A platform for deploying and running apps. Developer platforms verify the address so they can send build, deploy and security notices to a real owner.
Before you use a temporary address for Heroku. If an account will own repositories, domains, billing or production keys, register it with an address you will still control in a year.
When you register, Heroku usually sends a verification link to the address you gave it. The sender, subject and exact wording are Heroku's own and can change, so look for a message that arrived right after you submitted the form.
Account verification is required before you can add apps or add-ons.
CI jobs and coding agents sign up for sandboxes, trial tiers and test orgs constantly; reading the confirmation mail by tool call keeps the run unattended.
With the Emailsify MCP server, an agent creates an address, fills in the Heroku form, then waits for the verification email. That wait returns only the extracted link, not the whole email, which keeps untrusted text away from the model. See how to connect your agent.
Use a temporary inbox when you only need to look around Heroku and you can afford to lose the account. Switch to an address you own if the account will hold anything you care about, if you need billing receipts, or if you may need a password reset.
Emailsify is an independent service and is not affiliated with Heroku. Follow Heroku's terms of service.
That is Heroku's decision and it changes over time, so we cannot promise it. If Heroku rejects the address, do not try to disguise it. Use an address you control instead, especially for an account you want to keep.
Usually a few seconds after Heroku sends it. The delay is mostly on the sender's side. Keep the inbox open: it refreshes automatically, and Heroku codes and links are short-lived.
No. Mail is deleted 2 hours after it arrives and the address cannot be reclaimed, so a password reset later would go nowhere. Use a permanent address for any Heroku account you intend to keep.
Yes, on a Pro plan. The agent creates an inbox, submits the form, then waits for the link, which it receives the moment it arrives. Whether automating a Heroku sign-up is allowed depends on Heroku's terms.