FAQ
General
What is an artifact?
An artifact is a file containing reusable inference state, such as KV-cache tensors. Artifacts are identified by a SHA-256 digest and described by metadata.Who can upload artifacts?
Any signed-in customer with an active organization and available storage quota.Who can download artifacts?
Private artifacts are downloadable only by members of the owning organization. Public artifacts can be downloaded by any customer; visibility is set in the portal by the artifact owner.Authentication
Why is my API request returning 401 Unauthorized?
Common causes:
- The API key is missing or malformed.
- The API key was revoked.
- The customer account is suspended.
- The
Authorizationheader is missing or does not useBearer <key>format.
Can I use the same API key for multiple organizations?
No. API keys are scoped to a single organization. Create a key for each organization that needs access.CLI
Which platforms does kvcdn support?
kvcdn is currently distributed as an x86-64 Linux binary. ARM64 support is planned for a future release.
Do I need an account to run local commands?
kvcdn verify, kvcdn quant, kvcdn benchmark, and kvcdn plot work offline on local .kv files. Only kvcdn upload requires an API key from the hosted service.
Uploads
Why was my upload URL rejected with 403 Forbidden?
Either the URL expired, the upload would exceed the free artifact limit (20 artifacts), or the artifact metadata was rejected. Upgrade in the dashboard to raise the limit.
Can I resume an interrupted upload?
No. Presigned URLs are single-use. If an upload fails, request a new URL and retry the full upload.What checksum algorithm should I use?
SHA-256.Billing
What happens if I cancel my subscription?
Your organization reverts to the default plan’s storage quota at the end of the current billing period. Existing artifacts are not deleted, but new uploads may be blocked if usage exceeds the quota.How do I update my payment method?
Use the Stripe customer portal from the dashboard under Billing > Payment method.Troubleshooting
I signed in but the dashboard is empty.
Make sure you are viewing the correct organization. If no artifacts appear, create an API key and runkvcdn upload to add your first artifact, or refresh the page after signing in.