The best open source alternative to Spike API is Gatus. If that doesn't suit you, we've compiled a ranked list of other open source Spike API alternatives to help you find a suitable replacement. Other interesting open source alternative to Spike API is Open Wearables.
Spike API alternatives are mainly Infrastructure Monitoring Tools but may also be Status Pages or Uptime Monitoring Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Spike API.
A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure

Gatus is a powerful monitoring solution that helps you keep track of your infrastructure's health in real-time. The platform offers comprehensive monitoring capabilities for HTTP, GraphQL, DNS, ICMP/PING, TCP, and certificate expiration checks.
Key features include:
The platform stands out by being completely open source, allowing for community contributions and custom feature development. Unlike traditional status pages that only show historical uptime, Gatus focuses on providing immediate, actionable information about current service status.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Self-hosted platform integrating Garmin, Fitbit, Oura, Whoop & Apple Health. Build AI-powered apps with unified APIs, natural language automations & embeddable widgets.

Transform scattered wearable data into actionable health insights with this open-source, self-hosted platform. Connect multiple devices through a single API and build intelligent health applications without vendor lock-in.
Unified Data Integration
AI-Powered Health Intelligence
Developer-Friendly Features
Use Cases
Perfect for developers building the next generation of health applications, researchers analyzing population health trends, and individuals wanting complete control over their personal health data ecosystem.