- Free $0
Check up to 10 addresses a day on the verifier page, no account and no card. Each answer comes with a status, a reason and an action.
- Custom $5/mo
Upload whole lists (CSV or TXT, up to 100,000 rows or 20 MB), analysed for duplicates, typos and malformed rows before a credit is used. One credit per unique address with a definitive answer, from $6.40 per 1,000 down to $1.20 per 1,000 above 100,000; unknowns, duplicates and malformed addresses are free. REST API, MCP server, and spam tests, inbox placement and previews in the same plan.
Kickbox pricing, plan by plan
What Kickbox charges, taken from its own pricing page rather than from a review site, with the free tier and the first paid step called out.
Compared from public pricing and product pages, October 2026.
Free plan or trial
100 free verifications
First paid plan
$5 one-time · 500 credits
Every Kickbox plan
Kickbox sells pay-as-you-go verification credits with no subscription, in 12 paid volume tiers from 500 to 1,000,000. An unknown result is refunded as a credit, and Threat Score costs one extra credit per address only when it finds a signal. Credits expire one year after purchase and are non-refundable. Prices come from Kickbox's pricing page and terms of service.
Plan
Price
What it includes
500 credits
$5 one-time
500 verifications ($0.010/email)
10,000 credits
$70 one-time
10,000 verifications ($0.007/email)
100,000 credits
$500 one-time
100,000 verifications ($0.005/email)
1,000,000 credits
$2,999 one-time
1,000,000 verifications ($0.003/email)
Enterprise
Custom quote
Volumes above 1M verifications
What the same job costs at Unspam
Unspam charges one credit per unique address with a definitive answer, from $6.40 per 1,000 down to $1.20 per 1,000 above 100,000, so the comparison with Kickbox depends mostly on how many addresses you check and how many come back unknown.
Full Unspam vs Kickbox comparison
Compared from public pricing and product pages, October 2026. Kickbox is a trademark of its respective owner. Unspam is not affiliated with or endorsed by Kickbox.