QubitOn pricing: email verification API
Is QubitOn yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.
POST / api/ email/ validate QubitOn's only call for this API- Email verification API
- Phone validation API
- Business verification API
POST /api/ babusinessregistration/ lookup - Business verification API
POST /api/ businessregistration/ lookup - Business verification API
POST /api/ cabusinessregistration/ lookup - Business verification API
POST /api/ canonprofit/ lookup - Business verification API
POST /api/ cnbusinessregistration/ lookup - Business verification API
POST /api/ cobusinessregistration/ lookup - Business verification API
POST /api/ czbusinessregistration/ lookup - Business verification API
POST /api/ debusinessregistration/ lookup - Business verification API
POST /api/ hubusinessregistration/ lookup - Business verification API
POST /api/ ilbusinessregistration/ lookup - Business verification API
POST /api/ jpbusinessregistration/ lookup - Business verification API
POST /api/ nzbusinessregistration/ lookup - Business verification API
POST /api/ nobusinessregistration/ lookup - Business verification API
POST /api/ plbusinessregistration/ lookup - Business verification API
POST /api/ sgbusinessregistration/ lookup - Business verification API
POST /api/ sebusinessregistration/ lookup - Business verification API
POST /api/ chbusinessregistration/ lookup - Business verification API
POST /api/ ukbusinessregistration/ lookup - Business verification API
POST /api/ usbusinessregistration/ lookup - Business verification API
POST /api/ vnbusinessregistration/ lookup - Company enrichment API
- Company hierarchy API
POST /api/ corporatehierarchy/ lookup - Company hierarchy API
POST /api/ company/ hierarchy/ lookup
About this item
- Live. QubitOn checks the email when you call the API.
- 3 of the 6 key fields we check. Address, Deliverability, Confidence.
- Nothing to pay. You get 100 requests a month.
- One call. You send
emailAddressandrequestedByClienttoPOST /. The call returns whether the address takes mail.api/ email/ validate - Anyone can get it. Keep data: no API terms. Use data: no API terms.
QubitOn: email verification API alternatives
QubitOn alternatives: every email verification API provider ranked
We list other providers' plans closest to this plan in price per 1,000 emails. Each plan in the table gives live data.
| This planQubitOn, free | MailTester Ninja, free, No token | Enrich.so, free, POST /email-validation | GetProspect, free, POST /v2/email-verifications | Sealch, free, POST /api/verify | MailInput, free | |
|---|---|---|---|---|---|---|
| $ per 1,000 emails | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Completeness | 50% | 50% | 50% | 50% | 17% | 50% |
| Billing | free | free | free | free | free | free |
| Pay | $0 | $0 | $0 | $0 | $0 | $0 |
| Enough for | 100 calls a month | 300 calls a month | 100 calls, once | 100 results a month | 200 calls, once | 6,000 calls a month |
| Freshness | live | live | live | live | live | live |
| Who can get it | anyone | anyone at least 18 years old, or the age of majority in their jurisdiction | anyone 18 or over, on a new account, for an organization, someone with authority to bind it | anyone 16 or over | anyone | anyone |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Address
- Deliverability
- Confidence
- Name, not in the answer
- Place, not in the answer
- Company, not in the answer
| $ per 1,000 emails | $0.00 |
|---|---|
| Per | call |
| Billing | free |
| Aggregators | none |
|---|
| $ per 1,000 emails | $1,500.00 |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Verify email deliverability and detect fraud in real time |
|---|
| Freshness | live |
|---|---|
| What it checks | format, mail servers, disposable domains, role addresses, mailbox |
| Keep data | no API terms |
| Use data | no API terms |
| Pay | $0 |
|---|---|
| You get | 100 requests a month |
| Enough for | 100 calls a month |
| Per second | 0.17 |
|---|---|
| Batch | 1 |
| Answer | in the call |
|---|
| You send | emailAddress, requestedByClient. Optional: sourceUniqueId, qubitOnUniqueId, requestedByApplication, requestedByApplicationUrl, requestedByIPAddress, emailType |
|---|---|
| Method | POST |
| Path | /api/email/validate |
| Plan | Free |
|---|---|
| Who can get it | anyone |
The 14 fields the plan's answer can hold
source unique ID, QubitOn unique ID, score, validation result code, source result code, validation pass, validation description, validation date, validation type, validation sub-type, additional info, email type, email address, fraud score