Making an admin panel usable on a phone
Owners check their dashboard from a phone far more than sellers expect. Most admin panels are unusable there.
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Everything we have written on developer resources.
Rate limits and being a good API citizen
Your script runs on hundreds of servers. What is polite from one becomes an attack from all of them at once.
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What licence checking can and cannot do for you
An honest look at protecting your item: what a licence check genuinely achieves, and the one integration mistake that hurts your own buyers.
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Using the licence API from Node, Python or anything else
We ship a PHP SDK because most items here are PHP. The API underneath is plain HTTPS and JSON, and works from anything.
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Handling timezones properly
Timezones are where scripts sold internationally quietly break. The rules are short and almost nobody follows them.
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Sending email from a script that actually arrives
The mail function returns true and the message is in a spam folder. Here is what decides that, and none of it is your code.
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Making your item themeable
Every buyer wants it to look like theirs. Whether that is an afternoon or a nightmare is decided by you, months earlier.
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Writing an uninstaller
Almost nobody ships one. It is the last impression your item makes, and it is remembered.
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Handling file uploads safely
An upload form is the most reliable way to hand a stranger control of your buyer's server. Six rules cover almost all of it.
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