1. Create your account and API key
Sign up for Torpedo, create a workspace, and create an API key from the dashboard. Copy the key when it is shown—it is returned once only and cannot be recovered. Store the key asTORPEDO_API_KEY in your application’s server-side secret storage. Never put it
in browser code, a mobile application, source control, logs, or an MCP request.
2. Add a domain
DNS propagation can take a few minutes to a few hours depending on your provider’s TTL settings.
3. Verify the domain
Once DNS has propagated, trigger a verification check:4. Send your first email
202 Accepted — email is queued and will be delivered asynchronously.
You’ve sent your first email with Torpedo.
Next steps
Set up webhooks
Get notified on delivery, bounces, and complaints
Manage suppressions
Understand and manage the suppression list