Help to complete the Callback Page for Payment gateway for WHMCS

WHMCS has a payment gateway Solution that supports call back files

Their template file is attached and my original code for the gateway is also attached. It works and calls the gateway but the callback always trows an error.

Habilidades: HTML, PHP, Arquitetura de software, Design de Sites, WHMCS

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Acerca do Empregador:
( 69 comentários ) Victoria Island, Nigeria

ID do Projeto: #19969010

Concedido a:


Hi, I have more than 8 years experience in whmcs, I have developed a lot payment plugins for whmcs. I can finish your payment callback today or tomorrow. Thanks

$111 USD em 2 dias
(347 Comentários)

17 freelancers estão ofertando em média $180 para esse trabalho


We already have built large scale applications, CRMs, ERPs and huge systems can be found at our website. Like [login to view URL] [login to view URL] [login to view URL] [login to view URL] https: Mais

$250 USD in 8 dias
(405 Comentários)

Hi there, My name is Atul. I have read your brief and can see that you would like to implement payment gateway callback functions in WHMCS. I have been working in WHMCS since last 6+ years and in PHP since the last 1 Mais

$200 USD in 7 dias
(169 Comentários)

Hello Sir, I have 7 years of experience in WHMCS, let me know if you want to use my services. Thanks, Mahander

$150 USD in 3 dias
(146 Comentários)

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 Mais

$250 USD in 4 dias
(67 Comentários)

Hi I assure you would face no problem in terms of timeline, response and deliverance of high quality work. Let me give you a brief overview of what I have done in the past and how could I serve your desired level of Mais

$140 USD in 2 dias
(101 Comentários)

Dear Client! Nice to meet you. High Quality, Reasonable Budget!! have read your requirements carefully. and interested in your job. I have many experiences with projects like your project. And can complete your work ON Mais

$140 USD in 7 dias
(19 Comentários)

Hello there, Warm greetings, I have read your JD and I can do this. Please share the access details. Looking forward to hearing from you soon. Regards, Sachin

$140 USD in 9 dias
(23 Comentários)

Hello I check both file code I can fix that , I already did this in past Let's connect and discuss in details Thank you

$388 USD in 3 dias
(18 Comentários)

hi, we have experienced team in web and mobile application. we can work immediately to fix callback issues. looking forward for a positive response. regards asmobisoft team

$166 USD in 2 dias
(7 Comentários)

Hello, I read your requirements and understand very-well and ready to start work from now. I have great expertise in WHMCS Ready to Help you complete the Callback Page for Payment gateway for WHMCS. Please check my Mais

$250 USD in 7 dias
(7 Comentários)

Hi there, I'm a professional web designer - Front End Developer, having 7+ years experience in web designing. I build valid, Responsive HTML5, CSS3, JQ, JS, bootstrap and Word Press, Magento, Drupal, CI, based websi Mais

$155 USD in 3 dias
(2 Comentários)

Hello , I had checked your job description posted for this job and is fully confident as I have 6 years of job experience in WHMCS and WHMCS addons-modules development , whmcs server modules development,whmcs them Mais

$100 USD in 3 dias
(5 Comentários)

********** The best Candidate ******** Hi, I've read your job description deeply and carefully, so I've understood all concept right. I am web and mobile app developer having experience in php, WHMCS, mysql and databas Mais

$227 USD in 5 dias
(2 Comentários)

Hi, Thanks for the opportunity to bid on your project. I've been a Linux Systems Admin for well over 20 years now and a PHP/Perl Programmer for over 15 years. I have also administered cPanel/WHM servers for over 10 Mais

$111 USD in 3 dias
(2 Comentários)

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned "I can do th Mais

$165 USD in 7 dias
(3 Comentários)

Very big experience with WHMCS and payments gateways. Portfolio you can see on [login to view URL]

$111 USD in 5 dias
(1 Comentário)