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treg pricing and alternatives: reverse email lookup API

treg's sitellms.txtBest cached reverse email lookup API in 2026
0% complete: none of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 peopleThe cheapest of the 159 priced plans is PayPerQ, pay as you go, at $0.023 per 1,000.
Plan: $1.00 free to start one of treg's 5 plans
Call: POST /call/treg.people.identity.resolve treg's only call
API: Reverse email lookup API one of treg's 16 APIs

About this item

  • Freshness. treg doesn't say how fresh a person's profile is.
  • None of the 13 key fields we check.
  • Nothing to pay. You get $1 of credit once, enough for about 49 calls.
  • One call. You send email to POST /call/treg.people.identity.resolve. You can also send X-Treg-Route-Waterfall, X-Treg-Route-Max-Cost, X-Treg-Route-Prefer and X-Treg-Route-Exclude. The call returns the person who owns the email address.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

treg: reverse email lookup API alternatives

We list other providers' plans closest to this plan in price per 1,000 people.

This plantreg, freeBetterEnrich, freeAnysite, free, trial, POST /api/linkedin/email/sql/userVillage, freeZooq, free
$ per 1,000$0.00$0.00$0.00$0.00$0.00
Completeness0%15%92%31%23%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough forabout 49 calls, oncenot published1,000 calls50 calls a month30 calls, once
Freshnessnot publishedlivenot publishedlivenot published
Who can get ita new account once its email is verified, for one team (aliases of one inbox share one), 16 or overanyone, for lawful business purposes onlyanyone at least 18 years old or of the age of majority in their jurisdiction, who has not had a credit plan before, starting the trial takes a cardanyoneanyone

Reverse email lookup API plans

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-24.

  1. github.com/superdesigndev/treg
  2. github.com/superdesigndev/treg/blob/main/docs/context/architecture/money.md
  3. github.com/superdesigndev/treg/blob/main/src/treg/application/billing.py
  4. github.com/superdesigndev/treg/blob/main/src/treg/config.py
  5. treg.to/
  6. treg.to/catalog/endpoints/treg.people.identity.resolve
  7. treg.to/catalog/linkedin
  8. treg.to/integrate.md
  9. treg.to/llms.txt
  10. treg.to/meta
  11. treg.to/pricing
  12. treg.to/skill.md
  13. treg.to/support
  14. treg.to/terms
  15. treg.to/use-cases/get-a-linkedin-profile
  16. treg.to/use-cases/get-a-linkedin-profile.md

Product details

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

  • Experience, not in the answer
  • Education, not in the answer
  • Skills, not in the answer
  • Headline, not in the answer
  • About, not in the answer
  • Location, not in the answer
  • Photo, not in the answer
  • Followers, not in the answer
  • Connections, not in the answer
  • Certifications, not in the answer
  • Languages, not in the answer
  • Recommendations, not in the answer
  • Open to work, not in the answer
Price
$ per 1,000$0.00
Billingfree
Aggregators
Aggregatorsnone
Waterfall
WaterfallFindymail (findymail.search.reverse-email) $19.80, finds 32% · Fiber AI (fiber-ai.people.identity.resolve) $40.00, finds 34% · Icypeas (icypeas.people.identity.resolve) $190.00, finds 5%
Charges
Percall
Also pays forfrom the same budget: every metered catalog call
Not found
$ per 1,000$0.00
In their words
Their pitchResolve a work email to the person's LinkedIn profile — treg picks the provider and names the one that served
Data
Keep datano limit
Use dataany but spam or bulk unsolicited email, and not against the terms, rate limits or anti-abuse measures of any upstream API, inside your own product, with your own billing layer and the pass-through attribution mechanics, too
Plan
Pay$0
You get$1
Enough forabout 49 calls, once
Rate limit
Concurrentno limit
Batch1
Speed
Answerin the call
The call
You sendemail. Optional: X-Treg-Route-Waterfall, X-Treg-Route-Max-Cost, X-Treg-Route-Prefer, X-Treg-Route-Exclude
MethodPOST
Path/call/treg.people.identity.resolve
About the plan
Plan$1.00 free to start
Who can get ita new account once its email is verified, for one team (aliases of one inbox share one), 16 or over
The 5 fields the plan's answer can hold

LinkedIn URL, full name, found, amount charged, serving source

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