Detects and alerts on silent third-party API changes before they break your app.
Product memo
Developers and teams relying on external services use API-Monitor to catch silent API changes before they cause production outages. It delivers instant alerts on endpoint status, field structure, and data type shifts, cutting down on debugging time. The product carves out a niche by focusing solely on proactive change detection, offering a clear alternative to generic uptime monitors.
For who
Developers and teams using third-party APIs
Solves what
Detects and alerts on silent API changes before they break your app.
- Instant change alerts
- API endpoint monitoring
- Structure change detection
In their own words
Know when your APIs change before your users do
Get instant alerts when third-party APIs break or change — no dashboards, no noise.
Commercial cues
Model
free only
Free tier
Yes
Trial
No
Pricing Strategy
The product offers a free tier for monitoring a single API endpoint. Larger teams needing more extensive coverage move to a custom-priced Pro tier.
- • The free entry point lets developers test value before committing.
- • Free tier lowers testing friction.
- • Pro handles custom requirements.
Operator context
Founded
Jan 2026
HQ
Australia
Platform
Web app
Audience
Developers
Payments
Stripe
Public footprint
Tech stack
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Pre Revenue
- Effort
- Solo Buildable
About API-Monitoring Expand
API-Monitor provides a critical service for developers and teams that integrate with external APIs. It specializes in detecting subtle, unannounced changes in API endpoints, data structures, and field types that often go unnoticed by traditional monitoring tools.
By delivering instant alerts via email and webhooks, API-Monitor helps prevent application failures and reduces the time spent debugging unexpected issues. Its simple setup, often under a minute, makes it an accessible tool for proactive API health management, positioning it as a focused product against the common problem of third-party API volatility.