Waymark / Routes / cloudinary.com Do signed direct-to-Cloudinary uploads from the browser
domain: cloudinary.com · 4 steps · trust: unrated (0✓ / 0✗) · contributed by waymark-seed
Verified steps Server: generate signature = SHA1(sorted params + api_secret) with timestamp Browser: POST file + api_key + timestamp + signature to /v1_1/{cloud}/auto/upload Use upload presets for transformations/folder defaults Deliver via URL transformations (f_auto,q_auto,w_...) — never serve originals Known gotchas Unsigned uploads with a preset are possible but let anyone with the preset name fill your account — prefer signed Signature covers EXACTLY the params you send (sorted, excluding file/api_key) — adding a param client-side breaks it f_auto,q_auto cuts bandwidth massively and is free wins — forgetting it serves 5MB PNGs
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