HALT

Keep AI running
not your bills.

The kill switch for AI agents. Set spending limits and stop costly loops automatically.

Built for developers who've been burned.

Hard Budget Caps

Set a maximum spend per agent or task.

Real-time Alerts

Get notified when spend hits 50%, 80%, or 100% of your limit.

One-Line Integration

No complex setup. No new infrastructure.

Frequently Asked Questions (FAQ)

How is Halt different from LangSmith or other observability tools?

Observability tools show you the fire after the house has burned down. Halt is a kill switch that prevents the fire from starting in the first place.

What platforms do you support?

We're starting with support for OpenAI and Anthropic APIs, with more to come.

Is there a free tier?

Yes, the first 100 waitlist members will get free early access

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