NextJS Edge Runtime Header Issue

This test demonstrates that Cloudflare APIs block NextJS Edge Runtime requests due to thex-middleware-subrequest header. Node.js runtime requests work because they don't include this header.

Perplexity API Key

Perplexity is used as an example because it's hosted on Cloudflare

Node.js Runtime

✓ Should work - no problematic header

Edge Runtime

✗ Should fail - includes blocked header

Client-side Fetch

✓ Should work - browser fetch