1Who we are
mentyn.com is published by Eighth Avenue Digital, LLC, a Mississippi limited liability company doing business as Mentyn (“we”, “us”). This policy describes the personal information the site collects and what we do with it.
2What we collect
You can use Mentyn without an account. Without one, we don’t ask for your name, email address or payment details. From every visitor we collect:
- Page analytics. We run Umami, an analytics tool we host ourselves. For each page you view, it records the page address and title, the site that referred you, your browser, operating system, device type, screen size and language, and your approximate location (country, region and city). It also counts some of the links and buttons you use on our pages, such as a link to Kalshi (with the event or market it relates to), a sort on a word table or a plan on the pricing page. It doesn’t record anything you type. Umami does not use cookies, does not store your IP address, and doesn’t record visits to, or clicks on, the sign-in and account pages.
- Error logs. Our server logs errors from the site so we can fix them. These logs don’t record IP addresses. If an email to you can’t be sent, the log notes a shortened form of your address (its first letter and domain, like m***@example.com), never the full address. We delete these logs as we release new versions of the site.
Like any website, our server sees your IP address in order to send you each page. The site doesn’t store it, apart from the short-lived sign-in count described under If you have an account.
3If you have an account
If you create an account, to sign in or to subscribe to Pro, we also collect:
- Your email address and the date you created the account. It’s how you sign in, and where we send sign-in codes and account and billing emails.
- Sign-in codes and links. When you ask to sign in, we email you a six-digit code and a link. Each works once, for 10 minutes. We store them only as one-way hashes, scrambled values that can’t be turned back into the code or link, together with your email address, and delete the record after about a day.
- Sessions. When you sign in, we keep a session so you stay signed in. We store only a one-way hash of its token, and when it was created, last extended and expires.
- A short-lived sign-in count. To stop repeated requests, our server counts sign-in requests per email address and per IP address over the past hour. The count is held only in the server’s memory. It’s never written to disk, and it’s cleared when the server restarts.
We don’t ask for your name, and there is no password.
4If you subscribe to Pro
Payments are handled by Stripe. You enter your card and billing details on Stripe’s checkout page, not ours, and Stripe collects and uses them under its own privacy policy (opens in a new tab). Stripe never sends us your full card number, and we don’t store card details. When you start checkout, we give Stripe your email address and an internal account number. From Stripe, we keep:
- your Stripe customer ID;
- for each subscription: its status (for example, on trial, active or cancelled), the plan (monthly or yearly), the trial end, renewal and cancellation dates, the amount of your next payment, and whether a trial was ended because its card had already had one;
- if you start a free trial, a one-way hash of the card “fingerprint” Stripe gives us. A fingerprint is Stripe’s code for recognising the same card. It isn’t the card number, and the hash can’t be turned back into it. We use it only to give each card one free trial, and we keep it after you delete your account (see Deleting your account).
6How we use it
We use this information to run the site and your account: to sign you in; to provide Pro and bill for it through Stripe; to send the emails an account needs (sign-in codes and links, a reminder 3 days before a free trial ends, and notices about your subscription or these policies); to give each account and each card one free trial; to prevent abuse; to see which pages people use; and to find and fix errors. We don’t use your email address for marketing. We don’t sell personal information, share it for advertising, or build profiles of individual visitors.
7Who else receives it
These services receive personal information so we can run the site:
- Hosting. The site and its databases run on a server we rent from a hosting provider.
- Backups. Account data (what’s described under If you have an account and If you subscribe to Pro) is copied to a cloud storage provider so it can be restored if our server fails. Copies older than 30 days are deleted.
- Email. Sign-in and account emails are sent through Postmark, which receives your email address and the content of each message in order to deliver it. See Postmark’s privacy policy (opens in a new tab).
- Payments. Stripe receives what you enter at checkout, plus your email address and our internal account number, and processes payments under its own privacy policy (opens in a new tab).
- Analytics. Umami runs on our own server, so analytics data doesn’t go to an outside analytics company.
Kalshi prices are fetched by our server, so your browser never contacts Kalshi; links to kalshi.com take you to Kalshi’s site, which has its own privacy policy. We may disclose information when the law requires it.
8How long we keep it
- Analytics: kept to compare how the site is used over time. We have not set a date for deleting it automatically.
- Error logs: deleted as we release new versions of the site.
- Your account and the billing records we keep from Stripe: until you delete your account.
- Sign-in codes and links: they stop working after 10 minutes, and the record is deleted after about a day.
- Sessions: deleted when you sign out. Otherwise a session stops working 30 days after it was last extended.
- Trial-card hash: kept after your account is deleted, no longer linked to you, so a card gets only one free trial.
- Backups: copies are deleted within 30 days, so anything removed from the site is gone from backups within 30 days.
9Deleting your account
You can delete your account at any time from your Account page (Delete account). Deleting it:
- cancels any Pro subscription or free trial at Stripe straight away (the rest of a paid period isn’t refunded; see our terms);
- deletes your email address, your sessions, any sign-in codes and links, and the billing records we keep from Stripe;
- signs you out on every device.
Two things remain:
- The trial-card hash. The one-way hash of a trial card’s fingerprint stays, no longer linked to any account, so the same card can’t get a second free trial.
- Stripe’s records. Stripe keeps its customer record (including your email address) and your subscription and payment history, which we can still see in our Stripe account. Payment records are kept for tax and accounting, as the law requires. To ask for your Stripe customer record to be deleted where the law allows, write to us.
Backups that contain your account are deleted within 30 days. If you can’t sign in, write to contact@mentyn.com from the address on the account and we’ll delete it for you.
10Your choices
You can block the analytics script with a content blocker; the site works the same without it. If your browser sends a Do Not Track signal, Umami doesn’t record your visit. Analytics records aren’t tied to your name, email address or IP address, so we can’t pick out the records of a particular visitor. You don’t need an account to use Mentyn, and if you have one you can delete it at any time. To ask what we hold about you, or to correct it, write to contact@mentyn.com.
11Children
Mentyn is not directed at children under 13, and we don’t knowingly collect their personal information. You must be 18 or older to create an account or subscribe.
12Changes
When we revise this policy, we will post it here with a new effective date. If you have an account and a change is material, we will also tell you by email before it takes effect.
13Contact
Questions about this policy or your information: contact@mentyn.com.