Datacircle

Fiber AI pricing and alternatives: email finder API, single, Reveal contact details (standard), full

Fiber AI's sitellms.txtBest email finder API in 2026
40% complete: 4 of the 10 key fields we checkSee the 10 fields
$0.00per 1,000 emailsThe cheapest of the 681 plans we rank by price is DataForB2B, $499 monthly, at $0.10 per 1,000.
Plan: Cardless API trial one of Fiber AI's 9 plans
Call: POST /v1/contact-details/single, Reveal contact details (standard), full one of Fiber AI's 8 calls
API: Email finder API one of Fiber AI's 11 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 10 key fields we check. Verification, Personal email, Name, LinkedIn URL.
  • Nothing to pay. You get 100 credits once, enough for 20 calls. Unused credits expire when the 7 days pass without a card, the trial ends.
  • One call. You send linkedinUrl to POST /v1/contact-details/single. The call returns the email.
  • Who can get it: with conditions. Keep data: with conditions. Use data: with conditions.

Fiber AI: email finder API alternatives

The table starts with Fiber AI's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to Fiber AI's.

Fiber AI, $24,000 yearly, Enterprise, POST /v1/contact-details/single, Reveal contact details (standard), fullDropcontact, €348 yearlylemlist, $134 packListar, top-up from €100,000, Diamond, POST /search/unifiedLix, $339 monthly
$ per 1,000$66.667$65.267$67.00$67.518$67.80
Completeness40%60%60%60%10%
Billingyearlyyearlypay firstpay firstmonthly
Pay$24,000€348$134€100,000$339
Enough for30,000 calls a month500 results a month2,000 callsabout 1,666,666 calls5,000 calls a month
Freshnessunknownliveliveunknownlive
Who can get itanyone, to use only in the United Statesprofessionals acting within their activity (a natural person with the power to commit, or a legal person)professionals 18 or overanyone 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 over

Every email finder API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-23.

  1. api.fiber.ai/ai-docs/syncQuickContactReveal.md
  2. api.fiber.ai/llms-full.txt
  3. docs.fiber.ai/account
  4. docs.fiber.ai/account/quickstart
  5. docs.fiber.ai/billing
  6. docs.fiber.ai/billing/pricing
  7. docs.fiber.ai/build/rate-limits
  8. docs.fiber.ai/enrichment/contact-reveal
  9. docs.fiber.ai/linkedin/live-fetch
  10. fiber.ai/llms.txt
  11. fiber.ai/pricing
  12. fiber.ai/pricing.md
  13. fiber.ai/terms

Product details

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

  • Verification
  • Confidence, not in the answer
  • Catch-all domain, not in the answer
  • Where found, not in the answer
  • Personal email
  • Name
  • Job title, not in the answer
  • Company, not in the answer
  • LinkedIn URL
  • Location, not in the answer
Price
$ per 1,000$0.00
Billingfree
Aggregators
AggregatorsOrthogonal: paid, no fixed price, this call or another Fiber AI call · treg: your key free, paid $40.00 per 1,000 results, this call or another Fiber AI call
Charges
Percall
Not found
$ per 1,000$0.00
In their words
Their pitchContact Reveal turns a person you already know into verified work email, personal email, and phone numbers.
Data
Keep dataa limited, non-exclusive, non-transferable, non-sublicensable right to (A) view and store the Prospect Data [...] Prospect Data and Usage Data are Confidential Information of Fiber AI. [...] After any expiration or termination of these Terms, or at any time upon request from Fiber AI, Customer will immediately return or destroy (at Fiber AI's sole direction) all materials or media containing any Confidential Information
Use datasolely for purposes of conducting business-to-business sales, marketing, or business development activities and for Customer's other internal business purposes (the "Permitted Uses"). Customer may not resell, transfer, assign, or sublicense Customer's rights under these Terms to any third party or use the Services to run an outsourcing business or provide services for the benefit of any third party. [...] Customer (A) will not, and will ensure that Customer Personnel do not, incorporate any Prospect Data into Customer's products or services or otherwise resell, sublicense, or distribute any Prospect Data, (B) will not [...] present the Prospect Data so that it appears to be made available by any third party, (C) will process all Prospect Data in accordance with Laws, including Privacy and Data Laws [...] (F) not use the Services, including Prospect Data, to determine a consumer’s eligibility for (i) credit or insurance for personal, family or household purposes, (ii) employment or (iii) a government license or benefit or (iv) any other purpose governed by the Fair Credit Reporting Act [...] Customer will not [...] (h) develop any scripts or software applications that interact with or integrate with the Services unless first authorized in writing by Fiber AI [...] The Services are currently authorized to be used only in the United States to facilitate business-to-business sales, marketing, or business development communications with individuals in the United States
Plan
Pay$0
You get100 credits
Enough for20 calls, once
Expireswhen the 7 days pass without a card, the trial ends
Rate limit
Per second3.33
Batch1
Speed
Answerin the call
The call
You sendlinkedinUrl. Optional: enrichmentType.getWorkEmails, enrichmentType.getPersonalEmails "true", enrichmentType.getPhoneNumbers "true", patience, company.identifier, company.value
MethodPOST
Path/v1/contact-details/single
About the plan
PlanCardless API trial
Who can get itanyone with a work email, one trial per company domain, to use only in the United States
The 11 fields the plan's answer can hold

full name, email, email type, email status, unmatched work email, unmatched work email type, unmatched work email status, LinkedIn URL, personal email, phone number, phone type

Best GTM APIs