First Private Thread Demo · One per account
First Private Thread Demo
Try one real, limited Private Thread around a physical letter. The full letter stays in your hands, and the Demo remains clearly separate from paid Ongoing access.
Each verified account can successfully create one First Private Thread Demo, once. The sender and recipient can each add up to two shared updates in the Demo's single round.
Sign-in and email verification keep the one-time Demo attached to the correct account. Opening this page alone does not use it.
Before you create it
Create the Demo only when the letter is ready.
I may send a physical letter
Create the Demo only when a letter is ready to travel with its Private Thread Code.
I want to understand the timeline
Try one real shared timeline before deciding whether ongoing correspondence needs a paid Ongoing Private Thread.
I want a low-pressure recipient experience
The recipient can open the Code without an account and choose whether to leave a limited shared update.
How the Demo works
One account, one successful Demo creation.
A failed creation does not use the Demo. Once the Demo and its Code are successfully created, the account's one-time Demo has been used.
Step 1
Prepare the letter privately
Use the Early Free Letter Guide, paper, or your own private document. Do not enter the full letter into SLOWKEPT.
Step 2
Create the Demo and Code
Your one-time Demo eligibility is used only after the Demo Thread and its Code are successfully created.
Step 3
Use one limited round
The sender and recipient can each add up to two shared updates. Existing private notes remain separate from the shared timeline.
Step 4
Decide whether to continue
A paid Ongoing Private Thread is separate. Upgrading, archiving, deleting, or abandoning the Demo does not create another free Demo.
Account rules
The one-time rule cannot be reset by deleting or upgrading.
These rules make the free experience predictable and prevent accidental duplicate Demo creation across browsers or repeated clicks.
- Each verified account can successfully create one First Private Thread Demo, once.
- The sender and recipient can each add up to two shared updates in the Demo's single round.
- An Ongoing Private Thread is a separate one-time purchase. A completed Demo remains available as a read-only record with its original Code, while the paid Thread receives its own active Code.
- Participating as a recipient in someone else's Demo does not use your own Demo eligibility.
- Deleting, archiving, abandoning, upgrading, refunding, or disputing a related paid product does not restore a used Demo.
- Only a verified technical failure may qualify for one audited replacement issued by an administrator.
Need more than the Demo?
Ongoing Private Threads are a separate paid product.
You may continue the Demo history or begin a separate timeline when purchasing, but the purchase does not restore or create a second free Demo.