Checkout Reference

Jenga Payment Gateway is a solution that offers e-commerce merchants and their customers a secure mode of payment through various payment channels.

Jenga Payment Gateway functions by aggregating different digital payment channels available in the market to provide a single interface to users. It is hosted in the cloud and merchants integrate it with their websites by including provided resource files.

Supported payment channels

Mobile Money i.e MPESA and Equitel
Cards
Pay with bank account

Generating and using tokens

This is the first step before interacting with JengaPGW. The token generated at this step is used for subsequent interactions.
Here's an example request and response that you'll get when you call the Get Your JengaPGW Access Token API.

POST /authenticate/merchant HTTP/1.1
Api-Key: WDZZMlVvbloyQkdsVTBDSEpHb3FmSHJmVTBzZXo4Ym06R3pocmptWUtqUm4ySFRXeQ==
Content-Type: application/json
 
{
    "merchantCode": "9397187322",
    "consumerSecret": "U7R1smPWwPa61979lHPWbsD52Pmsk9"
}

200 OK

{
    "accessToken": "eyJhbGciOiJSUzUxMiJ9.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.EAR6W-LhAcnZQAy3ni7vWXhrwvBa_P9VTFSvRRNUjueFINV8mZ_CLyIXdZIsEiB7NdGfqXwtKV8o-KgdiGMeBjFeO4xVhLmaRn0_07vTGdz8j4nXhp1pACHYlZN72I7bugnyOu1h-c0TBF56AbHVml4lOMCFS8eKlHL8XO2WqVBRJDoA3tekPzJM8fmq9KnGIxv00v1_wdEtDh7UrFnJMqdNKMtb2t6JZ4bRliXyjduoQNHRt_B7vLJrsT0eZHJ37YE9mEf1y9MhywUfb7PN1xsjmeKICv_xgwK8kwKkoWTykZTKY6CfJupOq7XJsvviPN8tGm2X1nwa-5GasAjpAw",
    "refreshToken": "ryRifZbH+JWvhDTFa1GqJkKBGuFMvfioRcJraAVIEsZm0fN80ttNz3B+1Niu10LTCZnG5k9BWVkq8GEPmIQHVA==",
    "expiresIn": "2021-06-29T09:10:01Z",
    "issuedAt": "2021-06-29T08:55:01Z",
    "tokenType": "Bearer"
}

Integrating Jenga Payment Gateway

Payment parameters

Parameter	Meaning	Mandatory	Sample
token	The payment token generated in the previous step	YES	xccuUjuysdsnvtloPWqiT
merchantCode	The merchant code provided at registration. Use the merchant code provided during token generation.	YES	9837446275
wallet	The wallet to be used for the transaction	YES if currency is not provided
currency	The currency for the Transaction	YES if wallet is not provided
amount	The value of the transaction.	YES
orderReference	The merchant order reference. Min 8 characters It has to be alphanumeric	YES	4yTr67j
productType	Product category	YES
productDescription	A brief summary of the product. max 200 characters	YES
extraData	This data will be echoed back during callback url	YES
paymentTimeLimit	Duration payment is valid	NO	15mins
customerFirstName	The customer's First Name	YES
customerLastName	The customer's Last Name	YES
customerPostalCodeZip	Customer’s postal code	YES
customerAddress	Customer’s address	YES
customerEmail	Customer email address	YES
customerPhone	Customer phone number	YES
callbackUrl	Merchant callback url	YES
countryCode	Country code	YES	KE
signature	Security signature	NO	merchantCode+orderReference+currency+orderAmount+callbackUrl

Integration

The form field names used are as described above in the payment parameters. Implement the hidden form exactly as the sample code below demonstrates.

Endpoint	Base Path	Dependency	Functionality	Method
/processPayment	Not Applicable	Token Generation	Integrate the payment widget	POST

<form id="submitcheckout" action="https://v3-uat.jengapgw.io/processPayment" method="POST">   
     <input type="hidden" id="token" name="token"> 
     <input type="hidden" id="merchantCode" name="merchantCode">  
     <input type="hidden" id="wallet" name="wallet">  
     <input type="hidden" id="currency" name="currency">  
     <input type="hidden" id="orderAmount" name="orderAmount"> 
     <input type="hidden" id="orderReference" name="orderReference"> 
     <input type="hidden" id="productType" name="productType">  
     <input type="hidden" id="productDescription" name="productDescription"> 
     <input type="hidden" id=" paymentTimeLimit " name=" paymentTimeLimit ">  
     <input type="hidden" id="customerFirstName" name="customerFirstName">  
     <input type="hidden" id="customerLastName" name="customerLastName">  
     <input type="hidden" id="customerPostalCodeZip" name=" customerPostalCodeZip ">  
     <input type="hidden" id="customerAddress" name=" customerAddress "> 
     <input type="hidden" id="customerEmail" name="customerEmail" >
     <input type="hidden" id="customerPhone" name="customerPhone">
     <input type="hidden" id="extraData" name="extraData">  
     <input type="hidden" id="callbackUrl" name="callbackUrl">  
     <input type="hidden" id="countryCode" name="countryCode">  
     <input type="hidden" id="signature" name="signature" value="merchantCode+orderReference+currency+orderAmount+callbackUrl">  
</form>

Payment Response

Once the payment is complete the user is redirected to the callback_url specified by you. A set of parameters is passed in response (using GET).

POST field name	Data type	Description
transactionId	string
status	string	transaction status: - `paid` - transaction has been successfully performed.
date	string	transaction date in yyyy-MM-dd'T'HH:mm:ss.SSSz format.
desc	string	channel used to make payment; - CARD - EQUITEL - MPESA - AIRTEL
amount	string	transaction amount.
orderReference	string	merchant order reference – it is the same value you sent in the request.
hash	string	security hash.
extraData	string	any metadata that is associated with the request.