Free forever · No credit card

Your agents deserve
proper governance.

Start with 1,000 free preflight calls per month. One decorator. Runaway runs blocked. Ship.

✓
1,000 free preflight calls/month
No expiry. Full API access on the free tier.
✓
Per-request ceiling enforcement
Block before compute starts. Not after the invoice.
✓
Multi-tenant out of the box
Independent credit balances per customer_id. Zero config.
✓
Production in 5 minutes
One decorator. One env var. That's the integration.

"The moment you're using Stripe as your safety net, you've already lost the run."

scarlett1908 — r/LangChain

Get your API key

Takes 30 seconds. No setup call. No credit card.

🔑

Copy it now. We won't show it again. Store it in your environment variables, not your code.

API Key

Install: pip install agentbill-sdk

Set key: export AGENTBILL_API_KEY=your_key

Add @meter(preflight=True) to your agent function.

Read the docs for ceilings & outcome billing.