One-time credit packs: cost per credit
Each one-time pack is a single payment, and the credits do not expire. The cost per credit is the pack price divided by the number of credits.
- 500 credits: $3.75, or $0.0075 per credit
- 1,000 credits: $7.50, or $0.0075 per credit
- 2,500 credits: $17.50, or $0.007 per credit
- 5,000 credits: $30, or $0.006 per credit
- 10,000 credits: $50, or $0.005 per credit
- 25,000 credits: $100, or $0.004 per credit
- 50,000 credits: $175, or $0.0035 per credit
- 100,000 credits: $275, or $0.00275 per credit
Monthly plans: cost per credit
Monthly plans have a lower price per credit than a one-time pack of the same size. Unused monthly credits can roll over for one additional billing cycle.
- 1,000 credits a month: $6.50, or $0.0065 per credit
- 2,500 credits a month: $15, or $0.006 per credit
- 5,000 credits a month: $26, or $0.0052 per credit
- 10,000 credits a month: $44, or $0.0044 per credit
- 25,000 credits a month: $85, or $0.0034 per credit
- 50,000 credits a month: $145, or $0.0029 per credit
- 100,000 credits a month: $225, or $0.00225 per credit
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Use DD VerifyFrom cost per credit to cost per email
One purchased credit covers one Valid, Invalid, or Catch-All result, so for those results the cost per email is the cost per credit. Unknown results and duplicates in the same batch use no purchased credit.
For example, a 10,000-address list that returns 500 Unknown results uses 9,500 purchased credits when no free credits are applied. The Unknown-result billing rules explain the details.
What a price per credit does not show
A unit price does not show whether credits expire or how much free usage you get. DD Verify's rules for credit expiration are covered on their own page, and the daily free allowance is a separate benefit that does not change the tier prices above.
Using the same method for another provider
Take the current published price for the tier you need and divide it by the credits. Then check that provider's rules for expiration and for how Unknown results are charged. Prices change, so use each provider's current pricing page.
You can see DD Verify's current tiers on DD Verify pricing, or test a smaller sample before you buy.
Common questions
What is DD Verify's lowest cost per credit?
At the current 100,000-credit one-time tier, DD Verify works out to $0.00275 per credit. The 100,000-credit monthly plan works out to $0.00225 per credit.
Does buying more email verification credits reduce the unit cost?
At DD Verify, yes. Larger one-time and monthly tiers have a lower cost per credit.
What should I include when comparing cost per email?
Compare the exact package price, expiration, recurring commitments, free allowances, duplicate billing, and whether Unknown results consume purchased credits.
Final thoughts
A price per credit is the starting point for any email verification cost comparison. This page lists DD Verify's cost per credit at every current tier, one-time and monthly, so you can see how the unit price changes with volume. For a wider comparison that covers expiration, free usage, and billing rules, see the broader cheapest-tool comparison.
Want to check an email while you’re here?
Use DD Verify to check an address yourself. You’ll get the verification result plus the underlying signals we can safely surface.
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