Email Validator by LifeStep
Validate email syntax and MX, detect disposable/role addresses, suggest typo fixes
No keyCORSHTTPS
Kickbox
Email verification API
Verified 4 days ago: 100% uptime
API key
Not required
HTTPS
Supported
Browser calls
Yes, CORS enabled
Status
Live · 100/100
What our checks found
- Health score
- 100/100
- Reliability
- 100%
- Average latency
- 1928ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for Kickbox. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# No authentication required.
curl -s "https://open.kickbox.com/ENDPOINT" \
-H "Accept: application/json"Where this listing comes from
Aggregated from one public source (public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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Kickbox — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is Kickbox free to use?
Kickbox is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.
Does Kickbox need an API key?
No. We called Kickbox on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.
Can I call Kickbox from browser JavaScript?
Yes. Kickbox returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.
Is Kickbox still working?
Yes, as of 2026-09-18. Our automated check reached Kickbox and recorded a 100% reliability score with a median response time of 1928 ms. We re-check on a schedule, and this page updates with the result.
Is Kickbox available over HTTPS?
Yes. Kickbox serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.