KillBounce
AutomatedEmail verification service with three-layer probing (syntax, DNS/MX, live SMTP), deliverability scoring, and bulk CSV upload.
KillBounce has 9 plans: a free plan and paid plans from $10. The last price change we recorded was on 9 September 2026.
KillBounce plans and prices
Trial
$0
- Credits — 1,000
- Free credits — 100
- No credit card
- Credits never expire
- Credit-back guarantee
- Three-layer probe — syntax, DNS/MX, live SMTP
- 0–100 deliverability score per address
- Catch-all, disposable, and role-based flagging
Show all 13 featuresShow fewer
- Single email + bulk CSV upload (up to 5M per job)
- REST API + API keys, rotatable from the dashboard
- Webhooks for async bulk-job completion
- Verified result cached 7 days — no re-billing on duplicates
- 1 credit refunded if we say valid and the address bounces
Starter
one time$10
- 1,000 credits
- $0.0040/email
- Credits never expire
- Credit-back guarantee
Growth
one time$20
$20.00 (10,000 credits)
- Credits — 10,000
- Free credits — 100
- No credit card
- Credits never expire
- Credit-back guarantee
- Three-layer probe — syntax, DNS/MX, live SMTP
- 0–100 deliverability score per address
- Catch-all, disposable, and role-based flagging
Show all 13 featuresShow fewer
- Single email + bulk CSV upload (up to 5M per job)
- REST API + API keys, rotatable from the dashboard
- Webhooks for async bulk-job completion
- Verified result cached 7 days — no re-billing on duplicates
- 1 credit refunded if we say valid and the address bounces
Professional
one time$40
$40.00 (25,000 credits)
- Credits — 25,000
- Free credits — 100
- No credit card
- Credits never expire
- Credit-back guarantee
- Three-layer probe — syntax, DNS/MX, live SMTP
- 0–100 deliverability score per address
- Catch-all, disposable, and role-based flagging
Show all 13 featuresShow fewer
- Single email + bulk CSV upload (up to 5M per job)
- REST API + API keys, rotatable from the dashboard
- Webhooks for async bulk-job completion
- Verified result cached 7 days — no re-billing on duplicates
- 1 credit refunded if we say valid and the address bounces
Business
one time$70
$70.00 (50,000 credits)
- Credits — 50,000
- Free credits — 100
- No credit card
- Credits never expire
- Credit-back guarantee
- Three-layer probe — syntax, DNS/MX, live SMTP
- 0–100 deliverability score per address
- Catch-all, disposable, and role-based flagging
Show all 13 featuresShow fewer
- Single email + bulk CSV upload (up to 5M per job)
- REST API + API keys, rotatable from the dashboard
- Webhooks for async bulk-job completion
- Verified result cached 7 days — no re-billing on duplicates
- 1 credit refunded if we say valid and the address bounces
Enterprise
one time$750
$750.00 (1,000,000 credits)
- Credits — 1,000,000
- Free credits — 100
- No credit card
- Credits never expire
- Credit-back guarantee
- Three-layer probe — syntax, DNS/MX, live SMTP
- 0–100 deliverability score per address
- Catch-all, disposable, and role-based flagging
Show all 13 featuresShow fewer
- Single email + bulk CSV upload (up to 5M per job)
- REST API + API keys, rotatable from the dashboard
- Webhooks for async bulk-job completion
- Verified result cached 7 days — no re-billing on duplicates
- 1 credit refunded if we say valid and the address bounces
Premium
one time$120
$120.00 for 100,000 credits
- Credits — 100,000
- Free credits — 100
- No credit card
- Credits never expire
- Credit-back guarantee
- Three-layer probe — syntax, DNS/MX, live SMTP
- 0–100 deliverability score per address
- Catch-all, disposable, and role-based flagging
Show all 13 featuresShow fewer
- Single email + bulk CSV upload (up to 5M per job)
- REST API + API keys, rotatable from the dashboard
- Webhooks for async bulk-job completion
- Verified result cached 7 days — no re-billing on duplicates
- 1 credit refunded if we say valid and the address bounces
Volume
one time$200
$200.00 for 200,000 credits
- Credits — 200,000
- Free credits — 100
- No credit card
- Credits never expire
- Credit-back guarantee
- Three-layer probe — syntax, DNS/MX, live SMTP
- 0–100 deliverability score per address
- Catch-all, disposable, and role-based flagging
Show all 13 featuresShow fewer
- Single email + bulk CSV upload (up to 5M per job)
- REST API + API keys, rotatable from the dashboard
- Webhooks for async bulk-job completion
- Verified result cached 7 days — no re-billing on duplicates
- 1 credit refunded if we say valid and the address bounces
Scale
one time$450
$450.00 for 500,000 credits
- Credits — 500,000
- Free credits — 100
- No credit card
- Credits never expire
- Credit-back guarantee
- Three-layer probe — syntax, DNS/MX, live SMTP
- 0–100 deliverability score per address
- Catch-all, disposable, and role-based flagging
Show all 13 featuresShow fewer
- Single email + bulk CSV upload (up to 5M per job)
- REST API + API keys, rotatable from the dashboard
- Webhooks for async bulk-job completion
- Verified result cached 7 days — no re-billing on duplicates
- 1 credit refunded if we say valid and the address bounces
Price history
Last 4 recorded changes
$4.00→$10.00(+150.0%)
| Date | Plan | Change | Old | New | Δ% |
|---|---|---|---|---|---|
| Sep 9, 2026 | Starter | Increase | $4 | $10 | +150.0% |
| Jul 28, 2026 | Scale | New plan | — | $450 | — |
| Jul 28, 2026 | Volume | New plan | — | $200 | — |
| Jul 28, 2026 | Premium | New plan | — | $120 | — |
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