Is Cloudmersive Validate API down?
Current status, daily uptime history and troubleshooting for the Cloudmersive Validate API (Email).
No, Cloudmersive Validate is up
Cloudmersive Validate answered our last daily check (Oct 24, 2026, 12:25 UTC) in 622 ms with HTTP 200.
Checking Cloudmersive Validate now…
Sending a request from our server.
Cloudmersive Validate API uptime history
- Uptime
- 2 checks so far
- Last check
- Oct 24, 2026, 12:25 UTC
- Response
- 622 ms · HTTP 200
- Last up
- Now
We check Cloudmersive Validate's listed URL (https://cloudmersive.com/validate-api) once a day. History started when Cloudmersive Validate was first checked, so new entries show fewer than 30 days.
Cloudmersive Validate API not working for you?
- Cloudmersive Validate needs an API key. A 401 or 403 usually means a missing, expired or mis-sent credential: check whether it belongs in a header or the query string.
- A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header.
- If it works from one network but not another, check firewalls, VPNs and regional blocks.
- Check the provider's documentation, status page or social accounts for planned maintenance or a changed endpoint.
Email APIs up at their last check
- 1
Kickbox API
Online · 1026 msEmail verification API. A free email API by Powered by Kickbox.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 2
mail.gw API
Online · 546 msAPI for creating temporary email accounts.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 3
mail.tm API
Online · 454 msTemporary Email Service. A free email API by Mail.tm.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 4
MailSenpai DNS Check API
Online · 805 msCheck a domain's SPF, DKIM, DMARC and MX records and get what to fix, with the values to publish.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 5
Email Validator by LifeStep API
Online · 1178 msValidate email syntax and MX, detect disposable/role addresses, suggest typo fixes.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
Compare all Cloudmersive Validate alternatives · APIs down right now
Cloudmersive Validate API status FAQ
Is Cloudmersive Validate API down right now?
Cloudmersive Validate answered our last daily check (Oct 24, 2026, 12:25 UTC) in 622 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether Cloudmersive Validate is responding at this moment.
How do you check whether Cloudmersive Validate API is up?
Once a day our checker requests Cloudmersive Validate's listed URL (https://cloudmersive.com/validate-api) and records whether it answers within 15 seconds. Answers like 401 (needs a key), 403 (blocks bots) or 429 (rate-limited) count as up, because the server responded. The listed URL is often the documentation page, so an API endpoint can occasionally fail while its docs stay up.
What can I use if Cloudmersive Validate API is down?
Free Email APIs that were up at their last check include Kickbox, mail.gw, mail.tm. See the full list of Cloudmersive Validate alternatives for a comparison.
Why does Cloudmersive Validate API work for others but not for me?
Cloudmersive Validate needs an API key. A 401 or 403 usually means a missing, expired or mis-sent credential: check whether it belongs in a header or the query string. A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header. If it works from one network but not another, check firewalls, VPNs and regional blocks.