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OpenCaged Geocoder (Open Source option) vs The Guardian

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

APIOpenCaged Geocoder (Open Source option)REACHABLE100The GuardianHEALTHY89
Uptime · 30d
Uptime · 90d100%98.0%
Uptime · 30d100%98.3%
P50 · ms519742
P95 · ms10102726
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree developer key — registration required
Rate limitUnpublished5000 calls/day (developer tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenCaged Geocoder (Open Source option) vs The Guardian: common questions

Which is more reliable, OpenCaged Geocoder (Open Source option) or The Guardian?

On our scheduled checks, OpenCaged Geocoder (Open Source option) leads on measured uptime — OpenCaged Geocoder (Open Source option) at 100% versus The Guardian at 98.0% 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, OpenCaged Geocoder (Open Source option) or The Guardian?

OpenCaged Geocoder (Open Source option) has the lower median latency in our checks — OpenCaged Geocoder (Open Source option) responds in 519 ms versus The Guardian at 742 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 OpenCaged Geocoder (Open Source option) and The Guardian need an API key?

Both ask you to authenticate — OpenCaged Geocoder (Open Source option) uses an API key and The Guardian uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call OpenCaged Geocoder (Open Source option) and The Guardian from the browser?

Yes — both OpenCaged Geocoder (Open Source option) and The Guardian 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 OpenCaged Geocoder (Open Source option) and The Guardian free for commercial use?

OpenCaged Geocoder (Open Source option) has unclear commercial terms, and The Guardian 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.