Platform
The Real-Time Email Content Personalization Platform
Unlock the Power of Personalization to Boost Engagement and Revenue
Countdown timers, dynamic images, dynamic products, local maps, surveys and scratchers: live content that changes with each subscriber and each open, so every email captures attention and drives clicks and conversions.
Countdown Timers
A timer that is still counting when the email is opened, whether that is ten minutes after you sent it or two days later. Ten styles to pick from, evergreen deadlines that run from each recipient’s sign-up rather than a fixed date, and it stops at zero instead of counting into negative numbers.
Learn More
Dynamic Images
One image URL that resolves differently for every reader: their first name set into the artwork, the city they are in, the weather outside their window, how long they have left on the offer.
Learn More
Dynamic Products
Product picks chosen per recipient at the moment of opening, showing the price and stock level as they stand right then. Nobody clicks through to something that sold out the week you sent the campaign.
Learn More
Local Maps
A map centered on wherever the reader opens the email, marking your nearest branch and how far away it is. Someone who opens it again from another city gets another map.
Learn More
Surveys
Ask one question and get an answer in a single click. Star, number or emoji ratings sit inside the email itself, with no landing page to lose people at, and results arrive while the campaign is still going out.
Learn More
Scratchers
Turn a coupon into something earned. Design a scratch card, add your prizes and codes, and link it from any campaign. Alterable hosts the prize page, so there is nothing for you to build or deploy.
Learn MoreBuilt in
What every service shares
Pick any of the six services above and you get the same engine underneath: open-time rendering, targeting rules, merge tags, analytics and a plain image tag that works wherever you send from.
Rendered at open, not at send
Timers, images, products, maps and surveys resolve the moment the email is opened. Change a deadline, a rule or an image variation and mail that already landed shows the update on its next open.
Every plan
Targeting rules engine
Stack conditions on location, device, language, weather, temperature, time of day, date, momentum or a query parameter, and map each combination to what the reader sees. No code.
Every plan, including free
See the rules builderMerge tags
Register your ESP’s merge tag once, in Mailchimp, Klaviyo or SendGrid syntax, and use the per-recipient value inside dynamic images and products. Set a fallback for empty fields.
Every plan
Impression analytics
Timers, images, products and maps report impressions per day, top countries and cities, and the device split. Surveys report votes and scratchers report plays.
Basic on every plan, advanced on Scale
Compare plansWorks in any email platform
Everything that renders in the email is a standard image tag. No JavaScript, no SDK, nothing to install. Paste it into Klaviyo, Mailchimp, HubSpot or any of 50+ other ESPs. Scratchers link out to a page Alterable hosts.
Every plan
Zapier integration
Trigger a Zap on a survey vote or a scratcher play. Create timers, extend deadlines, push merge-tag values, sync products and add map locations from any app Zapier connects to.
Pro and Scale, in beta
Browse triggers and actionsREST API
Build it into your own stack
Every service on this page is available over a JSON API with token authentication, so timers, images and maps can be created from your own tools, not just the dashboard.
API referenceMCP Server
Or ask an AI assistant to do it
Connect Claude, ChatGPT or Cursor to your account. Describe the timer or the image you want, and the assistant creates it and hands back the embed code.
Set up the MCP serverGet started
Everything you need to create live, engaging email content
Try the platform free today and see the difference for yourself.
Free to start · No credit card · Works with every major ESP