This app is free until it's validated. Currently collecting feedback.
No API key required, ever

Sleep while your agent runs.

A circuit breaker sits between your code and the provider, blocking requests that would blow your budget or look like a runaway loop, before you're ever billed for them.

We never see, store, hash, or process your API key. It's relayed straight to Anthropic or OpenAI, byte for byte. Your Fuse URL is your identity, not your key.

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Dashboard

Monitor your spend across providers in real time.

Anthropic

Anthropic
This month's spend
$8.10
of $25.00 budget · 4 blocked this month

OpenAI

OpenAI
This month's spend
$4.30
of $25.00 budget · 3 blocked this month

Recent blocked requests

8/11/2026, 2:32:01 PMAnthropicclaude-sonnet-5loop detected
8/11/2026, 1:58:44 PMOpenAIgpt-5-minibudget exceeded
8/11/2026, 1:41:19 PMAnthropicclaude-sonnet-5loop detected