Continuous API Monitoring
Free during beta
Your AI agent API,
monitored 24/7
Probe watches your API around the clock. Every 6 hours we audit endpoints, x402 compliance, security headers, response times — and email you when something changes.
Free · 14 checks · Instant report · No account needed
14
checks / audit
4x / day
monitoring
auto
email alerts
0–100
audit score
Sample report — example-api.xyz
A · 85/100
x402 discovery
/.well-known/x402.json ✓
Trust score endpoint
200 · 336ms
ERC-8004 identity
Agent #16850
Sanctions screening
Chainalysis oracle ✓
llms.txt encoding
UTF-8 BOM detected
Zero-address block
0x000...000 not blocked
CORS headers
origin: * ✓
85
How it works
01
Paste your API URL
02
Get your audit report instantly
03
Subscribe for 24/7 monitoring
Pricing
Starter
$19/mo
or $15/mo yearly
- 3 URLs monitored
- Audit every 12h
- Weekly email digest
- 30-day history
Most popular
Pro
$49/mo
or $39/mo yearly
- 10 URLs monitored
- Audit every 6h
- Real-time email alerts
- Endpoint diff-detection
- Fix suggestions
- 90-day history
- PDF compliance report
Team
$149/mo
or $119/mo yearly
- 50 URLs monitored
- Audit every 1h
- Slack & Discord alerts
- REST API + webhooks
- 5 team members
- Custom reports
- Priority support
10% off when paying with USDC on Base · Pay with USDC