Datacircle

Best email validation API in 2026

best-email-validation-api.txt

The three email validation API plans we score highest, with each part of their score and what 1,000 emails cost.

  1. #1

    GetProspect, $369 pack

    Overall score
    75.8Overall score: 75.8 What goes in • Price score: 96, its weight 40 (under Score, on the right) • Data score: 80, its weight 40 (under Score, on the right) • Cost to get started score: 67, its weight 10 (under Score, on the right) • Bundle score: 50, its weight 10 (under Score, on the right) • Performance score: 12, its weight 10 (under Score, on the right) Formula Overall score = (40 × price score + 40 × data score + 10 × cost to get started score + 10 × bundle score + 10 × performance score) / 110 This plan Overall score = (40 × 96.03 + 40 × 80.00 + 10 × 67.22 + 10 × 50.00 + 10 × 12.33) / 110 = 75.7882, shown as 75.8
    Price score
    96Price score: 96 What goes in • $ per 1,000 (Price): $0.369 • $ per 1,000 (Not found): $0, nothing charged • The scored plans of this API: 1388, 63 of them cheaper per 1,000 Formula Price score = 100 × (35 × rank + 5 × not found) / 40 rank = 1 − plans cheaper / scored plans (no limit: 1, blank: 0) not found = 1 − not found $ per 1,000 / $ per 1,000, never under 0 (nothing charged: 1, either one blank: 0) This plan rank = 1 − 63 / 1388 = 0.955 not found = 1 Price score = 100 × (35 × 0.955 + 5 × 1) / 40 = 96.06, shown as 96
    Data score
    80Data score: 80 What goes in • Our benchmark of 20 October 2026 (this score's link), where we called every provider on the same 20 addresses, or on as many of them as its free credits covered • This call's share there: 0.8 Formula Data score = 100 × the share The Data score on Validate email How often the call judges an address right, out of 100: valid when it gets mail, invalid when it bounces. Catch-all, unknown or risky counts as not right. This plan Data score = 100 × 0.8 = 80.00, shown as 80
    Cost to get started score
    67Cost to get started score: 67 What goes in • Who can get it (About the plan): anyone 16 or over • Billing (Price): a pack you pay first • Pay (Plan): $369 Formula Cost to get started score = 100 × (who + billing + least) / 3 who = closed to new users 0, on approval or after a call 0.3, a crypto wallet 0.5, a business email 0.7, none of these 1 billing = pay as you go or free 1, a pack 0.8, monthly 0.7, quarterly 0.5, half-yearly 0.4, yearly 0.3, contact us 0 least = $10 or less 1, else 1 − log10(least / $10) / 2, never under 0 This plan who = 1 billing = 0.8 least = 1 − log10($369 / $10) / 2 = 0.216 Cost to get started score = 100 × (1 + 0.8 + 0.216) / 3 = 67.20, shown as 67
    Bundle score
    50Bundle score: 50 What goes in • Also pays for: 1 other call: Bulk email verifications (/v2/email-verifications) Formula Bundle score = 100 × other calls / (other calls + 1) other calls = what its price also pays for, with its own limit or from the same credits (not read yet: 0) This plan Bundle score = 100 × 1 / (1 + 1) = 50.00, shown as 50
    Performance score
    12Performance score: 12 What goes in • Its median time per call in our benchmark of 20 October 2026, minus the baseline: 3.73 s • Generect, the fastest benchmarked provider: 0.46 s Formula Performance score = 100 × the fastest median / this median time = the call's time minus the mean of three free calls to the same provider just before it, on the same connection where that mean is longer than the call: minus the provider's median baseline, capped at the call's time This plan Performance score = 100 × 0.46 / 3.73 = 12.33, shown as 12
    $ per 1,000
    $0.369
  2. #2

    treg, $10 pack

    Overall score
    71.3Overall score: 71.3 What goes in • Price score: 88, its weight 40 (under Score, on the right) • Data score: 70, its weight 40 (under Score, on the right) • Cost to get started score: 93, its weight 10 (under Score, on the right) • Bundle score: 50, its weight 10 (under Score, on the right) • Performance score: 11, its weight 10 (under Score, on the right) Formula Overall score = (40 × price score + 40 × data score + 10 × cost to get started score + 10 × bundle score + 10 × performance score) / 110 This plan Overall score = (40 × 87.50 + 40 × 70.00 + 10 × 93.33 + 10 × 50.00 + 10 × 11.42) / 110 = 71.3409, shown as 71.3
    Price score
    88Price score: 88 What goes in • $ per 1,000 (Price): $0.00 • $ per 1,000 (Not found): $26.95 • The scored plans of this API: 1388, 0 of them cheaper per 1,000 Formula Price score = 100 × (35 × rank + 5 × not found) / 40 rank = 1 − plans cheaper / scored plans (no limit: 1, blank: 0) not found = 1 − not found $ per 1,000 / $ per 1,000, never under 0 (nothing charged: 1, either one blank: 0) This plan rank = 1 − 0 / 1388 = 1 not found = 0 Price score = 100 × (35 × 1 + 5 × 0) / 40 = 87.50, shown as 88
    Data score
    70Data score: 70 What goes in • Our benchmark of 20 October 2026 (this score's link), where we called every provider on the same 20 addresses, or on as many of them as its free credits covered • This call's share there: 0.7 Formula Data score = 100 × the share The Data score on Validate email How often the call judges an address right, out of 100: valid when it gets mail, invalid when it bounces. Catch-all, unknown or risky counts as not right. This plan Data score = 100 × 0.7 = 70.00, shown as 70
    Cost to get started score
    93Cost to get started score: 93 What goes in • Who can get it (About the plan): anyone 16 or over • Billing (Price): a pack you pay first • Pay (Plan): $10 Formula Cost to get started score = 100 × (who + billing + least) / 3 who = closed to new users 0, on approval or after a call 0.3, a crypto wallet 0.5, a business email 0.7, none of these 1 billing = pay as you go or free 1, a pack 0.8, monthly 0.7, quarterly 0.5, half-yearly 0.4, yearly 0.3, contact us 0 least = $10 or less 1, else 1 − log10(least / $10) / 2, never under 0 This plan who = 1 billing = 0.8 least = 1 ($10 is $10 or less) Cost to get started score = 100 × (1 + 0.8 + 1) / 3 = 93.33, shown as 93
    Bundle score
    50Bundle score: 50 What goes in • Also pays for: 1 other call: every metered catalog call Formula Bundle score = 100 × other calls / (other calls + 1) other calls = what its price also pays for, with its own limit or from the same credits (not read yet: 0) This plan Bundle score = 100 × 1 / (1 + 1) = 50.00, shown as 50
    Performance score
    11Performance score: 11 What goes in • Its median time per call in our benchmark of 20 October 2026, minus the baseline: 4.028 s • Generect, the fastest benchmarked provider: 0.46 s Formula Performance score = 100 × the fastest median / this median time = the call's time minus the mean of three free calls to the same provider just before it, on the same connection where that mean is longer than the call: minus the provider's median baseline, capped at the call's time This plan Performance score = 100 × 0.46 / 4.028 = 11.42, shown as 11
    $ per 1,000
    $0.00
  3. #3

    Neutrino API, $50 monthly, Tier 2, GET /email-verify

    Overall score
    68.6Overall score: 68.6 What goes in • Price score: 84, its weight 40 (under Score, on the right) • Data score: 58, its weight 40 (under Score, on the right) • Cost to get started score: 78, its weight 10 (under Score, on the right) • Bundle score: 95, its weight 10 (under Score, on the right) • Performance score: 11, its weight 10 (under Score, on the right) Formula Overall score = (40 × price score + 40 × data score + 10 × cost to get started score + 10 × bundle score + 10 × performance score) / 110 This plan Overall score = (40 × 84.41 + 40 × 58.33 + 10 × 78.35 + 10 × 95.24 + 10 × 10.57) / 110 = 68.6473, shown as 68.6
    Price score
    84Price score: 84 What goes in • $ per 1,000 (Price): $0.333 • $ per 1,000 (Not found): blank, its pages don't say • The scored plans of this API: 1388, 49 of them cheaper per 1,000 Formula Price score = 100 × (35 × rank + 5 × not found) / 40 rank = 1 − plans cheaper / scored plans (no limit: 1, blank: 0) not found = 1 − not found $ per 1,000 / $ per 1,000, never under 0 (nothing charged: 1, either one blank: 0) This plan rank = 1 − 49 / 1388 = 0.965 not found = 0 Price score = 100 × (35 × 0.965 + 5 × 0) / 40 = 84.44, shown as 84
    Data score
    58Data score: 58 What goes in • Our benchmark of 20 October 2026 (this score's link), where we called this provider on 12 of the same 20 addresses, as many as its free credits covered • This call's share there: 0.5833 Formula Data score = 100 × the share The Data score on Validate email How often the call judges an address right, out of 100: valid when it gets mail, invalid when it bounces. Catch-all, unknown or risky counts as not right. This plan Data score = 100 × 0.5833 = 58.33, shown as 58
    Cost to get started score
    78Cost to get started score: 78 What goes in • Who can get it (About the plan): anyone • Billing (Price): monthly • Pay (Plan): $50 Formula Cost to get started score = 100 × (who + billing + least) / 3 who = closed to new users 0, on approval or after a call 0.3, a crypto wallet 0.5, a business email 0.7, none of these 1 billing = pay as you go or free 1, a pack 0.8, monthly 0.7, quarterly 0.5, half-yearly 0.4, yearly 0.3, contact us 0 least = $10 or less 1, else 1 − log10(least / $10) / 2, never under 0 This plan who = 1 billing = 0.7 least = 1 − log10($50 / $10) / 2 = 0.651 Cost to get started score = 100 × (1 + 0.7 + 0.651) / 3 = 78.37, shown as 78
    Bundle score
    95Bundle score: 95 What goes in • Also pays for: 20 other calls: Bad Word Filter, BIN Lookup, Browser Bot, Convert, Domain Lookup, Email Validate, Geocode Address, Geocode Reverse, Host Reputation, HTML Clean, HTML Render, Image Resize, Image Watermark, IP Blocklist, IP Info, IP Probe, Phone Validate, QR Code, UA Lookup, URL Info Formula Bundle score = 100 × other calls / (other calls + 1) other calls = what its price also pays for, with its own limit or from the same credits (not read yet: 0) This plan Bundle score = 100 × 20 / (20 + 1) = 95.24, shown as 95
    Performance score
    11Performance score: 11 What goes in • Its median time per call in our benchmark of 20 October 2026, minus the baseline: 4.353 s • Generect, the fastest benchmarked provider: 0.46 s Formula Performance score = 100 × the fastest median / this median time = the call's time minus the mean of three free calls to the same provider just before it, on the same connection where that mean is longer than the call: minus the provider's median baseline, capped at the call's time This plan Performance score = 100 × 0.46 / 4.353 = 10.57, shown as 11
    $ per 1,000
    $0.333