Help Upgrading Payment Gateway Integration for Custom e-commerce website

We have a mature web-based custom food ordering application that was initially integrated with First Data Payeezy's payment gateway a few years back. Payeezy recently updated their API and are requiring a move to the new version by the new year. Need help identifying the changes that need to happen in my application, implementing them and testing them to ensure the transition to the new version is smooth.

It’s a huge plus if you have experience with the latest version of [login to view URL] for Payeezy payment gateway integration.

I need it done asap. So please apply if you can get started immediately and accomplish the task shortly.

If you finish it successfully, more on-going tasks would follow.

Evner: PHP, Payment Gateway Integration, node.js, Angular.js, MySQL

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Om arbejdsgiveren:
( 2 bedømmelser ) Las Vegas, United States

Projekt ID: #20893918

32 freelancere byder i gennemsnit $170 på dette job


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$151 USD in 2 dage
(805 bedømmelser)

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$248 USD in 5 dage
(305 bedømmelser)

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$250 USD in 5 dage
(309 bedømmelser)

Hi, Hope you are doing good. As you mention in the job description you want to update your payment gateway Integration for your custom e-commerce websitE. please initiate me over chat for a detail discussion about your Flere

$220 USD in 7 dage
(156 bedømmelser)

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$140 USD in 7 dage
(79 bedømmelser)

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$90 USD in 10 dage
(166 bedømmelser)

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$180 USD in 7 dage
(54 bedømmelser)

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$160 USD in 7 dage
(51 bedømmelser)

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$200 USD in 3 dage
(122 bedømmelser)

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$200 USD in 5 dage
(108 bedømmelser)

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(63 bedømmelser)

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$190 USD in 7 dage
(35 bedømmelser)

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$200 USD in 5 dage
(37 bedømmelser)

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$140 USD in 7 dage
(21 bedømmelser)

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$250 USD in 7 dage
(65 bedømmelser)

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$200 USD in 5 dage
(22 bedømmelser)

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$140 USD in 7 dage
(24 bedømmelser)

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$250 USD in 5 dage
(22 bedømmelser)

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$140 USD in 7 dage
(5 bedømmelser)

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$120 USD in 2 dage
(28 bedømmelser)