Cancel your Adveniat subscription by mail
Cancelling Adveniat means putting it in writing; the company takes requests by mailed letter, and a tracked one leaves a clear record. Letters to Adveniat go to Essen, Germany.
Let Postbye cancel Adveniat for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.
Money-back guarantee within 10 business days.
Postbye is not affiliated with Adveniat.
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- 2 Adveniat cancellations handled this month
- Certified mail with tracking
- Mailed every business day
- Delivery proof sent to you
- We confirm your cancellation
How to cancel Adveniat by mail
Gather your account details
You will need the name and email on the account and, if you have one, an account or customer number. Use exactly the details Adveniat holds, so the request can be matched to your account.
Put the request in writing
Adveniat is based in Germany, so the letter goes out in German, built from our German template. Subject line: “Betreff: Kündigungsanfrage – [your name]”. It asks for the subscription to end, for further charges to stop and for written confirmation.
Mail it with tracking
Send it certified to Essen, Germany, copying the address from the next section letter for letter, and keep the receipt slip.
Save the tracking record
Once the letter is delivered, the date on the receipt is the date Adveniat was told. Compare it with your statements over the next billing cycle.
With Postbye, steps 2 to 4 take about two minutes of your time.
Where your Adveniat cancellation letter goes
The mailing address we hold for Adveniat is Gildehofstraße 2, 45127 Essen, Germany.
The envelope is going to Essen in Nordrhein-Westfalen, Germany, so the postcode 45127 must be on the front.
Inside, the salutation reads “Sehr geehrte Damen und Herren,”, followed by your details under Kontoinhaber, Hinterlegte Rechnungsadresse and Hinterlegte E-Mail-Adresse.
Prefer to write it yourself? Use our letter template
Every address we hold for Adveniat, with the envelope wording
Before you cancel Adveniat, check these
- If an app store or phone carrier bills you, the company cannot cancel it. Cancel with that partner as well.
- Cancelling usually ends access at the end of the period you paid for, so you keep what you paid for until then.
- Use the same name and email as on the account. A mismatch can delay the request.
Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.
Let Postbye cancel Adveniat for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.
How cancelling by mail works
Most subscriptions keep billing until someone tells the company to stop, and a dated letter is proof that somebody did.
A phone call leaves nothing behind; a letter leaves a copy, a date and a delivery receipt.
Adveniat cancellation at a glance
- How Adveniat accepts cancellations
- By mailed letter
- Mailing address on file
- Adveniat Gildehofstraße 2 45127 Essen Germany
- Country
- Germany
- Letter language
- German (template de)
- Added to the database
- May 19, 2026
- Data last checked
