Email validation API
Kickbox, free, 100 verifications, PUT /
$0.00per 1,000 emails
Plan: 100 verifications one of Kickbox's 14 plans
- Free, 100 verifications100 verifications$0.00 per 1,000
- $5 pack, 500 verifications500 verifications$10.00 per 1,000
- $10 pack, 1,000 verifications1,000 verifications$10.00 per 1,000
- $25 pack, 2,500 verifications2,500 verifications$10.00 per 1,000
- $40 pack, 5,000 verifications5,000 verifications$8.00 per 1,000
- $70 pack, 10,000 verifications10,000 verifications$7.00 per 1,000
- $150 pack, 25,000 verifications25,000 verifications$6.00 per 1,000
- $275 pack, 50,000 verifications50,000 verifications$5.50 per 1,000
- $500 pack, 100,000 verifications100,000 verifications$5.00 per 1,000
- $1,100 pack, 250,000 verifications250,000 verifications$4.40 per 1,000
- $1,800 pack, 500,000 verifications500,000 verifications$3.60 per 1,000
- $2,400 pack, 750,000 verifications750,000 verifications$3.20 per 1,000
- $2,999 pack, 1,000,000 verifications1,000,000 verifications$2.999 per 1,000
- Contact us, Over 1M verificationsOver 1M verifications
Call:
PUT / one of Kickbox's 2 callsGET /Free, 100 verifications$0.00 per 1,000verify PUT /Free, 100 verifications$0.00 per 1,000verify-batch
About this item
- Live. The call checks the email when you make it.
- Nothing to pay. You get 100 credits, enough for 100 results, once.
- One call. You send email, X-Kickbox-Callback, X-Kickbox-Filename, include_threat to
PUT /. The call returns a job: another call reads its answer, or the provider sends it to a URL you give.verify-batch - Anyone can get it. Keep data: no limit. Use data: with conditions.
Compare with similar plans
Other providers' plans with the closest prices per 1,000. Like this plan, each is live.
| This planKickbox, free, 100 verifications, PUT /verify-batch | Airscale, free | Anymail Finder, free | BetterEnrich, free, 100 credits free, POST /api/v1/verify-catch-all-email | Bouncer, free, 100 free credits, POST /v1.1/email/verify/batch | |
|---|---|---|---|---|---|
| $ per 1,000 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Billing | free | free | free | free | free |
| Pay | $0 | $0 | $0 | $0 | $0 |
| Enough for | 100 results, once | not published | 500 calls, once | 500 calls, once | 100 results, once |
| Freshness | live | live | live | live | live |
| Who can get it | anyone | anyone 18 or over | businesses only, once per person, on picking a monthly plan with a card checked but not charged, subject to fraud checks | anyone, for lawful business purposes only | anyone 18 or over with a work email, a private one (Gmail, Hotmail) only after writing to Bouncer first |
Sources
From each provider's own pricing page and docs. We read this row from these pages on 2026-10-17.
- docs.kickbox.com/docs/acceptable-use-policy
- docs.kickbox.com/docs/add-threat-score-to-your-api
- docs.kickbox.com/docs/batch-verification-api
- docs.kickbox.com/docs/list-security-and-privacy
- docs.kickbox.com/docs/privacy-policy
- docs.kickbox.com/docs/terminology
- docs.kickbox.com/docs/terms-of-service
- docs.kickbox.com/docs/using-the-api
- docs.kickbox.com/reference/check-job-status
- docs.kickbox.com/reference/verify-multiple-email-addresses
- kickbox.com/email-verification-api
- kickbox.com/pricing
- knowledge.kickbox.com/portal/en/kb/articles/are-credits-purchased-per-list-how-often-do-i-need-to-repurchase
- knowledge.kickbox.com/portal/en/kb/articles/how-is-the-cost-of-email-verification-calculated
- knowledge.kickbox.com/portal/en/kb/articles/is-there-a-monthly-commitment-to-using-kickbox
- knowledge.kickbox.com/portal/en/kb/articles/what-are-email-verification-credits
- knowledge.kickbox.com/portal/en/kb/articles/what-do-unknown-results-mean
- knowledge.kickbox.com/portal/en/kb/articles/will-i-still-be-charged-if-i-get-an-unknown-result
Product details
We list each column of this plan's row on the sheet that has a value.
| $ per 1,000 | $0.00 |
|---|---|
| Billing | free |
| Per | result |
|---|---|
| Extra fields | threat score, threat level: +$0.00 |
| $ per 1,000 | $0.00 |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Batch Verification allows you to verify lists of up to 1 million email addresses without manual upload. Simply send your request body to the Batch Verification Job API and your results will be posted when the job is complete. |
|---|
| Freshness | live |
|---|---|
| Keep data | no limit |
| Use data | Customer and its authorized users shall only use the Services for the verification and/or confirmation of electronic mail addresses in accordance with the terms of this Agreement and will not use them in any manner that may degrade the performance or availability of the Services. [...] Customer shall not resell, lease, rent, transfer, sublicense, or otherwise transfer rights to the Services. Customer shall not use Kickbox to perform competitive analysis. [...] Customer hereby agrees and warrants that Customer and Customer's authorized users will not engage in, encourage, enable, or permit: Using the Services for purposes directly or indirectly relating to the sending of unsolicited bulk commercial email ("Spam") of any kind, Using the Services to verify email address(es) obtained from a third party or obtained indirectly without the recipients' knowledge and consent, Using the Services to verify email address(es) of anyone who has not opted-in, or who has opted-out, of receiving email communications from Customer, Using the Services to harvest email addresses or otherwise determine the existence of unknown email addresses [...] Committing or attempting to commit a crime or facilitate the commission of any crime or other illegal or tortious act, or using the Services for any activity or conduct that is or is likely to be in breach of any applicable laws, codes or regulations, including data protection and privacy laws and laws relating to unsolicited commercial electronic messages [...] Acceptable Use Policy: To use our Service, you must agree to verify only permission-based email addresses. This means all recipients must have opted-in to receive communications from the verifying entity. [...] Purchased lists may not be used with the Service, regardless of the source or permission status. [...] You may not use Kickbox's Service to: verify harvested email addresses from websites or other sources, verify purchased lists (whether they are opt-in or not), verify permutations of email addresses, also known as directory harvesting, verify email addresses generated via email appending, verify email addresses without the subscriber's permission to receive email communications from your entity [...] If you use the Services to verify email addresses obtained in any way other than a subscriber opting-in to your list, you may incur a $100 (US) charge per substantiated incident (i.e. per verification) |
| Pay | $0 |
|---|---|
| You get | 100 credits |
| Enough for | 100 results, once |
| Per second | 133.33 |
|---|---|
| Concurrent | 25 |
| Batch | 1,000,000 |
| Answer | by polling or webhook |
|---|
| You send | email, X-Kickbox-Callback, X-Kickbox-Filename, include_threat |
|---|---|
| Method | PUT |
| Path | /verify-batch |
| Plan | 100 verifications |
|---|---|
| Who can get it | anyone |
The 17 fields in the plan's answer
status, status reason, role address, free email, disposable, catch-all, did you mean, sendex score, email, local part, domain, success, error message, job id, job status, job statistics, download url