Streaming SSE Domain
Chat, event, notification, and sensor streams for real-time UI testing
API Prefix
/api/stream
Every endpoint hangs off this prefix so you can compose requests consistently.
Endpoint coverage
4
Curated routes spanning common workflows
Playground ready
Deep link directly into the playground with your preferred method and path.
Open in PlaygroundCapabilities
Mix and match endpoints to validate dashboards, onboarding flows, error states, and integration docs before touching production systems.
OpenAI-style chat chunk streams
Live event and notification feeds
Sensor stream payloads for realtime UI tests
SSE-friendly headers and pacing
Useful for chat panes and activity dashboards
Zero-model-cost streaming integration tests
Endpoints
Each endpoint responds with JSON objects modeled after production systems, complete with pagination, filtering, and optional latency controls for stress testing.
Test token-by-token rendering, subscription state, and reconnect flows directly in the browser.
Explore more
Browse the full library of free mock API domains for your next project.