Installing SendWith on Vercel-hosted apps

SendWith simplifies sending emails from your app using your existing Gmail, Workspace or Outlook. Focus on building, not email headaches.

For Vercel-hosted apps, you can easily integrate SendWith by following these steps:

  1. Install our Vercel integration: Install the SendWith integration on your Vercel project here:

  2. Authenticate with SendWith: During the installation process, you'll be prompted to authenticate your email service provider (Gmail, Workspace, or Outlook) with SendWith. This allows SendWith to send emails on your behalf.

  3. Send your first email: Once you've authenticated your email service provider, you can start sending emails using the SendWith API. Check out the Getting Started guide for sample code snippets as well as our API reference. Your SendWith API key will be available in your Vercel project's environment variables.

Your API key and dashboard

When you install SendWith on Vercel, your SendWith API key will be automatically added to your Vercel project's environment variable SENDWITH_API_KEY.

To access your API key, connect more sending addresses, and view your email sending activity, you can log in to the SendWith dashboard at

Installing SendWith on multiple Vercel projects

Once you install SendWith on one Vercel project, there's an extra step to install it on other projects or new projects.

First, make sure the existing integration has access to your project. Go to your Vercel dashboard "Integrations" tab. Click on the SendWith integration. Under "Access" you can see which projects have access to the integration and add more projects if needed.

Then, repeat the installation process for each project starting from this installation page.

Don't worry, your SendWith API key is unique to each Vercel project and will be automatically added to the corresponding project's environment variables. Multiple installations won't interfere with each other.

Why Choose SendWith?

  • Effortless Setup: Forget deciphering lengthy Google API documentation. SendWith's intuitive API gets you up and running in just minutes.

  • Focus on What Matters: Stop wasting time wrestling with complex APIs. SendWith takes care of the heavy lifting, so you can focus on building innovative features for your app.

  • Guaranteed Deliverability: Never worry about emails landing in the spam folder again. SendWith boasts superior deliverability compared to other API providers.

  • Privacy at the Forefront: SendWith prioritizes user privacy. Unlike competitors, it doesn't require read access to your emails and functions as a fully approved Google integration.

  • Cost-Effective Solution: Start sending emails for free with SendWith's generous free tier. As your needs grow, easily upgrade to a paid plan that fits your budget.