Advice Slip vs Excuser
Same instrument, two spec sheets — measured, not claimed.
Advice Slip vs Excuser: common questions
Which is more reliable, Advice Slip or Excuser?
On our scheduled checks, Excuser leads on measured uptime — Advice Slip at 62.7% versus Excuser 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, Advice Slip or Excuser?
Excuser has the lower median latency in our checks — Advice Slip responds in 747 ms versus Excuser at 303 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 Advice Slip and Excuser need an API key?
Neither needs a paid key — Advice Slip is callable with no signup, and Excuser is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Advice Slip and Excuser from the browser?
Yes — both Advice Slip and Excuser 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 Advice Slip and Excuser free for commercial use?
Advice Slip has unclear commercial terms, and Excuser 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.