SendGrid + ngrok
Connect webhooks to your localhost apps and get notified automatically when events occur as SendGrid processes emails. No firewalls, dynamic DNS, port forwarding, or VPNs required.
Develop and test SendGrid webhooks from localhost
Listen to SendGrid webhooks with a public and secure URL
Inspect webhook traffic
Modify and replay SendGrid requests
ngrok http 8080 --verify-webhook=sendgrid --verify-webhook-secret=mySecret