Now monitoring REST APIs and MCP servers
Sense trouble before your users do.
Watches your REST APIs and MCP servers for schema drift, classifies the risk with AI, and alerts your team first.
Checking POST /webhooks/orders.created…
POST /webhooks/orders.created
Schema change detected
- $.total_amount: number → string
- $.currency: added as string
- $.legacy_sku: was string
Example alert, generated automatically from a monitored response.
No credit card on Free Setup in minutes REST + MCP in one engine
Everything you need to catch drift early
Built for teams who can't afford to find out about a breaking change from a customer.
Plans that grow with you
Every plan includes AI-classified anomalies, all alert channels, and monitors as code. Enterprise pricing is quote-based. Everything else is a fixed monthly price, no sales call required.
Compare every feature by plan
| Feature | Free | Starter | Pro | Enterprise |
|---|---|---|---|---|
| Monitoring | ||||
REST API monitoring Poll any REST endpoint on a schedule and get notified when its response schema changes. | ||||
MCP / AI-agent tool monitoring Monitor MCP servers the same way, so tool schema drift is caught before it breaks an agent. | ||||
Monitor templates gallery Pre-built monitor configurations for common providers (Stripe, GitHub, Twilio, and more). | ||||
Schema changelog & version history Browse every historical schema version a monitor has captured, not just the current one. | ||||
Predictive drift scoring AI-predicted likelihood and timing of the next schema change, based on historical cadence. | ||||
| Alerting | ||||
Webhook, Slack, Email & PagerDuty alerts Route anomaly alerts to the tools your team already uses. | ||||
Web push (mobile/desktop PWA) alerts Per-device push notifications straight from the installed app. | ||||
GitHub, Linear & Jira integrations Automatically open an issue or ticket when a qualifying anomaly is detected. | ||||
Weekly AI digest A plain-English weekly summary of monitor health and anomalies, written by Claude. | ||||
| AI | ||||
AI severity classification & summaries Every anomaly is classified for severity with a plain-English summary, not just a raw diff. | ||||
Natural-language monitor creation Describe what to monitor in plain English and get a pre-filled draft monitor to review. | ||||
AI-suggested code fix A suggested code fix for critical/warning anomalies, reviewed and copied — never auto-applied. | ||||
MCP agent compatibility reports Per-agent-profile impact reports showing which of an agent's tools a schema change affects. | ||||
Active-learning ignore-pattern suggestions AI-suggested ignore patterns learned from repeatedly-dismissed anomalies, reviewed before applying. | ||||
| Collaboration | ||||
Team members & roles (RBAC) Invite teammates and assign built-in roles (Owner, Admin, Developer, Viewer, Billing Manager). | ||||
Custom roles Define roles with a custom set of permissions beyond the built-in five. | ||||
| Developer tools | ||||
Monitors-as-code (YAML/Terraform/Bicep) Export and import monitor configuration as code for version control and CI. | ||||
API keys & programmatic access Scoped API keys for automating monitor management outside the dashboard. | ||||
| Security & admin | ||||
SSO / SAML Federate sign-in with your own SAML/OIDC identity provider. | ||||
Ready to stop finding out the hard way?
Set up your first monitor in minutes. No credit card required on the free plan.