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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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 3,632 hits
Zoho Deluge - Get User Timezone, Country and Location
Zoho Deluge

Zoho Deluge - Get User Timezone, Country and Location

A quick article just as a note to get the users country information from a third-party API based on the given IP address. How? Well this is just a list of free 3rd-party APIs and the below code is dependent on these being online and working...

Read note 25,406 hits
Google Drive API v3 - OAuth2 using Service Account in PHP/JWT
Google

Google Drive API v3 - OAuth2 using Service Account in PHP/JWT

This is an article explaining the code needed to write a PHP script which generates an access token for a service account which in turn is used to list files in a team's Google Drive. This is very different to my code for OAuth when attended: Google Authentication - OAuth 2.0 using PHP/cURL... In that this one doesn't...

Read note 88,766 hits
Zoho CRM: APIv2 using PHP & cURL
Zoho CRM

Zoho CRM: APIv2 using PHP & cURL

This is an article documenting how to access ZohoCRM with API v2 using PHP and cURL. The first few functions are to manage OAuth v2 and generate the refresh and access tokens. The second snippet of code below is using the functions to read data from Zoho CRM and to write data back to the system.

Read note 32,256 hits
Google Authentication - OAuth 2.0 using PHP/cURL
Google

Google Authentication - OAuth 2.0 using PHP/cURL

This is an article which lists the functions necessary to process Google Authentication using OAuth2.0. These functions allow a script to simply be loaded and to either create a token file, or use the existing one as long as it hasn't expired. Update 2019 This script requires a user to authenticate the google account...

Read note 58,802 hits

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