Free country, flag and geography APIs
Country data, flags and postal geography without a key, why you should not fetch a flag image at all, and the ISO codes worth storing instead of names.
6 min read
Which free API to use for a given job, chosen with the reliability and latency data from our own daily checks rather than from marketing copy.
22 articles
Country data, flags and postal geography without a key, why you should not fetch a flag image at all, and the ISO codes worth storing instead of names.
6 min read
Placeholder images, stock photography and image processing without a key, and the licensing distinction that decides whether you may host the file yourself.
7 min read
Generating QR codes and barcodes without a key, why you should generate locally rather than hotlink, and the error-correction setting that decides whether a code scans.
7 min read
Disposable-address detection and email verification without a key, what validation can and cannot actually prove, and the regex you should stop writing.
6 min read
Public-sector APIs from the UK, US, Germany and Brazil that need no key, why government data is the most reliable free data available, and how to handle its formats.
7 min read
Market data, macroeconomic series and financial utilities without a key, why free equity quotes are always delayed, and what exchange licensing actually forbids.
6 min read
Live scores, fixtures and statistics without a key, why 'live' on a free tier usually means delayed, and how to poll a match feed without burning your rate limit.
7 min read
Food, recipe and nutrition APIs that need no key, why Open Food Facts beats the commercial options for barcode lookup, and the data-quality problem in crowd-sourced nutrition.
7 min read
Keyless APIs for jokes, quotes and quiz questions, the content-filtering step most projects skip, and why quote attribution is wrong more often than you would expect.
6 min read
Satellite tracking, spaceflight news and asteroid data without a key, plus why orbital elements go stale in days and what that means for your code.
7 min read
Music metadata and radio APIs that need no key, why lyrics are the hardest thing to get legally, and how MusicBrainz's rate limit differs from everyone else's.
6 min read
Anime and manga APIs that need no key, how Jikan's rate limit actually works, and the reverse image search that identifies a scene from a screenshot.
7 min read
Film and television APIs that need no key, why the big metadata providers all require registration, and which fictional-universe APIs are best for building something quickly.
6 min read
News APIs that return headlines without a key, why most free news tiers forbid showing the results publicly, and the licensing question that decides which one you can actually use.
6 min read
Which AI APIs actually let you build without a card on file, the metadata APIs that track model pricing and deprecation, and how to read a free tier before it bills you.
7 min read
Price, market-cap and on-chain APIs that work without a key, how often free tiers actually refresh, and why the price you display will never match the price on an exchange.
6 min read
APIs that generate fake users, fake products and deliberately broken responses, so you can build against realistic data and test the failure paths you normally cannot reach.
6 min read
Turning addresses into coordinates without a key, why postcode lookups beat full-address geocoding for accuracy, and the licensing trap in most free geocoders.
7 min read
Six IP geolocation APIs that need no key, what accuracy you can actually expect at city level, and why VPNs and mobile networks break the assumption your code is making.
7 min read
Exchange rate APIs that work without a key, including three central banks publishing official reference rates, and what the difference between reference and market rates means for your code.
7 min read
Eight APIs that need no key, return readable JSON and respond first try. Picked because they let you see a result in one command, not because they are famous.
6 min read
Six weather APIs that return forecasts without a sign-up, an API key or a credit card, ranked by the response times and reliability we measured ourselves.
6 min read