# Address Guard, contact us: Email verification API

> Check and validate your customer email addresses in real-time or in bulk to ensure the mailbox is genuine and can receive email.

Address Guard's email verification API on its Enterprise plan. It returns 2 of the 6 key fields we check: Address, Deliverability.
We haven't run Address Guard through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
Address Guard gives this plan's price on request. 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/address-guard/contact-us
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://addressguard.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: Docs on request from sales
- API key: with the plan, on https://addressguard.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://addressguard.io/address-validation-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Address Guard (https://addressguard.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

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

## Price

- Per: call
- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: Check and validate your customer email addresses in real-time or in bulk to ensure the mailbox is genuine and can receive email.

## Data

- Freshness: live
- What it checks: format, mailbox
- Keep data: no limit
- Use data: You are granted a limited, non-exclusive, non-transferable, revocable license to access and use the Platform solely for your internal business purposes in accordance with these Terms. This license does not include any right to sublicense, modify, create derivative works, or commercially exploit the Company IP. [...] You agree to use the Platform only for lawful purposes and in accordance with these Terms. You shall not: Use the Platform in violation of any applicable federal, state, local, or international law or regulation, Reverse engineer, decompile, disassemble, or attempt to derive the source code of the Platform, Reproduce, duplicate, copy, sell, resell, or exploit any portion of the Platform without express written permission from Address Guard, Use automated means (bots, scrapers, crawlers) to access or interact with the Platform in an unauthorized manner, Transmit any viruses, malware, or other harmful or malicious code, Interfere with or disrupt the integrity, performance, or security of the Platform or its servers, Circumvent or attempt to circumvent any access control or security mechanisms, Use the Platform to process, store, or transmit data in violation of any privacy or data protection laws, Engage in any fraudulent, deceptive, or misleading activities, or Sublicense, transfer, or assign your access rights without our prior written consent.

## Speed

- Answer: in the call

## The call

- You send: Docs on request from sales

## About the plan

- Plan: Enterprise
- Who can get it: brands processing over 15,000 monthly orders

## The 4 fields the plan's answer can hold

email address, status, reason, did you mean

## Address Guard's plans (1)

- [Address Guard, contact us](https://datacircle.dev/validate-email-apis/address-guard/contact-us/llms.txt): 33% complete, live

## Address Guard's calls (1)

- Docs on request from sales: [Address Guard, contact us](https://datacircle.dev/validate-email-apis/address-guard/contact-us/llms.txt)

## Address Guard's APIs (2)

- [Address Guard: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/address-guard/contact-us/llms.txt)
- [Address Guard: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/address-guard/contact-us/llms.txt)

## Address Guard: email verification API alternatives

- [Listclean, contact us, Custom volume, GET /verify/email/{email}](https://datacircle.dev/validate-email-apis/listclean/contact-us-custom-volume-get-verify-email-email/llms.txt): 33% complete, live
- [MailVeri, contact us, Enterprise, POST /verify-mails/](https://datacircle.dev/validate-email-apis/mailveri/contact-us-enterprise-post-verify-mails/llms.txt): 33% complete, live
- [MyEmailVerifier, contact us, Custom Quote, GET /verifier/validate_single/{email}/{API_KEY}](https://datacircle.dev/validate-email-apis/myemailverifier/contact-us-custom-quote-get-verifier-validate-single-email-api-key/llms.txt): 33% complete, live
- [ExactVerify, contact us, GET /v1/single](https://datacircle.dev/validate-email-apis/exactverify/contact-us-get-v1-single/llms.txt): 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 2026-11-05.

- https://addressguard.io/address-validation-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://addressguard.io/email-address-validation/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://addressguard.io/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://addressguard.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://addressguard.io/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing