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Comparison

Best Lead Enrichment APIs in 2026

Enrichment is where credit pricing bites hardest: a mobile number can cost ten times an email, and unused credits may not carry over. Each line below is what the vendor's own pricing page said on 2 September 2026.

  1. 1

    TAM Graph

    Enrichment is included in the plan. GET /v1/company/{domain} returns the merged record for a domain across every dataset, and GET /v1/email-pattern/{domain} returns the naming pattern, generic inboxes and MX records. The email finder is unlimited under fair use at $199 a month, with no per-enrichment charge and nothing to expire.

  2. 2

    FullEnrich

    Waterfall enrichment. Its pricing page publishes a per-credit rate, charges ten credits for a mobile number against one for a work email, and rolls credits over for three months.

  3. 3

    Dropcontact

    Email finding and contact cleaning. Sold as monthly credit packages; API and MCP access come with the plan.

  4. 4

    Hunter

    Domain search and verification through one monthly credit allowance shared by the finder and the verifier.

  5. 5

    Apollo.io

    Enrichment draws on the same credit balance as prospecting, including add-on credits bought mid-cycle.

  6. 6

    Clearbit

    Its site states that Clearbit has joined HubSpot; check how enrichment is packaged there now.

  7. 7

    Prospeo

    Email and company data. The pricing page did not render a plan table for us; check the current credit terms.

  8. 8

    Findymail

    Email finding and verification. The pricing page was not reachable for us; check the current credit terms.

TAM Graph

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