Disable edge cache in fetch

I am attempting to make an api call to an external service that also appears to be using Cloudflare. Locally it works fine and I get an uncached response, but when using workers, it's returning a response with last-modified header of August 8. How do I disable this cache? I have tried EVERYTHING: cache: 'no-store' in RequestInit /the/api?t=${Date.now()} query param cf: { cacheTtl: 0, cacheEverything: false } in RequestInit headers: { 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache' } in RequestInit