# treg, free: Email validation API

> Verify an email address — treg picks the provider (own keys first, then cheapest) and names the one that served

treg's email validation API on its $1.00 free to start plan, $0.00 per 1,000 emails. 2 of the 6 key fields: Its check, Confidence.

- This page: https://datacircle.dev/validate-email-apis/treg/free
- Get it: https://treg.to/pricing
- Its API docs: https://treg.to/catalog/endpoints/treg.people.email.verify
- Sold by: treg (https://treg.to)
- Checked: 2026-10-19

## In the answer

- Completeness: 33%
- Its check: ✓
- Confidence: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Waterfall

- Waterfall: ContactOut $0.00, finds 100% · Kitt AI $1.50, finds 100% · MillionVerifier $1.78, finds 100% · Dropleads $1.80, finds 100%, misses billed · BounceBan $4.00, finds 99%, misses billed · LimaData $6.00, finds 100% · LeadMagic $6.25, finds 100% · Scrubby $8.00, finds 100% · Tomba $8.90, finds 100%, misses billed · Hunter $12.25, finds 99%, misses billed · ZeroBounce $13.80, finds 96% · Sixtyfour AI $24.00

## Charges

- Per: call

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Verify an email address — treg picks the provider (own keys first, then cheapest) and names the one that served

## Data

- Keep data: no limit
- Use data: any but spam or bulk unsolicited email, and not against the terms, rate limits or anti-abuse measures of the upstream API that answered, inside your own product, billed to your own users, too

## Plan

- Pay: $0
- You get: $1

## Rate limit

- Concurrent: no limit
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: X-Treg-Route-Waterfall, X-Treg-Route-Max-Cost, X-Treg-Route-Prefer, X-Treg-Route-Exclude
- Method: POST
- Path: /call/treg.people.email.verify

## About the plan

- Plan: $1.00 free to start
- Who can get it: a new account once its email is verified, for one team (aliases of one inbox share one), 16 or over

## The 6 fields in the plan's answer

valid, status, score, found, amount charged, serving source

## treg's plans (5)

- [treg, free](https://datacircle.dev/validate-email-apis/treg/free/llms.txt): $0.00 per 1,000, 33% complete
- [treg, $10 pack](https://datacircle.dev/validate-email-apis/treg/10-pack/llms.txt): $0.00 per 1,000, 33% complete
- [treg, $50 pack](https://datacircle.dev/validate-email-apis/treg/50-pack/llms.txt): $0.00 per 1,000, 33% complete
- [treg, $100 pack](https://datacircle.dev/validate-email-apis/treg/100-pack/llms.txt): $0.00 per 1,000, 33% complete
- [treg, $200 pack](https://datacircle.dev/validate-email-apis/treg/200-pack/llms.txt): $0.00 per 1,000, 33% complete

## treg's calls (1)

- `POST /call/treg.people.email.verify`: [treg, free](https://datacircle.dev/validate-email-apis/treg/free/llms.txt)

## Similar plans of other providers

- [ZeroBounce, free, Freemium, POST /v2/validatebatch](https://datacircle.dev/validate-email-apis/zerobounce/free-freemium-post-v2-validatebatch/llms.txt): $0.00 per 1,000, 83% complete, live
- [Airscale, free](https://datacircle.dev/validate-email-apis/airscale/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [AeroLeads, free](https://datacircle.dev/validate-email-apis/aeroleads/free/llms.txt): $0.00 per 1,000, 33% complete
- [Anymail Finder, free](https://datacircle.dev/validate-email-apis/anymail-finder/free/llms.txt): $0.00 per 1,000, 17% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-19.

- https://github.com/superdesigndev/treg
- https://github.com/superdesigndev/treg/blob/main/docs/context/architecture/money.md
- https://github.com/superdesigndev/treg/blob/main/src/treg/application/billing.py
- https://github.com/superdesigndev/treg/blob/main/src/treg/config.py
- https://treg.to/
- https://treg.to/catalog/endpoints/treg.people.email.verify
- https://treg.to/catalog/linkedin
- https://treg.to/integrate.md
- https://treg.to/llms.txt
- https://treg.to/meta
- https://treg.to/pricing
- https://treg.to/skill.md
- https://treg.to/support
- https://treg.to/terms
- https://treg.to/use-cases/get-a-linkedin-profile
- https://treg.to/use-cases/get-a-linkedin-profile.md