# MillionPhones, free: Email verification API

> Verify the deliverability of an email address.

MillionPhones's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Address, Deliverability.
The cheapest of the 1,849 plans we rank by price is [treg, top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt). treg asks one provider after another until one answers. treg costs $0.00 per 1,000 emails on average. You pay $26.95 per 1,000 emails when no provider answers.

- This page: https://datacircle.dev/validate-email-apis/millionphones/free
- [Best email verification API in 2026](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://millionphones.com/pricing
- Its API docs: https://millionphones.com/docs#/Enrich/verifyEmail
- Sold by: MillionPhones (https://millionphones.com)
- Checked: 2026-10-27

## In the answer

- Completeness: 33%
- Address: ✓
- Deliverability: ✓

## Price

- $ per 1,000 emails: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Repeat free: no limit
- Also pays for: from the same budget: Phone Lookup · Phone Verification · Find Email · Person Enrichment · Company Lookup · Search People · Save Search to Table · Enrich Table

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Verify the deliverability of an email address.

## Data

- What it checks: mail servers, mailbox
- Keep data: no limit
- Use data: You agree to use the Service only for lawful B2B sales and outreach purposes. You may not: Resell, redistribute, or sublicense data obtained from MillionPhones. Scrape, crawl, or use automated tools to extract data from the website beyond what is available through the API. Use data for harassment, spam, or any purpose unrelated to legitimate business communication. Exceed API rate limits or attempt to circumvent usage restrictions. Use the Service for any purpose that violates applicable laws, including telemarketing regulations (TCPA, DNC lists, etc.). Share your account or API key with others, or allow third parties to access the Service through your credentials.

## Plan

- Pay: $0
- You get: 50 credits a year
- Enough for: 500 calls a year
- Expires: never

## Rate limit

- Per second: 1.67
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: GET
- Path: /verifyEmail

## About the plan

- Plan: Free
- Who can get it: Established company domains, a newer domain on request, until November 30, 2026 new accounts get 1,000 credits instead of 50

## The 3 fields the plan's answer can hold

email, result, credits charged

## MillionPhones's plans (12)

- [MillionPhones, free](https://datacircle.dev/validate-email-apis/millionphones/free/llms.txt): $0.00 per 1,000, 33% complete
- [MillionPhones, top-up from $5](https://datacircle.dev/validate-email-apis/millionphones/top-up-from-5/llms.txt): $5.00 per 1,000, 33% complete
- [MillionPhones, $19 monthly](https://datacircle.dev/validate-email-apis/millionphones/19-monthly/llms.txt): $3.80 per 1,000, 33% complete
- [MillionPhones, $60 monthly](https://datacircle.dev/validate-email-apis/millionphones/60-monthly/llms.txt): $2.00 per 1,000, 33% complete
- [MillionPhones, $100 monthly](https://datacircle.dev/validate-email-apis/millionphones/100-monthly/llms.txt): $1.00 per 1,000, 33% complete
- [MillionPhones, $300 monthly](https://datacircle.dev/validate-email-apis/millionphones/300-monthly/llms.txt): $0.75 per 1,000, 33% complete
- [MillionPhones, $980 monthly](https://datacircle.dev/validate-email-apis/millionphones/980-monthly/llms.txt): $0.70 per 1,000, 33% complete
- [MillionPhones, $168 yearly](https://datacircle.dev/validate-email-apis/millionphones/168-yearly/llms.txt): $0.70 per 1,000, 33% complete
- [MillionPhones, $420 yearly](https://datacircle.dev/validate-email-apis/millionphones/420-yearly/llms.txt): $0.70 per 1,000, 33% complete
- [MillionPhones, $2,520 yearly](https://datacircle.dev/validate-email-apis/millionphones/2520-yearly/llms.txt): $0.70 per 1,000, 33% complete
- [MillionPhones, $7,800 yearly](https://datacircle.dev/validate-email-apis/millionphones/7800-yearly/llms.txt): $0.65 per 1,000, 33% complete
- [MillionPhones, $16,800 yearly](https://datacircle.dev/validate-email-apis/millionphones/16800-yearly/llms.txt): $0.60 per 1,000, 33% complete

## MillionPhones's calls for this API (1)

- `GET /verifyEmail`: [MillionPhones, free](https://datacircle.dev/validate-email-apis/millionphones/free/llms.txt)

## MillionPhones's APIs (7)

- [MillionPhones: LinkedIn profile API pricing, 12 plans](https://datacircle.dev/linkedin-profile-apis/millionphones/free/llms.txt)
- [MillionPhones: company enrichment API pricing, 12 plans](https://datacircle.dev/company-enrichment-apis/millionphones/free/llms.txt)
- [MillionPhones: email verification API pricing, 12 plans](https://datacircle.dev/validate-email-apis/millionphones/free/llms.txt)
- [MillionPhones: email finder API pricing, 12 plans](https://datacircle.dev/find-email-apis/millionphones/free/llms.txt)
- [MillionPhones: people search API pricing, 12 plans](https://datacircle.dev/people-search-apis/millionphones/free/llms.txt)
- [MillionPhones: phone validation API pricing, 12 plans](https://datacircle.dev/validate-phone-apis/millionphones/free/llms.txt)
- [MillionPhones: phone finder API pricing, 12 plans, POST /tables/{id}/enrich](https://datacircle.dev/find-phone-apis/millionphones/free-free-post-tables-id-enrich/llms.txt)
- [MillionPhones: phone finder API pricing, 12 plans, GET /phone](https://datacircle.dev/find-phone-apis/millionphones/free-free-get-phone/llms.txt)

## MillionPhones: email verification API alternatives

- [BillionVerify, $120 monthly, Business, POST /verify/bulk](https://datacircle.dev/validate-email-apis/billionverify/120-monthly-business-post-verify-bulk/llms.txt): $0.60 per 1,000, 67% complete, live
- [Reoon, $9 monthly, Daily Credits, GET /verify](https://datacircle.dev/validate-email-apis/reoon/9-monthly-daily-credits-get-verify/llms.txt): $0.60 per 1,000, 67% complete, live
- [NullBounce, $300 pack](https://datacircle.dev/validate-email-apis/nullbounce/300-pack/llms.txt): $0.60 per 1,000, 33% complete, live
- [InboxVet, $300 pack, Unlimited Pack, POST /api/validate/batch](https://datacircle.dev/validate-email-apis/inboxvet/300-pack-unlimited-pack-post-api-validate-batch/llms.txt): $0.60 per 1,000, 33% 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 2026-10-27.

- https://millionphones.com
- https://millionphones.com/blog/buy-credits-pay-as-you-go
- https://millionphones.com/blog/credit-system
- https://millionphones.com/docs
- https://millionphones.com/llms.txt
- https://millionphones.com/mcp
- https://millionphones.com/pricing
- https://millionphones.com/terms
- https://millionphones.com/v1/openapi.json