Fuse
Prepaid proxy wallet for AI model API calls that enforces hard spend caps and blocks over-budget requests before they are sent
Launch screenshots from Product Hunt, Jul 2026
The product is a prepaid proxy wallet for AI model API calls that enforces hard spend caps and blocks requests that exceed budget before they are sent, preventing overages and bill shock. It sells to developers, engineering teams, operations teams and finance stakeholders in startups and other businesses that operate AI agents using multiple providers. It is delivered as a hosted infrastructure API with a single OpenAI-compatible URL, server-side key vault, and pre-flight cost estimation across supported models.
Key features
- Hard spend caps per key
- Pre-flight cost estimation
- Per-agent isolated proxy keys
- Model locks and provider restrictions
- Key vault server-side storage
- One URL for 9 providers
- Real-time token and cost analytics
- Rate limiting
- Multi-currency top-up USD/EUR/GBP/NGN
- Streaming mid-cap cutoff
- Webhook alert notifications
- Usage dashboard filtering
- Expiry controls for keys
Social posts
- No social media activity within the last 30 days
GTM channels
- API
- Docs
ICP
- Software developers
- Engineering teams
- Finance accounting teams