Send emails with V0 and Mailtrap

Step-by-step guide on how to integrate Mailtrap with V0.

Mailtrap is an email-sending solution for developer and product teams. Focused on fast delivery and high inboxing rates for transactional and promo emails. Provides highly customizable API and 24/7 tech support.

In this article, you’ll learn how to connect the two platforms and start sending emails.

Your prompts must be adjusted to your needs.

Those prompts are created based on our experience in Aug'25 with Lovable and GPT-5.

It might be different for you, as V0 and LLM models constantly evolve.

Before we start:

Add and verify your email sending domain since Mailtrap allows you to send emails only from a verified domain.
Make sure your API Token has admin access level to that domain and contacts.

Step 1. Create a landing page/contact form

create a basic contact form with 'full name' and 'email address' 'message' fields as well as a 'send message' button. keep in mind that i'll connect it with mailtrap so i can send emails. to connect mailtrap and send emails, I'll use my mailtrap email and mailtrap API key

Step 2. Add your Mailtrap credentials

After a minute or two, v0 will generate your project. You’ll then need to insert your credentials, which include your:

Mailtrap API key
Mailtrap from email
to email (optional for notifications)

Step 3. Start sending emails

Once you add your credentials, try filling out the form and hitting the Send Message button.

Here is the email in my Gmail inbox I used as my to address:

And here it is in the Mailtrap Email Logs:

Additionally, you’ll be able to see all the important stats regarding your sent emails, such as opens, clicks, bounces, etc.

For more information on Mailtrap Analytics, click here.

Next steps

Use Mailtrap Templates to send branded emails with variables (template guide).
Configure Mailtrap Contacts to push user information to your Mailtrap dashboard, so you can later send campaigns to them or use Automations.
Add automation triggers in Mailtrap to send follow-ups to new contacts.
Track open and click rates with Mailtrap Email Tracking.

Read our in-depth Vercel knowledge base article or our detailed Vercel blog guide.