Presigned URL vs hosted file URL
A presigned URL delegates access to your object storage. A hosted file URL layer handles upload, delivery, metadata, expiry, and cleanup for workflow handoffs.
Presigned URLs are powerful when storage is part of your product.
If you already own S3 or R2 setup, presigned URLs can be the right primitive. They also make your team responsible for edge cases.
Infrastructure ownership
Buckets, permissions, CORS, content types, lifecycle rules, and CDN behavior stay with your engineering team.
Custom control
You can model exactly how upload and download permissions should behave.
More moving parts
Every workflow still needs response mapping, cleanup, debugging, and destination-fetch validation.
A hosted URL layer is better when the file is only passing through.
Many automation jobs do not need storage infrastructure. They need a direct URL that another API can fetch, plus a cleanup handle.
One request
Upload the file and receive the URL, file ID, content type, and expiry metadata.
Workflow defaults
Expiry and delete behavior are part of the response, not a separate storage project.
Readable failures
Errors can be shaped around builder actions: missing file, unsupported type, invalid expiry, rate limit, or destination timing.
Use the simpler primitive that still exposes the controls you need.
The best choice depends on whether file storage is strategic for your product or incidental to a workflow.
Use presigned URLs if
You already run object storage and need deep control over buckets, IAM, regions, and storage policy.
Use GetFileURL if
The job is to pass workflow files to APIs with direct URLs, expiry, delete, and JSON metadata.
Avoid permanent public leftovers
Whichever model you choose, design an end state for workflow-generated files.
Answers before the workflow breaks
Are presigned URLs bad?
No. They are strong infrastructure primitives when your team wants to own storage, IAM, CORS, CDN behavior, and lifecycle policy.
Why use a hosted file URL service instead?
Use one when the workflow only needs to upload a file, get a direct public URL, and clean it up after another API fetches it.
Which is easier for n8n or Make workflows?
A hosted file URL layer is usually easier because the workflow maps one upload response instead of managing signed storage access.