Integrates with Twilio SendGrid to validate email addresses using the SendGrid Email Validation API. This allows real-time verification that an email address is valid and deliverable before it is accepted.

Getting a SendGrid Email Validation API Key

The Email Validation API requires a dedicated API key with the Email Address Validation permission. Follow these steps:

  1. Log in to app.sendgrid.com.
  2. Go to Settings → API Keys.
  3. Click Create API Key.
  4. Give the key a descriptive name (e.g. MyApp Email Validation).
  5. Select Restricted Access.
  6. Expand the Email Address Validation category and enable Read Access.
  7. Click Create & View, then copy the generated key immediately — it will not be shown again.
  8. Paste the key into the Validation API Key field below.
Fields
Validation API Key
SendGrid API key with Email Address Validation read access. Used to verify the deliverability of email addresses. Stored encrypted at rest.
Open SendGrid API Keys