# email-validation.org vs Kickbox: Prices and Accuracy URL: https://email-validation.org/email-validation-org-vs-kickbox/ Updated: 2026-10-29 > Documentation index: https://email-validation.org/llms.txt Two email verification services, side by side. We cost less per 1,000 credits at all 6 sizes compared, and we guarantee 99.2% accuracy on bulk lists, refunding the difference when a list falls short. Kickbox has a published speed (about 10 hours for 1,000,000 emails when scaled by us; we have not timed a list that size yet). - Price per 1,000 credits Edge: email-validation.org - **email-validation.org**: Lower at all 6 sizes - **Kickbox**: Lower at none List prices, checked Oct 24, 2026. - Accuracy promise Different promises - **email-validation.org**: 99.2% on bulk lists, guaranteed in writing - **Kickbox**: “99.5%” claimed Kickbox states its own figure; we found no refund tied to bounces or accuracy. Ours is a written minimum with a refund. - Unknown results Similar - **email-validation.org**: Always free - **Kickbox**: Free Kickbox also says unknowns are free; the table says where. - Credit expiry No clear edge - **email-validation.org**: 24 months - **Kickbox**: Not stated on the pricing page Ours last 24 months after they are granted. - Time for 1,000,000 emails Edge: Kickbox - **email-validation.org**: Not measured yet - **Kickbox**: About 10 hours, scaled by us from their stated rate Kickbox publishes a rate; we scaled it to 1,000,000 and have not yet timed a list that size. ## Price per 1,000 credits at each size compared Shorter bar, lower price. Where our pack holds more credits than theirs, we compare the price per 1,000 credits and show both packs. List prices checked Oct 24, 2026. Promotions excluded. 1. **10k** 67% less with us email-validation.org $2.33 15,000 for $35 Kickbox $7.00 10,000 for $70 2. **25k** 73% less with us email-validation.org $1.63 30,000 for $49 Kickbox $6.00 25,000 for $150 3. **50k** 76% less with us email-validation.org $1.32 60,000 for $79 Kickbox $5.50 50,000 for $275 4. **100k** 75% less with us email-validation.org $1.26 110,000 for $139 Kickbox $5.00 100,000 for $500 5. **500k** 85% less with us email-validation.org $0.547 510,000 for $279 Kickbox $3.60 500,000 for $1,800 6. **1M** 85% less with us email-validation.org $0.450 1,000,000 for $450 Kickbox $3.00 1,000,000 for $2,999 ## Accuracy and what each one promises Every verifier says it is accurate. What matters is what you get back when it is not. email-validation.org 99.2%guaranteed on bulk lists - We guarantee that at least 99.2% of the valid and invalid results of every bulk list are right, or we refund the difference. - Refund = 99.2% minus the measured accuracy, as a share of what the list cost. A list at 70% gets 29.2% back, paid to the original payment method. - Claim within 15 days with your bounce evidence. A person decides every claim. - Not covered, among others: catch-all, disposable and unknown results (unknowns are never charged) and single checks. The guarantee page lists every condition. [Read the accuracy guarantee](https://email-validation.org/guarantee/) Kickbox “99.5%”their own claim - Their page kickbox.com/email-list-verification/ gives their own figure, “99.5%”, read Oct 29, 2026. We have not tested it. - We found no refund promise tied to bounces or accuracy on those pages. [Kickbox's site](https://kickbox.com/email-list-verification/) We have not tested Kickbox's accuracy, and ours has not been independently tested either. Our accuracy guarantee refunds the difference when a bulk list's valid and invalid results are less than 99.2% right. ## Everything compared | Compared | email-validation.org | Kickbox | | --- | --- | --- | | 10,000 credits | $35 for 15,000 ($2.33 per 1,000) | $70 ($7.00 per 1,000) | | 25,000 credits | $49 for 30,000 ($1.63 per 1,000) | $150 ($6.00 per 1,000) | | 50,000 credits | $79 for 60,000 ($1.32 per 1,000) | $275 ($5.50 per 1,000) | | 100,000 credits | $139 for 110,000 ($1.26 per 1,000) | $500 ($5.00 per 1,000) | | 500,000 credits | $279 for 510,000 ($0.55 per 1,000) | $1,800 ($3.60 per 1,000) | | 1,000,000 credits | $450 ($0.45 per 1,000) | $2,999 ($3.00 per 1,000) | | 5,000,000 credits | $1,499 ($0.30 per 1,000) | not listed | | 10,000,000 credits | $2,399 ($0.24 per 1,000) | not listed | | Free credits | Up to 500 on sign-up (100 with a free email provider) | 100 | | Credit expiry | 24 months after they are granted | Not stated on the pricing page | | Unknown results | Free | Free | | Pricing model | One-time packs | One-time packs | | Time to verify 1,000,000 emails | Not measured yet (we have not yet timed a list of 1,000,000 addresses) | About 10 hours (scaled by us to 1,000,000 from their stated 100,000 emails in about an hour on average) | ## Where Kickbox may be the better choice - A longer track record: our launch month is November 2026. - Features we did not compare here, such as native integrations with other tools. Check their site for those. ## Where email-validation.org differs - A lower price per 1,000 credits at 10,000 credits ($2.33 against $7.00 per 1,000: 15,000 for $35 against 10,000 for $70), 25,000 credits ($1.63 against $6.00 per 1,000: 30,000 for $49 against 25,000 for $150), 50,000 credits ($1.32 against $5.50 per 1,000: 60,000 for $79 against 50,000 for $275), 100,000 credits ($1.26 against $5.00 per 1,000: 110,000 for $139 against 100,000 for $500), 500,000 credits ($0.55 against $3.60 per 1,000: 510,000 for $279 against 500,000 for $1,800) and 1,000,000 credits ($450 against $2,999). - Free credits on sign-up: 500, or 100 with a free email provider, against 100 published by Kickbox. - Our credits expire 24 months after they are granted; Kickbox: not stated on the pricing page. - The first 3 payments earn bonus credits. See [pricing](https://email-validation.org/pricing/). - Developer tools: OpenAPI 3.1, webhooks, an [MCP server](https://email-validation.org/integrations/mcp/) and SDKs for 10 languages (some coming soon). ## Other comparisons - [email-validation.org vs DeBounce](https://email-validation.org/email-validation-org-vs-debounce/) - [email-validation.org vs MillionVerifier](https://email-validation.org/email-validation-org-vs-millionverifier/) - [email-validation.org vs NeverBounce](https://email-validation.org/email-validation-org-vs-neverbounce/) - [email-validation.org vs Bouncer](https://email-validation.org/email-validation-org-vs-bouncer/) - [email-validation.org vs Emailable](https://email-validation.org/email-validation-org-vs-emailable/) - [email-validation.org vs Clearout](https://email-validation.org/email-validation-org-vs-clearout/) - [email-validation.org vs Hunter](https://email-validation.org/email-validation-org-vs-hunter/) Ready to try email-validation.org? See [bulk email verification](https://email-validation.org/bulk-email-verification/) for lists, the [email verification API](https://email-validation.org/email-verification-api/) for your product, the [free email checker](https://email-validation.org/email-checker/) for one address, and [why email-validation.org is different](https://email-validation.org/why/). ## Sources - Kickbox: [kickbox.com/pricing/](https://kickbox.com/pricing/), policies first read Oct 20, 2026, prices re-read Oct 24, 2026. Excluded promotion: 30% off all verification credits with a code (until Dec 1, 2026). Time for 1,000,000 emails: [kickbox.com/pricing/](https://kickbox.com/pricing/) (read Oct 26, 2026). They state 100,000 emails in about an hour on average. The same page offers faster processing for a tough deadline on request. Their docs (docs.kickbox.com/docs/uploading-and-importing-lists) accept lists of up to 1,000,000 addresses. Every pack price on this page was re-read on the pricing pages above on Oct 24, 2026; the policy dates are the days we read each policy. On this page only: Kickbox's accuracy statement was read on its site on Oct 29, 2026. How we compared: published list prices of one-time packs, free credits, credit expiry, unknown-result billing and the published time for 1,000,000 emails, read on each service's own pages, with promotions left out and no ranking. [The full method](https://email-validation.org/compare/#method). Spotted a statement about another service that is wrong or out of date? Email [legal@email-validation.org](mailto:legal@email-validation.org); a person reads it. DeBounce, MillionVerifier, NeverBounce, Bouncer, Emailable, Clearout, Kickbox and Hunter are trademarks of their respective owners. email-validation.org is not affiliated with or endorsed by them. [All services compared](https://email-validation.org/compare/) ## Get up to 500 free credits. No card needed. Try it on your own list before you buy. [Create your account](https://email-validation.org/signin/?new=1) [Open the free email checker](https://email-validation.org/email-checker/) ## Frequently asked questions **Is email-validation.org cheaper than Kickbox?** At the list prices we checked on Oct 24, 2026, email-validation.org costs less at every size both services list (per 1,000 credits where our pack holds more): 10,000 credits, $2.33 against $7.00 per 1,000: 15,000 for $35 against 10,000 for $70; 25,000 credits, $1.63 against $6.00 per 1,000: 30,000 for $49 against 25,000 for $150; 50,000 credits, $1.32 against $5.50 per 1,000: 60,000 for $79 against 50,000 for $275; 100,000 credits, $1.26 against $5.00 per 1,000: 110,000 for $139 against 100,000 for $500; 500,000 credits, $0.55 against $3.60 per 1,000: 510,000 for $279 against 500,000 for $1,800; 1,000,000 credits, $450 against $2,999. **Do credits expire with Kickbox?** Kickbox's pricing page (kickbox.com/pricing/), read Oct 20, 2026, does not say whether credits expire. With email-validation.org, every credit expires 24 months after it is granted, and we spend the soonest-expiring credits first. **Are unknown results free with Kickbox?** According to Kickbox's pricing page (kickbox.com/pricing/), read Oct 20, 2026: unknown results are free. With email-validation.org, unknown results are always free.