Blue App

Served by Cloudflare Workers

Build 624aa125-3697-47b7-bbbd-f3c07300cd90

What's my IP?

IP Address 216.73.216.3
CF-Connecting-IP 216.73.216.3
Remote Host Unknown
Country Code US
X-Forwarded-For Not provided

Reverse proxy quickstart

Point traffic from your vanity domains to the demo targets and pools with host/SNI overrides.

if (http.getHostHeader() == "example1.domain.com") {
   http.setHeader("Host", "demo-blue.northwall.app");
   ssl.setTLSServerName("demo-blue.northwall.app");
    pool.use("pool-blue");
}
else if (http.getHostHeader() == "example2.domain.com") {
   http.setHeader("Host", "demo-green.northwall.app");
   ssl.setTLSServerName("demo-green.northwall.app");
    pool.use("pool-green");
}

Demo JWT

eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJkZW1vLWJsdWUubm9ydGh3YWxsLmFwcCIsInN1YiI6ImNoZWNrd2FsbC1kZW1vIiwidmFyaWFudCI6ImJsdWUiLCJleHAiOjM2MDB9.demo-signature

Diagnostics & built-in endpoints

These endpoints are built into the demo app to help diagnose proxy behaviour, timeouts, MIME validation, and API routing.

GET /api/status Simple JSON health check.
GET /api/users Example API payload.
POST /api/echo?status=401 Echo body with chosen status.
GET /delay?seconds=12 Full-response delay (TTFB/timeout).
GET /chunked?first=ok&gap=15 Chunked response with pause.
GET /sse?interval=10 Streaming keep-alive events.
GET /mime/ok?type=image/png Valid MIME 1×1 PNG.
GET /mime/wrong?type=text/plain Wrong MIME 1×1 PNG.
GET /mime/text?charset=utf-8 Text with chosen charset.
GET /mime/raw?type=application/octet-stream Raw binary bytes.

Waiting for request…

Click a button…

Response headers

(none)

WebSocket echo demo

Connect to the Blue App worker via WebSocket and watch your messages bounce straight back.

Disconnected

No messages yet.

Request headers

accept: */*
accept-encoding: gzip, br
cf-connecting-ip: 216.73.216.3
cf-ipcountry: US
cf-ray: 9a9864347da5ef0a
cf-visitor: {"scheme":"https"}
connection: Keep-Alive
host: demo-blue.northwall.app
user-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
x-forwarded-proto: https
x-real-ip: 216.73.216.3

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