Continue building Opencart payment extension (almost done) need urgent help

We need freelancer who can continue Opencart's custom payment gateway integration. Job is almost done, but current freelancer does not answer us and we have deadline on Monday. Selected freelancer should work on weekends and provide complete solution before Deadline.

Now payment gateway shows up on checkout page, but giving us error after redirect. Bank told us:

"You give us wrong payment avail response. Please try the format which is shown in the bellow example:

<?xml version="1.0" encoding="UTF-8"?>



















We will send documentation and other explanations.


Skills: Javascript, MySQL, Open Cart, PHP, XML

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About the Employer:
( 44 reviews ) Tbilisi, Georgia

Project ID: #19724306

20 freelancers are bidding on average $149 for this job


Hi there, OpenCart pro here to help you. I have checked your project brief very carefully and can fix the issues of your OpenCart Payment gateway. I will make necessary adjustments in code as needed. I have several More

$166 USD in 2 days
(1256 Reviews)

Hi there, i am the #1 Opencart developer, I can help you and can fix your payment gateway before deadline. Send more detail, award project and create milestone. Thanks, Pankaj Modi

$175 USD in 5 days
(670 Reviews)

Hello! I am Kishore G, an expert OpenCart developer working with Global Technosys. I have examined your requirement and will add the multiple file uploading feature in OpenCart website. More

$140 USD in 7 days
(234 Reviews)

Hello, Thanks for Posting! Like to get on board and assist you across Optimization of Opencart based Shopping cart. First, You must need to share me the "Existing Website detail" and Documentation so that I ca More

$277 USD in 4 days
(108 Reviews)

Hi, I am interested in your project. I have 5-year experience on Opencart. All my completed projects on are on Opencart. You can check my profile to know clearly about this: More

$135 USD in 3 days
(194 Reviews)

Hi, i have read the job details carefully and we are sure that we can finish project very well. We are [login to view URL] and team of 25+ members team of india based registered company since 8+ years. We are h More

$145 USD in 15 days
(177 Reviews)

Hello, I've read your project description and I want to tell you that I can Continue building Opencart payment extension for you as per your [login to view URL] have a quick chat to discuss this project. We have ex More

$120 USD in 15 days
(183 Reviews)

Hi, We have enough relevant experience. Let me help you. I have gone through the description "Software Skills: Android, JSON & Restful Web Services, FCM, Google Analytics, Google API, JUnit, Mockito, Wiremock, Espress More

$140 USD in 7 days
(75 Reviews)

Hi, I have quite good experience in opencart, I have created several extensions in opencart and I am quite confident about this job. Looking forward to hear from you to discuss further details. Thank you!

$100 USD in 2 days
(59 Reviews)

Hi, Opencart is our expertise - [login to view URL] and we're happy to help you with your project. We've already helped our customer for their Opencart customization, API integration, bug fixing, and advanced develop More

$250 USD in 3 days
(76 Reviews)

Hello, I have gone through your job posting and become very much interested to work with you. I am an expert in this field. I have already completed several projects like this. For evidence you can see my profile. Pl More

$250 USD in 4 days
(64 Reviews)

Dear Client, Greetings!! We have few queries kindly ping us. Thanks for giving us the opportunity to bid over the requirement. As per your requirement, you would like to develop a Website. We would like to share that More

$140 USD in 7 days
(26 Reviews)

Dear Customer, Greetings from Microprixs Solution! We have gone through the requirement and we can complete the same with given timeframe. We are one of the best team in Opencart, Wordpress / eCommerce (opencart / More

$45 USD in 1 day
(125 Reviews)
$100 USD in 1 day
(36 Reviews)

Hello i will not copy and paste here "like most" of indian developer does:) that i do fully understood your task:)) and ready to go:) But simply will write that i have been working with opencart system for about 7- More

$166 USD in 3 days
(7 Reviews)

Hi, ‌Greeting From Hardknock Digital . ‌I have Gone through your Project Description . We are Team of Web developers & Graphics Designers . We are One of the leading Digital Marketing company in Our local city . We can More

$150 USD in 7 days
(1 Review)

I've 7+ years of experience in Web Development/Web design, Mobile App Development(IOS/Android), Graphic design, Logo Design Business Cards & Stationery, Flyers & Brochures, Packaging Design, Web & Mobile Design, Socia More

$155 USD in 3 days
(2 Reviews)

Hello ,  Greeting of the Day,  I got your inquiry regarding Your web site design and web site developments . What is the best time to connect and discuss more about it? Else I would like to know more about Feature More

$100 USD in 3 days
(2 Reviews)

Dear Sir/Madam, As far as I remember you've posted the same job previously and I sent a proposal. I didn't look what I offered before, but at the moment I'm free and I can do your work as my own work within a short tim More

$70 USD in 7 days
(0 Reviews)

Hi, How are you, Hope You are doing well. am basically PHP Developer, i have a great experience in Opencart platforms especially like creating new component based on the clients expectation, intrgrated few payments More

$160 USD in 7 days
(0 Reviews)