APIs.guru vs US Autocomplete
Same instrument, two spec sheets — measured, not claimed.
APIs.guru vs US Autocomplete: common questions
Which is more reliable, APIs.guru or US Autocomplete?
On our scheduled checks, APIs.guru leads on measured uptime — APIs.guru at 100% versus US Autocomplete 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 US Autocomplete?
APIs.guru has the lower median latency in our checks — APIs.guru responds in 266 ms versus US Autocomplete at 683 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 US Autocomplete need an API key?
APIs.guru needs no key, while US Autocomplete requires a free API key. If you want to start calling without signup, reach for APIs.guru first.
Can I call APIs.guru and US Autocomplete from the browser?
Yes — both APIs.guru and US Autocomplete 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 APIs.guru and US Autocomplete free for commercial use?
APIs.guru has unclear commercial terms, and US Autocomplete 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.