BillCurfew
Per-key AI spend alerts and a kill switch, no proxy
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Watches OpenAI, Anthropic & OpenRouter spend per API key. Polls about every 5 minutes, emails when a key passes a daily cap or spikes, and gives every plan a manual kill switch. Not a proxy, no code change, prompts never touched. Free for one key.
PH · launched Nov 11, 2026 · 1 upvote (top 65%) · 0 views
Niche: llm cost monitoring tools · 49 launches, 2 in the last 7 days ▼ -60% · Explore this niche →
Category and tags
- Horizontal
- Observability & eval
- Developer
- AI-native
- Commercial product
- SaaS
- Developer Tools
- Artificial Intelligence
Visit website ↗ Source listing ↗
More like this: all 49 launches in llm cost monitoring tools →
Could you build this?
Yes It polls provider usage or cost APIs per key on a schedule, sends alerts, and toggles keys off. These are cron jobs, API calls, and email notifications.
Competitors
Other products that read as similar to this one : 175 launches clear the similarity bar, closest 8 shown.
Attention rank: #84 of 176 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 375 days after the earliest competitor.
- Vallkey · ph · 2026-11-02 · 2 upvotes · similarity 0.56
- Fuse · ph · 2026-10-24 · 1 upvotes · similarity 0.45
- openrouter-api-key.github.io · github · 2026-09-21 · 9 upvotes · similarity 0.44
- unused.market · ph · 2026-10-25 · 1 upvotes · similarity 0.44
- AI Workflow Cost Check · ph · 2026-10-14 · 2 upvotes · similarity 0.44
- Capstop · ph · 2026-11-03 · 2 upvotes · similarity 0.44
- AgentKeyGate · ph · 2026-11-12 · 1 upvotes · similarity 0.43
- Bernn - Cloud & API Spending in one app · ph · 2026-10-09 · 2 upvotes · similarity 0.43
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.