Add server-side geolocation to a Node or PHP app
Call the IP lookup endpoint directly from your backend code, whether you are running Node or PHP, with no client script involved.
My Geocode blog (page 4)
Notes on geocoding, IP data, and building on the My Geocode API.
Older posts
Building a route elevation chart for a running app
A running app's users kept asking for one specific feature above every other request: a way to see how much climbing a planned route actually involved before starting it.
Faster response times after an infrastructure upgrade
An infrastructure upgrade across our serving stack has reduced response times platform-wide, with no change to any request or response format.
Why we would rather answer with an error than a wrong guess
A wrong answer that looks confident is worse than an honest failure. An error tells you to check something. A confident wrong guess tells you nothing is wrong.
Handling response schema differences during a migration
Even a well-matched replacement provider will differ from the original in small schema details. Here is how to find and handle those differences properly.
Localize date and time formats using the visitor's time zone
Show every date and time on a page in the visitor's own local time and format, rather than a fixed server time zone that reads correctly to almost nobody.
A dedicated postal code lookup endpoint
Postal code lookup now has its own dedicated endpoint, separate from general geocoding, with its own documentation and request parameters.
Why some IP ranges resolve only to a country, not a city
Some IP address blocks are allocated and used in a way that genuinely does not support city-level resolution, and returning a guess anyway would be worse than being honest about the limit.
Adding location context to a customer support chat
A support agent staring at a live chat window with nothing but a name and a typed message is working with less information than a phone agent has from caller ID alone.
What a coupon code says about a company's pricing confidence
A permanent 20 percent off coupon floating around the internet is not a discount. It is evidence that the listed price was never the real price.
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