Keys can end up in plaintext
Some apps ask you to paste a provider key into a config file. Copies can remain in local folders, backups or shared project files.
KeyFence / Planned app
One API key. Multiple apps.
No individual spend limits?
KeyFence is a planned Windows app for keeping AI API keys out of app configs and giving each app its own spend caps.
Get the KeyFence launch email
Get KeyFence launch updates. Confirm your email to finish joining.
Coming soon to the Microsoft Store
The problem
A shared key can mean shared exposure.
Provider limits may not act immediately
Budget reporting and enforcement vary by provider. A displayed limit is not always an immediate stop for every app sharing a key.
A leaked key can still incur charges
If a shared provider key leaks, requests made with it can be charged to your account until access is stopped. Separating app access is the goal.
Planned workflow
One place to manage app access.
These are the features we plan to build. They are not available yet.
Keep provider keys in Windows
KeyFence would keep your provider keys in Windows Credential Manager, with Windows Hello used to unlock access in the app.
Give each app its own limits
Each connected app would receive a stand-in key with a daily or monthly spend cap for requests routed through KeyFence.
Check common config locations
The planned leak scanner would check common local config locations for exposed API keys so you can move or rotate them.
Shut off managed keys from the tray
The tray panic button would stop all requests through KeyFence-managed keys at once. Revoking a provider key itself would remain a separate step with the provider.
Founder interest
Would KeyFence be worth $19.99 to you?
Register interest in a proposed one-time founder price. This is not an order or a price guarantee. No payment details are collected.
Email confirmation is still required. Check your inbox and confirm your address to finish joining the KeyFence waitlist.
Questions about KeyFence
- Is it available now?
- No. KeyFence is a planned app and is not available to download or buy. There is no announced launch date. Join the waitlist for launch updates.
- Which providers will it support?
- We plan to support OpenAI, Anthropic and OpenRouter. Provider support and compatibility with individual apps still need to be built and tested.
- Where are my keys stored?
- The plan is local storage in Windows Credential Manager, with Windows Hello access implemented within KeyFence. This is a planned design, not a claim about a shipped app.
- Will it be a subscription?
- The plan is a one-time Microsoft Store purchase alongside a free tier. Pricing and features are not final.
- Does reserving the founder price take a payment?
- No. The button records interest in a proposed $19.99 founder price. There is no payment, order or price guarantee. We will email you when KeyFence launches.
- Would spend caps guarantee my final provider bill?
- No. Planned caps would apply only to requests routed through KeyFence. Provider reporting can be delayed, and use of a provider key outside KeyFence would remain outside those caps.
Keep your apps. Rethink the shared key.
KeyFence is still a plan. Join the waitlist to hear when it is ready for the Microsoft Store.
Get KeyFence launch updates. Confirm your email to finish joining.