---
title: "Verify single email address"
method: GET
path: "/verify/v1/email"
tags: ["Email Verification"]
---

# Verify single email address

`GET /verify/v1/email`

Performs comprehensive validation of a single email address

## Query parameters

- `address` string, email, required
- `verifyCatchAll` boolean

## Response `200`

Email verification results

- RestverifyEmailVerificationResponse — Response for single email verification including detailed validation results
  - `email` RestverifyEmailVerificationRecord — Detailed validation results for an email address
    - `alternateEmail` string — Alternative email address if available required: false format: email
    - `deliverable` string — Deliverability status required: true enum: true,false,unknown
    - `emailAddress` string — Email address that was verified required: true format: email
    - `isCatchAll` boolean — Indicates if domain is catch-all required: true
    - `isRisky` boolean — Indicates if email is considered risky required: true
    - `provider` string — Email service provider required: false
    - `risk` RestverifyEmailVerificationRisk — Risk factors associated with the email address
      - `isFirewalled` boolean — Indicates if email is behind a firewall required: true
      - `isFreeProvider` boolean — Indicates if email uses a free provider required: true
      - `isMailboxFull` boolean — Indicates if mailbox is full required: true
      - `isPrimaryDomain` boolean — Indicates if domain is primary required: true
      - `isRoleMailbox` boolean — Indicates if email is a role account required: true
      - `isSystemGenerated` boolean — Indicates if email is system-generated required: true
    - `secureGatewayProvider` string — Security gateway provider required: false
    - `syntax` RestverifyEmailVerificationSyntax — Email syntax validation details
      - `domain` string — Domain part of email required: true
      - `isValid` boolean — Indicates if email syntax is valid required: true
      - `user` string — Local part of email required: true
  - `requestId` string
  - `status` string — Status indicates the result of the operation ("success" or "error")

## Other responses

- `400` — Invalid email format or missing parameters
- `401` — Unauthorized - Missing or invalid API key
- `500` — Internal server error

## Changes

- **2026-07-17** `73526747b270` — 2 info
  - api tag `Email Verification` added
  - api tag `Verify API` removed
- **2024-09-10** `32a769da53f1` — 1 info
  - added the non-success response with the status `500`
- **2024-09-10** `1ee4ed170cfa` — 3 info
  - api tag `Verify API` added
  - api tag `Email Verification` removed
  - removed the non-success response with the status `500`

[Change history](https://skmtc.dev/customeros/apis/customeros-api/changes/verify/v1/email/get.md)

---

[API](https://skmtc.dev/customeros/apis/customeros-api.md) · [All operations](https://skmtc.dev/customeros/apis/customeros-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/customeros/customeros-api/revisions/73526747b270/schema)