Is B2B Email & Domain Scorer API down?
Current status, daily uptime history and troubleshooting for the B2B Email & Domain Scorer API (Email).
No, B2B Email & Domain Scorer is up
B2B Email & Domain Scorer answered our last daily check (Nov 15, 2026, 13:58 UTC) in 1230 ms with HTTP 200.
Checking B2B Email & Domain Scorer now…
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B2B Email & Domain Scorer API uptime history
- Uptime
- 100% of 10 checks
- Last check
- Nov 15, 2026, 13:58 UTC
- Response
- 1230 ms · HTTP 200
- Last up
- Now
We check B2B Email & Domain Scorer's listed URL (https://rapidapi.com/MohamedBahaa/api/b2b-email-domain-scorer) once a day. History started when B2B Email & Domain Scorer was first checked, so new entries show fewer than 30 days.
B2B Email & Domain Scorer API not working for you?
- B2B Email & Domain Scorer 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 calls fail only in the browser with a CORS error, B2B Email & Domain Scorer may not allow cross-origin requests. Call it from your server instead.
- 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 · 754 msEmail verification API. A free email API by Powered by Kickbox.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 2

mail.gw API
Online · 602 msAPI for creating temporary email accounts.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 3
mail.tm API
Online · 625 msTemporary Email Service. A free email API by Mail.tm.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 4
StopMailing API
Online · 738 msDisposable email addresses with a free, no-signup REST API.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 5
Vetto API
Online · 1170 msCheck email domains in bulk for disposable providers and dead domains, no key needed.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
Compare all B2B Email & Domain Scorer alternatives · APIs down right now
B2B Email & Domain Scorer API status FAQ
Is B2B Email & Domain Scorer API down right now?
B2B Email & Domain Scorer answered our last daily check (Nov 15, 2026, 13:58 UTC) in 1230 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether B2B Email & Domain Scorer is responding at this moment.
How do you check whether B2B Email & Domain Scorer API is up?
Once a day our checker requests B2B Email & Domain Scorer's listed URL (https://rapidapi.com/MohamedBahaa/api/b2b-email-domain-scorer) 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.
How reliable is B2B Email & Domain Scorer API?
B2B Email & Domain Scorer answered 100% of our last 10 daily checks. Above 99% is excellent for a free API; below 95% means you should cache responses and keep a fallback ready.
What can I use if B2B Email & Domain Scorer API is down?
Free Email APIs that were up at their last check include Kickbox, mail.gw, mail.tm. See the full list of B2B Email & Domain Scorer alternatives for a comparison.
Why does B2B Email & Domain Scorer API work for others but not for me?
B2B Email & Domain Scorer 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 calls fail only in the browser with a CORS error, B2B Email & Domain Scorer may not allow cross-origin requests. Call it from your server instead.