JOEL LIPMAN Systems / Automation / AI

Knowledge base / Since 1999

Scripts, systems & field notes.

Practical solutions and technical notes from CRM platforms, workflow automation, APIs, databases and the systems around them.

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Xero API: Standard PHP/cURL Create Invoice
Xero

Xero API: Standard PHP/cURL Create Invoice

This is an article documenting a generic script that can be used to push an invoice to the demo Xero environment. Following the steps below will connect you to the Demonstration environment of Xero at no cost to you the developer. How? Similar to my ZohoAPI script the process is: Start with a HTML form to add your clie...

Read note 2,617 hits
Paypal Checkout API with PHP and JavaScript
PayPal

Paypal Checkout API with PHP and JavaScript

This is an article on how to build a shopping cart and get your website to accept payments via PayPal. The below isn't a final or perfect option, it's an article to help me document and refine a process.

Read note 3,696 hits

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This site exists as a practical knowledge base built from real-world experience across systems, platforms, and technologies since 1999. Much of the content documents solutions, edge cases, and working patterns that were learned through investigation where documentation was incomplete or absent, and is shared to reduce the same friction for others.

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