ipstack vs ip-api.com vs ipinfo.io: comparing the shape of the data
Three popular IP geolocation APIs structure the same underlying data differently. Here is how their response shapes actually compare.
My Geocode blog (page 16)
Notes on geocoding, IP data, and building on the My Geocode API.
Older posts
The trouble with data that's accurate on launch day only
A dataset announced with pride and never revisited degrades quietly. Borders shift, postal systems change, and time zone rules get amended by governments that do not send a press release.
Data refresh cycles: how often location data should change
Location data is not static. New addresses get built, postal boundaries shift, and IP blocks get reassigned, all on different timescales that matter for accuracy.
Calculate distance between two geocoded points
Geocode two addresses to get their coordinates, then calculate the distance between them using standard great-circle math you already have in your own code.
Building a disaster-response resource map
A regional relief coordinator needed to plot shelters, supply points, and reported needs on one shared map, fast, with addresses arriving in whatever format volunteers happened to type them.
The client dashboard: usage, invoices and keys in one place
One dashboard now covers usage stats, invoices, API keys, referrals, two-factor authentication, coupon codes and account settings for every account.
Why batch pricing should match single-request pricing
A thousand lookups sent one at a time and a thousand lookups sent as a batch are the same amount of work. The price should not depend on how they were packaged.
Moving off Mapbox static maps and tiles for geocoding-only use
A lot of Mapbox integrations bundle geocoding with map rendering. Here is how to separate the two and migrate only what needs to move.
Build a store locator with reverse geocoding
Turn a customer's coordinates into a readable address with reverse geocoding, then compare it against your store list to surface the closest locations first.
IPv6 allocation and what it means for geolocation
IPv6's vastly larger address space changes how blocks get allocated and used, with real consequences for how precisely an IPv6 address can be geolocated.
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