Datacircle

Best cached email finder API in 2026

best-cached-email-finder-api.txt

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

  1. #1

    LeadIQ, $204.25 monthly

    Overall score
    42.1Overall score: 42.1 What goes in • Price score: 60, its weight 40 (under Score, on the right) • Data score: 13, its weight 40 (under Score, on the right) • Cost to get started score: 68, its weight 10 (under Score, on the right) • Bundle score: 86, its weight 10 (under Score, on the right) • Performance score: 14, 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 × 60.28 + 40 × 13.33 + 10 × 68.16 + 10 × 85.71 + 10 × 14.35) / 110 = 42.06, shown as 42.1
    Price score
    60Price score: 60 What goes in • $ per 1,000 (Price): $43.00 • $ per 1,000 (Not found): blank, its pages don't say • The scored plans of this API: 135, 42 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 − 42 / 135 = 0.689 not found = 0 Price score = 100 × (35 × 0.689 + 5 × 0) / 40 = 60.29, shown as 60
    Data score
    13Data score: 13 What goes in • Our benchmark of 20 October 2026 (this score's link), where we called every provider on the same 15 people, or on as many of them as its free credits covered • This call's share there: 0.1333 Formula Data score = 100 × the share The Data score on Find cached email How often the call gives the right work email, out of 100: the share of the people we called for whom it gave the address we know is theirs. We called only people who wrote to us from their work email, so no provider's answer is taken as the truth. Each provider here answers from a copy it keeps. This plan Data score = 100 × 0.1333 = 13.33, shown as 13
    Cost to get started score
    68Cost to get started score: 68 What goes in • Who can get it (About the plan): anyone, for their internal business purpose only, 18 or over with authority to bind it when accepting for a company, not in a US-embargoed country or on a US restricted list • Billing (Price): monthly • Pay (Plan): $204.25 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($204.25 / $10) / 2 = 0.345 Cost to get started score = 100 × (1 + 0.7 + 0.345) / 3 = 68.17, shown as 68
    Bundle score
    86Bundle score: 86 What goes in • Also pays for: 6 other calls: Unlock a phone number (mobile or work), Access company data (API), Unlock a profile (API and MCP Server only), Scribe Email Generation, Scribe Email Opener / 1-liner, Scribe Value Proposition Generation 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 × 6 / (6 + 1) = 85.71, shown as 86
    Performance score
    14Performance score: 14 What goes in • Its median time per call in our benchmark of 20 October 2026, minus the baseline: 0.697 s • The Swarm, the fastest benchmarked provider: under 0.1 s, counted as 0.1 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 a median under 0.1 s counts as 0.1 s, since the baseline we take off varies by about 0.1 s This plan Performance score = 100 × 0.1 / 0.697 = 14.35, shown as 14
    $ per 1,000
    $43.00
  2. #2

    Lusha, $362.40 monthly

    Overall score
    40.5Overall score: 40.5 What goes in • Price score: 16, its weight 40 (under Score, on the right) • Data score: 50, its weight 40 (under Score, on the right) • Cost to get started score: 54, its weight 10 (under Score, on the right) • Bundle score: 94, its weight 10 (under Score, on the right) • Performance score: 32, 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 × 16.20 + 40 × 50.00 + 10 × 54.01 + 10 × 93.75 + 10 × 32.47) / 110 = 40.4573, shown as 40.5
    Price score
    16Price score: 16 What goes in • $ per 1,000 (Price): $226.50 • $ per 1,000 (Not found): blank, its pages don't say • The scored plans of this API: 135, 110 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 − 110 / 135 = 0.185 not found = 0 Price score = 100 × (35 × 0.185 + 5 × 0) / 40 = 16.19, shown as 16
    Data score
    50Data score: 50 What goes in • Our benchmark of 20 October 2026 (this score's link), where we called this provider on 6 of the same 15 people, as many as its free credits covered • This call's share there: 0.5 Formula Data score = 100 × the share The Data score on Find cached email How often the call gives the right work email, out of 100: the share of the people we called for whom it gave the address we know is theirs. We called only people who wrote to us from their work email, so no provider's answer is taken as the truth. Each provider here answers from a copy it keeps. This plan Data score = 100 × 0.5 = 50.00, shown as 50
    Cost to get started score
    54Cost to get started score: 54 What goes in • Who can get it (About the plan): anyone 18 or over with a business email, read as a business email • Billing (Price): monthly • Pay (Plan): $362.40 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 = 0.7 billing = 0.7 least = 1 − log10($362.40 / $10) / 2 = 0.22 Cost to get started score = 100 × (0.7 + 0.7 + 0.22) / 3 = 54.00, shown as 54
    Bundle score
    94Bundle score: 94 What goes in • Also pays for: 15 other calls: Account Usage API, Search Contacts, Enrich Contacts, Prospecting Contacts, Search Companies, Enrich Companies, Search and Enrich Companies, Prospecting Companies, Signals API, Lookalikes API, Tables API, Webhooks API, Buying Group API, ICP Fit Score API, Conversations API 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 × 15 / (15 + 1) = 93.75, shown as 94
    Performance score
    32Performance score: 32 What goes in • Its median time per call in our benchmark of 20 October 2026, minus the baseline: 0.308 s • The Swarm, the fastest benchmarked provider: under 0.1 s, counted as 0.1 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 a median under 0.1 s counts as 0.1 s, since the baseline we take off varies by about 0.1 s This plan Performance score = 100 × 0.1 / 0.308 = 32.47, shown as 32
    $ per 1,000
    $226.50
  3. #3

    Explorium, $149.99 pack

    Overall score
    35.4Overall score: 35.4 What goes in • Price score: 37, its weight 40 (under Score, on the right) • Data score: 20, its weight 40 (under Score, on the right) • Cost to get started score: 74, its weight 10 (under Score, on the right) • Bundle score: 75, 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 × 37.13 + 40 × 20.00 + 10 × 73.73 + 10 × 75.00 + 10 × 11.78) / 110 = 35.3664, shown as 35.4
    Price score
    37Price score: 37 What goes in • $ per 1,000 (Price): $60.00 • $ per 1,000 (Not found): $0, nothing charged • The scored plans of this API: 135, 97 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 − 97 / 135 = 0.281 not found = 1 Price score = 100 × (35 × 0.281 + 5 × 1) / 40 = 37.09, shown as 37
    Data score
    20Data score: 20 What goes in • Our benchmark of 20 October 2026 (this score's link), where we called every provider on the same 15 people, or on as many of them as its free credits covered • This call's share there: 0.2 Formula Data score = 100 × the share The Data score on Find cached email How often the call gives the right work email, out of 100: the share of the people we called for whom it gave the address we know is theirs. We called only people who wrote to us from their work email, so no provider's answer is taken as the truth. Each provider here answers from a copy it keeps. This plan Data score = 100 × 0.2 = 20.00, shown as 20
    Cost to get started score
    74Cost to get started score: 74 What goes in • Who can get it (About the plan): anyone 18 or over, not a direct competitor of Explorium • Billing (Price): a pack you pay first • Pay (Plan): $149.99 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($149.99 / $10) / 2 = 0.412 Cost to get started score = 100 × (1 + 0.8 + 0.412) / 3 = 73.73, shown as 74
    Bundle score
    75Bundle score: 75 What goes in • Also pays for: 3 other calls: Generate, Enrichments, Events 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 × 3 / (3 + 1) = 75.00, shown as 75
    Performance score
    12Performance score: 12 What goes in • Its median time per call in our benchmark of 20 October 2026, minus the baseline: 0.849 s • The Swarm, the fastest benchmarked provider: under 0.1 s, counted as 0.1 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 a median under 0.1 s counts as 0.1 s, since the baseline we take off varies by about 0.1 s This plan Performance score = 100 × 0.1 / 0.849 = 11.78, shown as 12
    $ per 1,000
    $60.00