Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
United States
Bump.sh helps you build a branded single source of truth, cataloging all your APIs. We’ve created the reference point for developers and product managers consuming and building APIs, no matter which technology they rely on (OpenAPI, AsyncAPI, and more soon).
Pingbreak is an original and free monitoring service. Get notified through Twitter if your website is down. Pingbreak checks all of your websites each minute and alert you instantly by Direct Message (DM)
Opsee is uptime monitoring for microservices running in AWS. It continually tests services, alerting you of outages and breaking changes. There's no agent to install and no configuration to manage.
FlareCanary monitors REST and MCP endpoints for response schema changes. Point it at any endpoint you don't control, let it build a structural baseline from observed responses, and get alerted when that baseline drifts — before your integration breaks.
United States
Free browser-based OpenAPI editor from Postman. Design or import a Swagger 2.0, OpenAPI 3.0, or OpenAPI 3.1 spec (YAML or JSON) and see live documentation with inline validation as you type. No signup, no install. Part of Postman's suite of free developer tools at postman.
United States
