • Code examples are for reference only, please refer to the request parameter description for specific parameters.
import com.google.gson.Gson;
import okhttp3.*;

import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.Map;

public class PaymentMerchantOrderDemo {

    /**
     * Platform public key
     */
    private static final String PLAT_PUBLIC_KEY ="MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1dad35S74jfLPbHJh8P0jDHiTvkxwrtITK97ovVu19B24UdiHyHoEZgtNlS6alFQj1ULQ71d6EPh2rWCNkS2b5HGQXwDYBtwvesVQ8h4Sf3eVPTTLGw3BS7Os4vtDEN6BezMdv3sUG2N5i6JF+5H4CQTq3MD2Cx6u/Cv7oFOdFqeDT0AH+TR7uyZxn69OtkJaHHr834EUcdShJKKMQtbC11WCcut7ilDUgdvZnThiVTq7cfl8mcC9FDKcQ9bMWamScWIB5cJQdUW23Kr0c1NvZlpgPS8U5VODM4Uc4muHJPD2cJmquuJ+4AGP36rEk27lUB3h7B6JI1QGiuh1yyPDwIDAQAB";

    /**
     * Merchant's private key
     */
    private static final String MCH_PRIVATE_KEY  ="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";

    /**
     * apiUrl
     */
    private static final String API_URL = "https://test2-openapi.91fafafa.com/api/payment/india/order/query";

    public static void main(String[] args) throws Exception {
        utrSupplementaryOrder();
    }


    private static void utrSupplementaryOrder() throws Exception {
        Map<String, Object> requestParams = new HashMap<>();
        requestParams.put("appId", "B2iwKFIM4tvo");
        requestParams.put("merchantId", "CH10001165");
        requestParams.put("orderNo", "20240407170755");
        requestParams.put("orderNoType", "merchant");
        Long timestamp = System.currentTimeMillis();
        requestParams.put("timestamp", timestamp);

        // Private key encryption
        String sign = CheeseTradeRSAUtil.getSign(requestParams, MCH_PRIVATE_KEY);
        requestParams.put("sign", sign);
        
        Gson gson = new Gson();
        String requestBody = gson.toJson(requestParams);
        System.out.println("Post Json Params:" + requestBody);

        // Send a request and get a response
        OkHttpClient client = new OkHttpClient();
        MediaType mediaType = MediaType.parse("application/json; charset=utf-8");
        RequestBody body = RequestBody.create(mediaType, requestBody);
        Request request = new Request.Builder()
            .url(API_URL)
            .post(body)
            .addHeader("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36")
            .build();
        Response response = client.newCall(request).execute();
        if (!response.isSuccessful()) {
            // Failure handling...
            System.out.println("Request failed: " + response.code() + " - " + response.message());
        }

        // Signature verification processing
        String responseBody = response.body().string();
        System.out.println("Response: " + responseBody);
        Type type = new com.google.gson.reflect.TypeToken<Map<String, Object>>() {}.getType();
        Map<String, Object> map = gson.fromJson(responseBody, type);
        boolean verifyResult = CheeseTradeRSAUtil.verifySign(map, PLAT_PUBLIC_KEY);
        if (verifyResult) {
            Object kycPass = map.get("kycPass");
            Object kycInfo = map.get("kycInfo");
            // ... If signature verification is successful, process normal business logic.
            Object paymentInfoObj = map.get("paymentInfo");
            if (paymentInfoObj instanceof Map) {
                @SuppressWarnings("unchecked")
                Map<String, Object> paymentInfo = (Map<String, Object>) paymentInfoObj;
                System.out.println("paymentMethodType: " + paymentInfo.get("paymentMethodType"));
                System.out.println("name: " + paymentInfo.get("name"));
                System.out.println("accountNumber: " + paymentInfo.get("accountNumber"));
                System.out.println("ifscCode: " + paymentInfo.get("ifscCode"));
                System.out.println("bankName: " + paymentInfo.get("bankName"));
                System.out.println("accountType: " + paymentInfo.get("accountType"));
                System.out.println("branchName: " + paymentInfo.get("branchName"));
            }
        } else {
            // ... Signature verification error
        }
        response.close();
    }
}

<?php

   // Platform public key, obtained from key configuration
    $platPublicKey = '-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1dad35S74jfLPbHJh8P0jDHiTvkxwrtITK97ovVu19B24UdiHyHoEZgtNlS6alFQj1ULQ71d6EPh2rWCNkS2b5HGQXwDYBtwvesVQ8h4Sf3eVPTTLGw3BS7Os4vtDEN6BezMdv3sUG2N5i6JF+5H4CQTq3MD2Cx6u/Cv7oFOdFqeDT0AH+TR7uyZxn69OtkJaHHr834EUcdShJKKMQtbC11WCcut7ilDUgdvZnThiVTq7cfl8mcC9FDKcQ9bMWamScWIB5cJQdUW23Kr0c1NvZlpgPS8U5VODM4Uc4muHJPD2cJmquuJ+4AGP36rEk27lUB3h7B6JI1QGiuh1yyPDwIDAQAB
-----END PUBLIC KEY-----';

    // Merchant private key, generated by the merchant himself
    $mchPrivateKey = '-----BEGIN PRIVATE KEY-----
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
-----END PRIVATE KEY-----';
    
    // parameter
    $appId = 'B2iwKFIM4tvo';
    $merchantId = 'CH10001165';
    $orderNo = '1768261003399663616';
    $orderNoType = 'platform';
    $timestamp = floor(microtime(true) * 1000);
   
    $params = array(
        'appId' => $appId,
        'merchantId' => $merchantId,
        'orderNo' => $orderNo,
        'orderNoType' => $orderNoType,
        'timestamp' => $timestamp
    );

    // Splicing parameters
    $str = ConnectStrings($params);
    echo $str;


    $sign = genSign($str, $mchPrivateKey);
    echo $sign . "\n";
    $params['sign'] = $sign;

    $params_string = json_encode($params);
    $url = 'https://test2-openapi.91fafafa.com/api/payment/india/order/query';
    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
    curl_setopt($ch, CURLOPT_POSTFIELDS, $params_string);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
		'User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36',
        'Content-Type: application/json',
        'Content-Length: ' . strlen($params_string))
    );
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

    //execute post
    $request = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);

    if($httpCode == 200)
    {
        $result = json_decode($request, true);
        if($result['msg'] == "success"){
            echo "response:" . "{code :". $result['code'] . ",";
            echo "msg :". $result['msg'] . ",";
            echo "amount :". $result['amount'] . ",";
            echo "fee :". $result['fee'] . ",";
            echo "feeCurrency :". $result['feeCurrency'] . ",";
            echo "payAmount :". $result['payAmount'] . ",";
            echo "paymentMethod :". $result['paymentMethod'] . ",";
            echo "currency :". $result['currency'] . ",";
            echo "settleStatus :". $result['settleStatus'] . ",";
            echo "paymentFinishTime :". $result['paymentFinishTime'] . ",";
            echo "settleFinishTime :". $result['settleFinishTime'] . ",";
            echo "paymentStatus :". $result['paymentStatus'] . ",";
            echo "payerUpiId :". json_encode($result['payerUpiId'] ?? null) . ",";
            echo "utr :". $result['utr'] . ",";
            echo "paymentInfo :". json_encode(isset($result['paymentInfo']) ? $result['paymentInfo'] : null, JSON_UNESCAPED_UNICODE) . ",";
            echo "kycPass :". json_encode($result['kycPass'] ?? null) . ",";
            echo "kycInfo :". json_encode($result['kycInfo'] ?? null) . ",";
            echo "callBackStatus :". $result['callBackStatus'] . ",";
            echo "sign :". $result['sign'] . "}" . "\n";
    
            $sign = $result['sign'];
            unset($result['sign']);
            $string = ConnectStrings($result);
            $decryptStr = verifySign($string, $sign, $platPublicKey);
            echo "decryptStr :". $sign, $platPublicKey . "\n";
        }
        else {
            echo "response:" . "{success :". "false" . ",";
            echo "code :". $result['code'] . ",";
            echo "msg :". $result['msg'] . ",";
            echo "data :". "null" . "}" . "\n";
        }
    }
    else {
        echo $httpCode;
    }

//Concatenating strings
 function ConnectStrings($params)
{
    // Get all the keys of the map and sort them
    $keys = array_keys($params);
    sort($keys);

    // Traverse the key list, get the corresponding value, and concatenate it into a string
    $str = '';

    foreach ($keys as $key) {
        $str .=  $key . '=' . $params[$key] . '&';
    }
    $str = rtrim($str, '&');
    return $str;
}  

    //Generate signature
function genSign($toSign, $privateKey){
    $key = openssl_get_privatekey($privateKey);
    openssl_sign($toSign, $signature, $key, OPENSSL_ALGO_SHA256);
    openssl_free_key($key);
    $sign = base64_encode($signature);
    return $sign;
}

//Verify signature
function verifySign($data, $sign, $pubKey){
    $sign = base64_decode($sign);
    $key = openssl_pkey_get_public($pubKey);
    $result = openssl_verify($data, $sign, $key, OPENSSL_ALGO_SHA256) === 1;
    return $result;
}

?>

const AXIOS= require('axios');
//The functions of the introduced signature tool class (CheeseTradeRSAUtil). 
//The signature tool class can refer to the DEMO in "Signature & Verification Algorithm"
const  { getSign, verifySign }= require('./CheeseTradeRSAUtil');

// Platform public key
const platPublicKey = `-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1dad35S74jfLPbHJh8P0jDHiTvkxwrtITK97ovVu19B24UdiHyHoEZgtNlS6alFQj1ULQ71d6EPh2rWCNkS2b5HGQXwDYBtwvesVQ8h4Sf3eVPTTLGw3BS7Os4vtDEN6BezMdv3sUG2N5i6JF+5H4CQTq3MD2Cx6u/Cv7oFOdFqeDT0AH+TR7uyZxn69OtkJaHHr834EUcdShJKKMQtbC11WCcut7ilDUgdvZnThiVTq7cfl8mcC9FDKcQ9bMWamScWIB5cJQdUW23Kr0c1NvZlpgPS8U5VODM4Uc4muHJPD2cJmquuJ+4AGP36rEk27lUB3h7B6JI1QGiuh1yyPDwIDAQAB
-----END PUBLIC KEY-----`;

// Merchant private key
const mchPrivateKey = `-----BEGIN PRIVATE KEY-----
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
-----END PRIVATE KEY-----`;


// Request Parameters
const params =
    {
        appId:'B2iwKFIM4tvo',
        merchantId : 'CH10001165',
        orderNo : '1768261003399663622',
        orderNoType : 'platform',
        timestamp : Date.now()
    };

//------------- MAIN -------
//payin order query interface URL
const url = 'https://test2-openapi.91fafafa.com/api/payment/india/order/query';

const sign = getSign(params, mchPrivateKey);
console.log('Generated signature:', sign);
params.sign = sign;
sendRequestAndVerify(url,params);

//POST Request
async function sendRequestAndVerify(apiUrl, requestBody) {
    try {
        // send POST Request
        const response = await AXIOS.post(apiUrl, requestBody, {
            headers: {
                'Content-Type': 'application/json; charset=utf-8',
                'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36',
            },
        });

        // Check if the request was successful
        if (response.status !== 200) {
            console.error(`Request failed: ${response.status} - ${response.statusText}`);
            return;
        }

        // Get the response body
        const responseBody = response.data;
        console.log('Response:', responseBody);

        // Signature verification
        const verifyResult = verifySign(responseBody,platPublicKey);
        if (verifyResult) {
            console.log('Successful signature verification');
            console.log('kycPass:', responseBody.kycPass);
            console.log('kycInfo:', responseBody.kycInfo);

            if (responseBody.paymentInfo) {
                console.log('paymentInfo:', responseBody.paymentInfo);
            }
        } else {
            console.error('Signature verification error');
        }
    } catch (error) {
        console.error('Request failed:', error.message);
    }
}

Fiat Currency Payment UTR supplementary order