fix payment loop paypal error 500

experienced PHP developer having expertise in various Payment Gateways/API's integration implementation Relevant Skills and Experience Codeigniter, OsCommerce, CreLoaded, MVC framework, Prestashop, Opencart, HTML5, Bootstrap, CSS3, jQuery, Javascript, Zen Cart, Wordpress Proposed Milestones $35 USD - Final I look forward to hearing back from you and hope we can work together.

I have solve this type of error Relevant Skills and Experience Paypal, C# Proposed Milestones $30 USD - Paypal

hi how are you? sir i will do it. i have many work in Paypal API and i am expert in fixing. i think 500 error is show fatal error. But Don't worry i will do it. if you give me a chance. Relevant Skills and Experience i am expert in php and Paypal API. i think paypal IPN method is using. Proposed Milestones $25 USD - default

I can start right now. Hi, I hope you are doing fine. I have more than 300 Five Stars feedback, I have good command on designing and developing. Please check my profile https://www.freelancer.com/u/harshatilva.html I read your project description and would like to work with you. I will provide you 100% satisfaction guaranteed. You can release payment after work is done. My services include Data Migration, Server Transfer, Magento, Open Cart, Joomla, Prestashop, OS commerce, WordPress, PHP, Designing, PSD to HTML, Jquery, Angular Js and technical support. Awaiting for your positive reply and looking forward to working on your project. Feel free to ask me any question you may have. Thank you,

sir pm me thanks ... Relevant Skills and Experience sir pm me thanks ... Proposed Milestones $30 USD - sir pm me thanks ... sir pm me thanks ...

Hi, I understand your error on paypal payment workflow. I can fix this issue for you. Please contact me so we can discuss more and I can start to fix it for you now. Regards, Tan. Các Kỹ Năng và Kinh Nghiệm Liên Quan Paypal Integration, PHP Các Mốc Thanh Toán Đề Xuất $40 USD - Milestone

Hello mate, yes i can do this task and i did Paypal task recently i can show you demo for this. and payment after work and after your satisfaction. Thanks Relevant Skills and Experience PayPal API Proposed Milestones $25 USD - after work

A proposal has not yet been provided

Hello,Hope you doing well.I read your project description,Lets have a technical discussion,negotiate costing, timeline and then we proceed further. I Will show my past work also. Thanks! Relevant Skills and Experience php, wordpress,html,codeigniter Proposed Milestones $31 USD - milestone