Datacircle

Leadbase pricing: email finder API

Leadbase's siteThis page as plain textEmail finder API in 2026: the best of 100+ comparedLeadbase: email finder API alternatives

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0% complete: none of the 10 fields on our checklistSee the 10 fields
$0.00per 1,000 emailsWe haven't run Leadbase through our email finder API benchmark yet.This plan is free. We rank 1,846 plans for email finder APIs by price. Half the plans cost $20.00 or less per 1,000 emails. See the best free email finder API plan.Lakewave's $19 monthly plan costs the least per 1,000 emails. Lakewave's email finder API costs nothing beyond the plan price. StableEnrich's pay-as-you-go plan costs the least for 10,000 emails a month: $1.00.ClearBounce's $4 pack covers any number of emails. ClearBounce's $4 pack costs less up front than Lakewave's $19 monthly plan.GetProspect, DiscoLike and Icypeas are the best email finder API providers in the Datacircle benchmark.
Type a number to see the cheapest Leadbase plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: Free one of Leadbase's 4 plans
Call: POST /api/v1/operations/prospects.find_email Leadbase's only call for this API
API: Email finder API one of Leadbase's 4 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • Returns none of the 10 fields on our checklist: Verification, Confidence, Catch-all domain, Where found and 6 more.
  • Nothing to pay. You get 200 credits once, enough for 200 calls. Calls stop once your credits run out. Credits never expire.
  • One call. You call POST /api/v1/operations/prospects.find_email with the inputs in Product details. The call returns the person's email address.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Leadbase: email finder API alternatives

Leadbase alternatives: other email finder API providers by price

The table starts with Leadbase's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to Leadbase's. We also show the Sourcing.sh plan. Its price is farther from the price of Leadbase's cheapest paid plan.

Leadbase, €990 monthlyDataVertex, $2,700 yearlyListar, top-up from €100,000, Diamond, POST /search/unifiedLix, $339 monthlyVerifox, $34 packSourcing.sh, €516.35 monthly
$ per 1,000 emails$67.518$67.50$67.518$67.80$68.00$68.359
Completeness0%50%60%10%10%0%
Billingmonthlyyearlypay firstmonthlypay firstmonthly
Pay€990$2,700€100,000$339$34€516.35
Enough for16,500 calls a month40,000 calls a yearabout 1,666,666 calls5,000 calls a month500 calls8,500 results a month
Freshnessunknownliveunknownliveliveunknown
Who can get itbusiness customers only ("Leadbase is intended exclusively for business customers (B2B)")anyone, for Recruiting Use (its Service Agreement 1.5, 2.1 to 2.3: recruiting, talent sourcing or enrichment by an internal HR team, by a staffing or recruiting agency for its direct clients, or inside a recruiting product for its users)anyone whose cumulative spend on credits has reached €100,000 excl. taxbusinesses and other legal entities acting in the course of business, not consumers, 18 or overanyoneprofessionals acting within the framework of their activity

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

  1. leadbase.io/api/v1/openapi.json
  2. leadbase.io/docs/api
  3. leadbase.io/docs/api/authentication
  4. leadbase.io/docs/enrichment/contact-data
  5. leadbase.io/legal/terms
  6. leadbase.io/pricing

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Verification, not in the answer
  • Confidence, not in the answer
  • Catch-all domain, not in the answer
  • Where found, not in the answer
  • Personal email, not in the answer
  • Name, not in the answer
  • Job title, not in the answer
  • Company, not in the answer
  • LinkedIn URL, not in the answer
  • Location, not in the answer
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Overage
Units caphard
Not found
$ per 1,000 calls that find nothing$0.00
In their words
Their pitchFind work email addresses and direct phone numbers using an identifiable professional profile.
Data
Keep datano limit
Use dataLeadbase grants the customer a non-exclusive, non-transferable, revocable right of use for the services and provided data for the term of the contract. This right is limited to the agreed use and the booked service level. Permitted use: Lead generation and prospecting for own business purposes, CRM data enrichment for existing customer databases, Sales and marketing activities in the B2B area, Integration into own business processes and software tools, Forwarding enriched data to employees and authorized service providers. Prohibited use: Resale, rental or commercial transfer of data to third parties, Reverse engineering, decompilation or replication of the platform, Automated mass queries outside the API limits, Use for spam, unwanted advertising or harassment, Data breaches or breaches of opt-out requests, Use for illegal, harmful or discriminatory purposes, Creation of competing products or services. Absolutely prohibited use: Spam, unwanted mass advertising or cold email campaigns without legal basis, Sale, rental or other commercial transfer of data, Use for credit checks, background checks or other SCHUFA-like purposes, Discrimination based on sex, race, religion or other characteristics, Stalking, harassment or other unlawful contact, Generating fake identities or fake company profiles, Use for political campaigns without corresponding licensing, Breach of embargoes or trade restrictions.
Plan
Pay€0
You get200 credits
Enough for200 calls, once
Expiresnever
Rate limit
Per second10
Batch1
Speed
Answerin the call
The call
You sendidempotencyKey, identity.kind "linkedin" or "person_at_company", identity.linkedinUrl, identity.firstName, identity.lastName, identity.companyDomain. Optional: identity.companyName, identity.countryCode, identity.jobTitle
MethodPOST
Path/api/v1/operations/prospects.find_email
About the plan
PlanFree
Who can get itbusiness customers only ("Leadbase is intended exclusively for business customers (B2B)")
The 9 fields the plan's answer can hold

email, status, group ID, eligible options, compatible options, skipped options, attempts, presence decision, cost in micro-USD

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