---
title: "Verify an email address"
method: GET
path: "/leads/email-verifier"
tags: ["Leads"]
---

# Verify an email address

`GET /leads/email-verifier`

## Request

- Base URL: `https://api.crevio.co/v1`
- URL: `https://api.crevio.co/v1/leads/email-verifier`
- Auth: API key in header `Authorization`

Checks whether an email address is deliverable, returning a status and detailed deliverability signals (MX records, SMTP check, disposable/webmail flags). Backed by Hunter.io. Costs 2 credits per call.

## Query parameters

- `email` string, required

## Response `200`

Verification result

- object
  - `object` 'lead_email_verification'
  - `email` string, nullable
  - `status` string, nullable: valid, invalid, accept_all, webmail, disposable, unknown.
  - `result` string, nullable: deliverable, undeliverable, or risky.
  - `score` integer, nullable
  - `regexp` boolean, nullable
  - `gibberish` boolean, nullable
  - `disposable` boolean, nullable
  - `webmail` boolean, nullable
  - `mx_records` boolean, nullable
  - `smtp_server` boolean, nullable
  - `smtp_check` boolean, nullable
  - `accept_all` boolean, nullable
  - `block` boolean, nullable

## Other responses

- `400`: Bad request
- `401`: Authentication required
- `402`: Insufficient credits
- `422`: Validation error
- `429`: Rate limit exceeded — 600 requests per minute per credential. Retry after the number of seconds in `Retry-After`.
- `500`: Internal server error
- `502`: Upstream (provider) failure

---

[API](https://skmtc.dev/crevio/apis/crevio-api-v1.md) · [All operations](https://skmtc.dev/crevio/apis/crevio-api-v1/llms.txt) · [OpenAPI document](https://skmtc.dev/crevio/apis/crevio-api-v1/revisions/2219f18ad651?raw)