Guide
Stop the n8n agent bill: 9 ways to cap LLM costs
Nine layers that keep an n8n AI agent from running up your LLM bill: iteration and token caps, timeouts, per-client budgets, provider limits, approvals.
For agencies that run AI automations for clients
Client approval, hard cost caps and verifiable receipts for agencies running AI automations.
In development.
We're building a way for agencies that run AI automations for clients to let the client approve an action before it happens, and to show afterwards what was approved.
Nothing is released yet.
- Guide and five answersPublished
- ProductIn development
The product
What we're building
None of this is released yet.
In development
Client approval
An approval inbox under your agency's brand, where your client approves, rejects or stops an action from their phone, without an n8n account.
In development
Hard cost caps
A hard monthly cap per client, checked before each call, that says no when it can't check.
In development
A stop for every client
A stop for one client's automations, or for all of your clients at once.
In development
Verifiable receipts
A signed receipt for every approval, rejection and stop, which your client can verify without trusting you or us.
Available now
What exists today
A guide and five short answers on capping AI costs and getting client approval in n8n, Make, Zapier and GoHighLevel. Each one lists its sources.
Five short answers
Code in the open
Two public repositories
The code for the receipt verifier and the transparency log is public on GitHub. Both are pre-release: the receipt format may change, and nothing is published to the log yet.
Security
Security and providers
A security contact and a list of the providers we use and, where measured, where they run.
Company
A Danish company
A company you can look up: PowerQuant ApS, Denmark, CVR 46274067.
Write to contact@keelstamp.com.
What we don't claim
We are not audited, and we don't call ourselves anything we can't show.
Questions
Can I buy Keelstamp?
Keelstamp isn't released yet. The Founding Partner offer describes how to pre-order it: the price, the seats and the refund rules.
Where is data hosted?
Keelstamp is in development and does not process any data on behalf of agencies or their clients yet. Our database is in Frankfurt, Germany. Our website runs on Vercel, with server code in Washington, D.C., USA. See the sub-processor list.
Who is behind Keelstamp?
Built by Alexander Englund, founder of PowerQuant ApS, a Danish company you can look up (CVR 46274067).
How do I get in touch?
Write to contact@keelstamp.com.
Start with the guide.
The guide and the five answers are open to everyone, and each one lists its sources. To pre-order Keelstamp, read the Founding Partner offer.