---
title: Checks API Reference
product: vercel
url: /docs/checks/checks-api
type: reference
prerequisites:
  - /docs/checks
related:
  []
summary: The Vercel Checks API let you create tests and assertions that run after each deployment has been built, and are powered by Vercel Integrations.
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# Checks API Reference

API endpoints allow integrations to interact with the Vercel platform. Integrations can run checks every time you create a deployment.

> **💡 Note:** The `post` and `patch` endpoints
> must be called with an OAuth2, or it will produce a
> `400` error.


---

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