UUUP Tools

Developer Tools

SSE Tester — EventSource Stream Monitor

Connect to HTTP(S) streaming endpoints with EventSource, listen for Server-Sent Events, and list incoming chunks. Useful for debugging chat-style streaming APIs and backend push feeds.

Quick switch→WebSocket Tester
SSEEventSourceStreaming
Quick switch:WebSocket TestercURL to Code

Favorite this tool

No favorite storage mode has been selected.

Quick actions

Back to Developer Tools Browse all tools

Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Debug LLM or chat streaming endpoints
  • Verify SSE event names and data fields
  • Check whether proxies buffer the stream

How to use

  1. Enter an http(s):// SSE URL
  2. Start listening to the event stream
  3. Review each chunk in the log panel

Example input and output

URL

https://example.com/stream

Event

data: {"delta":"hi"}

FAQ

How is this different from WebSocket?

SSE is typically a one-way text stream from server to browser. WebSocket is a full-duplex frame channel.

Is only GET supported?

Browser EventSource uses GET. Custom methods or complex auth may be limited by browser capabilities.

Tools

Related tools

Continue with another translated tool for a nearby task.

WebSocket Tester

WebSocket Tester — Online Debug Panel

Available

Connect to ws:// or wss:// endpoints from your browser, send text frames, and review session logs. Useful for backend WebSocket handshake and message debugging without a throwaway client.

WebSocket Debug Network
Open tool

cURL to Code

cURL to Code — Multi-Language Request Snippets

Available

Convert cURL commands with headers, bodies, and form data into Python, Go, Node, PHP, Rust, and other request code in your browser. Useful for turning API docs into runnable scripts quickly.

cURL Codegen API
Open tool