ListLoco API vs Yes No
Same instrument, two spec sheets — measured, not claimed.
ListLoco API vs Yes No: common questions
Which is more reliable, ListLoco API or Yes No?
On our scheduled checks, Yes No leads on measured uptime — ListLoco API at —% versus Yes No at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do ListLoco API and Yes No need an API key?
Neither needs a paid key — ListLoco API is callable with no signup, and Yes No is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ListLoco API and Yes No from the browser?
Only Yes No is browser-friendly — it returns CORS headers over HTTPS. ListLoco API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ListLoco API and Yes No free for commercial use?
ListLoco API has unclear commercial terms, and Yes No 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.