Write PHP code to process credit card payments via Square API

We want to transfer our credit card processing from an older system to the Square API ([url removed, login to view])

We would pass credit card number, expiration date, CID, billing address to your php code that would interact with Square's API to process the payment and return "accepted" or "declined".

The Square API docs mention use of Composer to install components, but we are on a shared hosting system that does not provide this privilege, so you would have to figure out how to alternatively install the required Square libraries.

Should be a plain-vanilla PHP script.

Skills: JSON, OAuth, PHP, Software Architecture

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About the Employer:
( 6 reviews ) Flint, United States

Project ID: #10533378

Awarded to:


I'm PHP programmer. I didn't work with Square, but I worked with some other payments APIs. Square has documentation, examples, sandbox for testing. I'm sure that I will not have any difficulties with your project.

$55 USD in 3 days
(66 Reviews)

11 freelancers are bidding on average $129 for this job


Dear Sir, I am really interested to work on this project . I have very good experience of doing this sort of job, I can start the work now and can assure the best service from my end. I am waiting here to discuss More

$200 USD in 7 days
(173 Reviews)

Hello There, Hope you're doing well. I request you to contact me further in order to have a detailed discussion on your project related requirements. Please refer my portfolio below for more details. Waitin More

$140 USD in 7 days
(58 Reviews)

Hello, I know how to install square library without using Composer. Please chat with me for more details information. Thank you for reading this proposal. Have a nice day.

$155 USD in 3 days
(30 Reviews)
$100 USD in 3 days
(22 Reviews)

Hi Sir, My name is Nisthar. I am a Software and Web developer. I can do this fast. I can install their libraries without composer. Also, I can integrate Square API using the php script. Please contact me if you want to More

$250 USD in 3 days
(6 Reviews)
$55 USD in 3 days
(7 Reviews)

Hello There, Thank you for job posting. I have read job description and can help you Development of Ecommerce website and setting up Payment processing Gateway. Following are the E-commerce solutions i am expert More

$155 USD in 3 days
(4 Reviews)

come on chat now for more details....

$50 USD in 1 day
(11 Reviews)

Hello There I understand your requirements that you looking for stripe (credit card payment gateway integration with secure API system). I do have excellent experience into various payment gateway integration includ More

$200 USD in 3 days
(1 Review)

It's hardly 3-4 hours job to complete this task. Looking forward your response, Best of Luck!! Shivani

$55 USD in 1 day
(0 Reviews)