# Kickbox Email Verification API

**Canonical:** https://apis.io/apis/kickbox/verification-api/  
**Provider:** Kickbox — https://apis.io/providers/kickbox/  
**Base URL:** https://api.kickbox.com/v2  
**Documentation:** https://docs.kickbox.com

Kickbox Email Verification API is one of 5 APIs that [Kickbox](https://apis.io/providers/kickbox/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Email Verification, Deliverability, and Validation. The published artifact set on APIs.io includes API documentation, an API reference, and a getting-started guide.

REST API for verifying the deliverability of email addresses in real time. Returns a result (deliverable, undeliverable, risky, unknown), a reason code, plus flags for role addresses, disposable domains, and free email providers. Authentication uses an API key supplied as a query string parameter or in the Authorization header. Sandbox mode is available for testing without consuming credits.

## Machine-readable artifacts (7)

- **Documentation** — https://docs.kickbox.com
- **APIReference** — https://docs.kickbox.com/reference/single-verification
- **PHP SDK** — https://github.com/kickboxio/kickbox-php
- **Python SDK** — https://github.com/kickboxio/kickbox-python
- **GettingStarted** — https://docs.kickbox.com/docs/using-the-api
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/kickbox/refs/heads/main/sandbox/kickbox-sandbox.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/kickbox/refs/heads/main/apis.yml

## Other Kickbox APIs (4)

- [Kickbox Account API](https://apis.io/apis/kickbox/kickbox-account-api/)
- [Kickbox Batch API](https://apis.io/apis/kickbox/kickbox-batch-api/)
- [Kickbox Open API](https://apis.io/apis/kickbox/kickbox-open-api/)
- [Kickbox Verification API](https://apis.io/apis/kickbox/kickbox-verification-api/)

## Tags

Email Verification, Deliverability, Validation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/kickbox/verification-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/kickbox/.