# EmailProbe, free: Email verification API

> Advanced detection engine that identifies disposable, temporary, and fraudulent email addresses in real-time. Protect your signup flow, reduce churn, and stop wasting resources on fake accounts.

EmailProbe's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Confidence.
We ran EmailProbe in [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt). We didn't score any EmailProbe plan.
This plan is free. We rank 3,753 plans for email verification APIs by price. Half the plans cost $1.98 per 1,000 emails or less.
[treg's top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.
[Disify's $9 monthly plan (/email)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/emailprobe/free
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.emailprobe.dev/pricing.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.emailprobe.dev/v1/validate`
- API key: with the plan, on https://www.emailprobe.dev/pricing.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://app.emailprobe.dev/docs.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: EmailProbe (https://www.emailprobe.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Confidence: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Domain-only check

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Advanced detection engine that identifies disposable, temporary, and fraudulent email addresses in real-time. Protect your signup flow, reduce churn, and stop wasting resources on fake accounts.

## Data

- Freshness: stored
- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: A limited, non-exclusive, non-transferable license to use the API in accordance with your plan and these terms. This license does not grant you ownership of any data, algorithms, or intelligence produced by the service. You agree not to: Scrape, reverse-engineer, or attempt to reconstruct EmailProbe's disposable domain blocklist, MX intelligence, or IP cluster data, Use the API to facilitate the sending of spam, phishing, or unsolicited bulk email, Use the API to enable or support fraud, identity theft, or other illegal activity, Share, resell, or redistribute your API keys to third parties, Attempt to circumvent rate limits, authentication, or any security measures, Use automated tools to create multiple free-tier accounts to bypass plan limits. This aggregated, anonymized data is used to improve detection accuracy for all EmailProbe customers.

## Plan

- Pay: $0
- You get: 2,500 requests a month
- Enough for: 2,500 calls a month
- Expires: quota resets on the first of each billing month

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email, Content-Type header "application/json"
- Method: POST
- Path: /v1/validate

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over

## The 16 fields the plan's answer can hold

safe, score, verdict, disposable, free provider, role account, privacy relay, syntax valid, has MX record, MX records, has SPF, has DKIM, has DMARC, suggestion, alias, normalized email

## EmailProbe's plans (2)

- [EmailProbe, free](https://datacircle.dev/validate-email-apis/emailprobe/free/llms.txt): $0.00 per 1,000, 50% complete, stored
- [EmailProbe, contact us, Enterprise, POST /v1/validate](https://datacircle.dev/validate-email-apis/emailprobe/contact-us-enterprise-post-v1-validate/llms.txt): 50% complete, stored

## EmailProbe's calls (2)

- `POST /v1/validate`: [EmailProbe, free](https://datacircle.dev/validate-email-apis/emailprobe/free/llms.txt)
- `POST /v1/validate/batch`: [EmailProbe, contact us, Enterprise, POST /v1/validate/batch](https://datacircle.dev/validate-email-apis/emailprobe/contact-us-enterprise-post-v1-validate-batch/llms.txt)

## EmailProbe's APIs (1)

- [EmailProbe: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/emailprobe/free/llms.txt)

## EmailProbe: email verification API alternatives

- [KaijuVerifier, free, POST /api/v1/jobs, Submit an async bulk job](https://datacircle.dev/validate-email-apis/kaijuverifier/free-post-api-v1-jobs-submit-an-async-bulk-job/llms.txt): $0.00 per 1,000, 50% complete, stored
- [DeBounce, free API](https://datacircle.dev/validate-email-apis/debounce/free-api/llms.txt): $0.00 per 1,000, 17% complete, stored
- [OneShot, free](https://datacircle.dev/validate-email-apis/oneshot/free/llms.txt): $0.00 per 1,000, 33% complete, stored
- [MailSift, free, GET /verify, Verify one email](https://datacircle.dev/validate-email-apis/mailsift/free-get-verify-verify-one-email/llms.txt): $0.00 per 1,000, 67% complete, stored (MX, SPF, DMARC: 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 2026-11-02.

- https://app.emailprobe.dev/docs.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.emailprobe.dev/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.emailprobe.dev/pricing.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.emailprobe.dev/pricing.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.emailprobe.dev/terms.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing