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Comparison

Best B2B Lead Databases for AI Agents in 2026

Ranked by how the plan meters you: per seat, per record, or a flat rate. Lines about other tools quote their own pricing pages, read on 2 September 2026; where a page would not render for us the line says so.

  1. 1

    TAM Graph

    $199 a month, flat. 60M+ company records and 408M+ people, unlimited searches, unlimited CSV exports and an unlimited email finder, through the website, the REST API and an MCP server. No credits and no seats; fair use is 5 requests a second and 500,000 records a day.

  2. 2

    Apollo.io

    Sales platform with a contact database. Its pricing page meters plans in credits, including add-on credits bought mid-cycle, so an export draws down a balance.

  3. 3

    ZoomInfo

    Enterprise sales intelligence. Its pricing page is not publicly readable (check), so the cost of a seat or an export is quoted rather than listed.

  4. 4

    Cognism

    Its pricing page states that credits are used to reveal, enrich or export a contact, and that each seat carries its own credit allocation, so both the seat and the record are metered.

  5. 5

    Lusha

    Its plans page describes credit-based pricing, at one credit per revealed email address.

  6. 6

    Lead411

    Sells verified lead credits; the free trial is 50 of them. You can export as many records as you have credits for.

  7. 7

    Seamless.AI

    Plans are sized in users and credits (the free plan is one user and 50 credits), with bulk credits sold as an add-on.

  8. 8

    UpLead

    Its pricing page states that one credit equals one contact, and that a credit is what unlocks a contact for download or CRM export.

TAM Graph

$199 a month, everything included. A trial of 50 requests costs nothing. See pricing or start the trial.