Abstract Email Validation vs US Street Address
Same instrument, two spec sheets — measured, not claimed.
Abstract Email Validation vs US Street Address: common questions
Which is more reliable, Abstract Email Validation or US Street Address?
On our scheduled checks, US Street Address leads on measured uptime — Abstract Email Validation at —% versus US Street Address 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 Abstract Email Validation and US Street Address need an API key?
Both ask you to authenticate — Abstract Email Validation uses an API key and US Street Address 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 Abstract Email Validation and US Street Address from the browser?
Yes — both Abstract Email Validation and US Street Address 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 Abstract Email Validation and US Street Address free for commercial use?
Abstract Email Validation has unclear commercial terms, and US Street Address 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.