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couryo

Black Friday · November 24 to 30

Your email landing in the inbox, for half the price

The password reset that never arrived, the confirmation stuck in spam: Couryo shows why and fixes it. This week, it costs half.

An envelope of orange light leaving a trail of sparks on its way to the inbox, on a dark background

Why Couryo

An orange shield with a check mark guarding the inbox as envelopes arrive
  • Never suspended in the dark

    Gradual pauses with the reason and the numbers, an instant review and a person within one business day.

  • Every email explained

    The timeline shows the receiving server's real answer and what it means, in plain words.

  • Built for developers and AI agents

    API, SMTP, SDKs, a remote MCP server and docs in Markdown.

Frequently asked questions

When does it start and end?
From November 24 at 00:00 to November 30 at 23:59, Brasília time (UTC-3).
Do I need a coupon code?
No. Inside the window, the checkout applies the discount by itself.
What happens after the 3 months of Pro?
The subscription continues at the list price ($19 a month), and you can cancel in one click under Billing.
How does the 40% on yearly plans work?
It applies to the first year of Pro or Scale yearly. The next year renews at the list price.
I already subscribe. Can I get it?
The discount is for new subscriptions started during the week. Current subscribers keep their plan as it is.