We test and write up the APIs developers actually use — for payments, weather, AI, maps, messaging and more. Clear comparisons, honest reviews, and tutorials that actually work.
8 guides · updated weekly · zero paywalls
Featured
A complete guide to the Hiver API — authenticate, manage conversations, assign emails, add notes, and build automations on top of your shared Gmail inbox. Node.js and Python code included.
Get a free Booking.com API key, search live hotel availability, and build travel apps. Full Node.js and Python examples with the Booking.com API on RapidAPI.
Get a free Skyscanner API key, search live flights, and build price-tracking tools. Full Node.js and Python examples with the Sky Scrapper API on RapidAPI.
Browse
Every post is tagged to a domain so you can jump straight to the APIs you care about.
LLMs, vision, speech, embeddings, and ML infrastructure APIs.
1 post →
Card processing, subscriptions, invoicing, and banking APIs.
1 post →
SMS, email, voice, chat, and notification delivery APIs.
1 post →
Geocoding, directions, places, and geospatial data APIs.
0 posts →
Current conditions, forecasts, and historical weather data APIs.
0 posts →
Market data, enrichment, scraping, and analytics APIs.
5 posts →
Authentication, identity verification, and fraud prevention APIs.
0 posts →
Image, video, audio processing, transcoding, and storage APIs.
0 posts →
Social platforms, content moderation, and publishing APIs.
0 posts →
CI/CD, monitoring, feature flags, and developer productivity APIs.
0 posts →
There is no official Google Flights API key — here is what to get instead, with step-by-step signup instructions for the APIs developers actually use.
Comparing the top AI image generation APIs — OpenAI DALL-E 3, Stability AI, Flux, and Ideogram. Pricing, quality, speed, and when to use each.
Master Google Flights from your first search to booking — price calendars, alerts, the Explore map, hidden filters, and every tip that saves you money.
Pull live Google Flights data — fares, routes, and price calendars — via the DataCrawler Google Flights API on RapidAPI. Node.js + Python code.
Side-by-side comparison of the three biggest payment APIs — fees, integration effort, developer experience, and which one actually fits your business.
We publish a new review or tutorial most weeks. Come back often — or bookmark the category you care about.