Guides
Working code, honest guides
Every guide is written against the live API, code first, with the limitations stated before you find them. Prices are never restated in guides: they go stale there; the current numbers always live on /pricing.
start here
How to get real-time Google Flights data
The full walkthrough: endpoints, paste-and-run code, the price-insight fields, paired round-trips, and scanning a whole month of dates in one parallel burst.
engineering essay
Handling empty flight search results
Why 200 [] is the most dangerous response a search API can return, the failure taxonomy behind it, and a vendor-neutral checklist for evaluating any search API’s empty-result semantics.
deep dive
Google Flights URL parameters, decoded
What is inside a Google Flights URL: the tfs= base64url protobuf, the q= natural-language form, curr=. How to decode tfs at the wire level, and why you should never encode it yourself.
hotels
How to monitor hotel rate parity
The proxy_country mechanism (the same room priced from the US, Germany and Israel in three requests), with a real captured spread, a scheduling pattern, and honest notes on how often parity holds.
automation
Using a flight API in n8n
A four-node fare watch that fires when Google’s verdict says “low”, with the community node or a plain HTTP Request node, exact POST body included.
comparison
The best flight data APIs in 2026
The listicle, with disclosed bias: it starts with our own API and says so, quotes every competitor price with a retrieval date, and names the competitor that is cheaper per request than we are.
Prefer to click than to read?
The free tools run the same code
Each guide has a tool that does its job in the browser, on our key. Judge the data before writing a line.
Every guide ends the same way: run it
Live flight and hotel data with the context to judge it. Free tier on RapidAPI, no card to try.
Free tier: 10 requests/month. No card to try.