API Reference - Ideal Postcodes vs ipapi.co

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%1.0%
Uptime · 30d100%1.7%
P50 · ms154440
P95 · ms831440
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — quota not published; returns 429 when exceeded
Rate limitUnpublishedUnpublished (429 Quota exceeded)
In directory since2026-07-052026-07-05
operationalpartialdownno data

API Reference - Ideal Postcodes vs ipapi.co: common questions

Which is more reliable, API Reference - Ideal Postcodes or ipapi.co?

On our scheduled checks, API Reference - Ideal Postcodes leads on measured uptime — API Reference - Ideal Postcodes at 100% versus ipapi.co at 1.0% 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, API Reference - Ideal Postcodes or ipapi.co?

API Reference - Ideal Postcodes has the lower median latency in our checks — API Reference - Ideal Postcodes responds in 154 ms versus ipapi.co at 440 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 API Reference - Ideal Postcodes and ipapi.co need an API key?

Neither needs a paid key — API Reference - Ideal Postcodes is callable with no signup, and ipapi.co is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call API Reference - Ideal Postcodes and ipapi.co from the browser?

Yes — both API Reference - Ideal Postcodes and ipapi.co send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are API Reference - Ideal Postcodes and ipapi.co free for commercial use?

API Reference - Ideal Postcodes has unclear commercial terms, and ipapi.co 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.