PostalPinCode vs Transport for Spain
Same instrument, two spec sheets — measured, not claimed.
PostalPinCode vs Transport for Spain: common questions
Which is more reliable, PostalPinCode or Transport for Spain?
On our scheduled checks, Transport for Spain leads on measured uptime — PostalPinCode at 98.0% versus Transport for Spain at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, PostalPinCode or Transport for Spain?
Transport for Spain has the lower median latency in our checks — PostalPinCode responds in 912 ms versus Transport for Spain at 603 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do PostalPinCode and Transport for Spain need an API key?
Neither needs a paid key — PostalPinCode is callable with no signup, and Transport for Spain is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call PostalPinCode and Transport for Spain from the browser?
Only PostalPinCode is browser-friendly — it returns CORS headers over HTTPS. Transport for Spain needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are PostalPinCode and Transport for Spain free for commercial use?
PostalPinCode has unclear commercial terms, and Transport for Spain has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.