AI and developer tools · Developer tools for AI agents
Spend Guardian Let your agents spend within limits you set.
Set ceilings per agent, wallet or time window, and every proposed payment is checked before it is made: allow, block or flag.
For teams that run AI agents that can spend money.
Live $19/month, $190/year · 14-day free trial
How to start
Set your ceilings
Choose limits per agent, wallet or time window.
Ask before each payment
Your agent sends the proposed amount in one API call and gets allow, block or flag.
Review the log
Read each decision and its reason, and approve flagged spends.
What you get
Ceilings you control
Set limits per agent, per wallet and per hour, day or month.
A decision for every spend
Your agent asks first. One API call returns allow, block or flag.
A log with reasons
Every decision is recorded with the reason behind it.
Alerts when a limit is hit
Get an alert in the app and by webhook when an agent reaches its limit.
A person can step in
Flagged spends can be approved from the dashboard.
See it in action
Everything included
- Spending ceilings per agent, wallet and time window
- An allow, block or flag answer from one API call
- A decision log with reasons
- Alerts in the app and by webhook
- Approval of flagged spends from the dashboard
- A Usage page that counts every decision
Pricing
$19 per month
$190 per year
That works out at about $15.83 a month when paid yearly.
14-day free trial. A card is required to start. You are charged when the trial ends unless you cancel first. One free trial per customer and card.
Cancel at any time. Your plan stays active until the end of the period you have paid for.
Yearly plans: you may ask for a full refund within 14 days of the first yearly charge. See the Refund policy.
Prices are in US dollars.
Questions
What if Spend Guardian cannot be reached?
You choose: fail closed (block the payment) or fail open (allow it and flag it).
Which wallets does it work with?
Any. You send the proposed amount and we answer allow, block or flag.
How does the free trial work?
You get 14 days free. We ask for a card when you start. You are charged when the trial ends unless you cancel first. One free trial per customer and card.
Can I cancel?
Yes, at any time. Your plan stays active until the end of the period you have paid for, and we do not charge you again. If you prefer, write to [email protected] and we will cancel it for you.
Start with Spend Guardian
Coming later: Email alerts (email is not switched on yet).
AI can make mistakes. Please check everything before you use it.
Questions? Write to [email protected]. See all products.