Never worry aboutAPI costs again

Hard spending limits that physically stop API calls.
Not alerts. Not warnings. Real protection.
Set your budget, we'll enforce it.

Auto-Blocks at Budget
Smart Request Caching
Cost per Customer
Test Before Production
One Proxy, All Providers

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API Tracking
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reGuard Features

Everything you need to control API costs

From budget limits to cost tracking, reGuard gives you complete visibility and control over LLM API spending across all providers.

Hard Spending Limits

Auto-blocks API calls when budget limits are reached. Prevent surprise bills with enforceable spending caps across OpenAI, Anthropic, Google APIs, and more.

Monthly Spend LimitAUTO-BLOCK ON
$500.00
$420.50 Spent$79.50 Remaining
Usage Trend
ALERT
Live Requests
POST /chat200 OK
POST /embed200 OK
POST /img429 BLOCKED

Cost per Customer

Track API spending by individual customer or user. Identify high-cost users and optimize pricing based on actual usage.

Response Caching

Automatic response caching reduces token usage by 30-60% without code changes. Savings
on autopilot.

Testing Playground

Test prompts and preview costs in a safe sandbox before deploying to production.

Cost per Feature

Track spending by app feature or API endpoint. Identify which features cost most.

Real-time Monitoring

Track API costs and usage in real-time with instant budget alerts. Get notified at 80%, 90%, and 100% budget thresholds before limits hit.

Drag-and-Drop Dashboard

Customize dashboards with drag-and-drop widgets to track what matters most. Build views tailored to your workflow.

Multi-Provider Support

One proxy, all providers. Works with OpenAI, Anthropic, Google, Deepseek, and more.

Built from real developer pain

We researched developers who've been hit with surprise API bills. These are their stories.

Developer pain points

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Frequently Asked Questions

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test reGuard in production.

Limited spots. Launching Q1 2026.