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APIs.guru vs PageBolt

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

APIAPIs.guruHEALTHY97PageBoltHEALTHY91
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms266751
P95 · ms14211432
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs PageBolt: common questions

Which is more reliable, APIs.guru or PageBolt?

On our scheduled checks, APIs.guru leads on measured uptime — APIs.guru at 100% versus PageBolt at 99.02% 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, APIs.guru or PageBolt?

APIs.guru has the lower median latency in our checks — APIs.guru responds in 266 ms versus PageBolt at 751 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 APIs.guru and PageBolt need an API key?

APIs.guru needs no key, while PageBolt requires a free API key. If you want to start calling without signup, reach for APIs.guru first.

Can I call APIs.guru and PageBolt from the browser?

Only APIs.guru is browser-friendly — it returns CORS headers over HTTPS. PageBolt needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are APIs.guru and PageBolt free for commercial use?

APIs.guru has unclear commercial terms, and PageBolt 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.