Letterbook
AI support platform built for startups
618 followers
AI support platform built for startups
618 followers
The modern alternative to Zendesk, Freshdesk, Intercom, and Front. Connect your database and Stripe. Our AI support agent resolves tickets across email, forms, and other channels.






Free Options
Launch Team / Built With




I'm exactly your ICP (as the founder who is replying to every single CS ticket)!
I actually chose Zendesk because it also supports a Help Center. Does Letterbox also come with a Help Center? If not, what are the usual ways you see your users setting them up and connecting to Letterbox?
Letterbook
@joycechin Hey Joyce, thanks for the comment! We actually do come with a help center, so you can fully host your user facing portal on Letterbook. Or, if you want to keep Zendesk, we can just integrate with your Help Center so Letterbook AI can use it as extra context during responses.
Since you're such an ICP, I'd love to show you how it works in more detail!
Grab a time: https://cal.com/dawson-chen-iuthbm/demo
@darweenist Already booked! I'd love to see how the Help Center works, especially when it comes to customizing the layout (which is something of a pain at Zendesk). Looking forward to our chat!
Letterbook
@joycechin Awesome, looking forward to it!
We’re currently building AI support for a large corporation. We’re having issues with low-resource languages like Swedish or Danish. How do you handle this?
Letterbook
@natalia_iankovych We have a native AI translation feature that's fairly reliable with translations!
curious how it handles the tone calibration. founder support emails have a very specific feel and most ai tools make them sound like enterprise. does it learn your voice?
Letterbook
@renkethye Absolutely! We reference similar past tickets that humans sent to find the ideal tone!
Congratulations on the launch guys - I've never related more to a hook. Looks like a very interesting platform. So this integrates to the company's database, Stripe, knowledge base, docs etc? And has read/write permissions on it? How do the guardrails around that work? Or is it just all HITL
Letterbook
@dhruv_kulkarni Hey Dhruv, sorry about the delay! The agent's permissions are restricted on the API key level - when you provision us a key to your Stripe or database, you can limit the permissions to read-only, or read/write, but only on invoices, not subscriptions for example. Hope that answers your question!
Solo maker here, just shipped a one-time payment product on Stripe. Most of my support is billing-related: "did my payment go through?", "can I get a refund?", etc. Classic stuff that eats 30 minutes I don't have.
The Stripe integration is the right call - that context is exactly what you need to resolve 80% of tickets without touching anything manually. One question: for one-time payment products (not subscriptions), does the AI handle refund workflows the same way, or is it primarily built around recurring billing?
Congrats on the launch. This is the tool Zendesk should have built in 2015.
Letterbook
@ozan_atmar Hey Ozan, sorry about the delay here! YES we absolutely can handle one-time payment refunds. One of our customers has a bunch of lifetime deals that they need to process partial refunds for, and Letterbook's agent handles it!
I'd love to get to know your tickets more, and show you how Letterbook works! Feel free to grab a demo at https://letterbook.ai!
curious how it handles the moment when a user is actually angry vs just confused. can it distinguish sensible between the different state a user may be in?
Letterbook
@renkethye Yes! Our support agent is very professional, and like human agents, it's an expert on handling angry/confused/happy customers. Happy to show you some examples - feel free to grab a demo at letterbook.ai!
Letterbook
@anusuya_bhuyan Good question! Letterbook learns a LOT from past tickets. It continually refines its knowledge base according to how new tickets are handled. Plus, whenever it's writing a response it fetches past tickets that are similar for context!