Guides

Create a full-stack application with multi-tenancy and custom domain support using Next.js App Router, Vercel Postgres, and the Vercel Domains API.

Learn about vector databases: what they are, 8 of the best examples and how to build an AI semantic search app with them.

In this guide, we will build Shooketh – an AI bot fine-tuned on Shakespeare's literary works with OpenAI gpt-3.5-turbo and the Vercel AI SDK.

Create your React app and deploy it with Vercel.

Create a fullstack application with Next.js, Prisma, Vercel Postgres, and deploy to Vercel

Information on how to change CAA records when using the Vercel CNAME record.

Learn how to optimize Core Web Vitals for your site, including INP, CLS, LCP, and more.

This guide explains how to set up canary deployments on Vercel, enabling developers to gradually roll out new versions to a subset of users with minimal risk by leveraging Skew Protection, Edge Config, and Middleware in Next.js.

This guide outlines how to implement blue-green deployments on Vercel, leveraging GitHub Actions for seamless and controlled application updates with minimal downtime.

Information on how to transfer ownership of a Vercel team.

Information on resolving alias related errors on Vercel.

Information on how to debug a 502 error from a Vercel Serverless Function.

Information on getting a refund for a domain purchased or renewed with Vercel.

Information on how to create a minimal reproducible example for Vercel Support.

Learn how to troubleshoot your Serverless Functions.

Learn how you can use Ruby on Rails with your frontend on Vercel.

Learn how to store logs on Vercel.

Information on why you may not be receiving email after verifying your domain with Vercel.

Information on selecting a region to deploy your Serverless Functions to.

If you set a cookie at the level of `vercel.app` in your Vercel project, will the cookie be applied to `vercel.app`?