WithZero CDN File & Site Upload

x402

WithZero CDN File & Site Upload is a paid API for AI agents from agents.withzero.xyz, paid per call via x402 or MPP, price unknown, status unknown (last checked 2026-10-02).

Upload a single file or deploy a static website to a public CDN, returning public URLs under a per-wallet namespace

Price / call—

Seller volume →—

Success—

StatusUnknown

How this service works

Uploads a file to the CDN and returns a public URL.

Output

Returns the wallet ID (a stable per-wallet base62 identifier used as the folder in the URL path), the resolved cache TTL in seconds, and an array of file entries each containing the full public URL, the path within the wallet namespace, and the decoded file size in bytes. For a static site, one entry per file in the zip is returned.

Example use cases

Deploy a static landing page

“I've got a zip of my product landing page (HTML, CSS, and JS). Deploy it as a static site under the slug 'launch-page' with a 1-hour cache so it's live on the web immediately.”

Publish a generated image file

“Take this base64-encoded PNG image and upload it as a file with the slug 'banner.png' so I can share a public URL for it — cache it for 24 hours.”

Update a deployed web app

“Here's a new zip of my updated portfolio site — redeploy it to the same slug 'portfolio' so the old version gets replaced and anyone visiting the URL sees the latest version.”

Technical details

Endpoint

POSThttps://agents.withzero.xyz/api/v1/cdn/uploads?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need to publish a file or static website to a public URL without setting up a vendor CDN account or API key. It is ideal for agents that generate HTML/CSS/JS sites, images, or other binary assets and need an immediate publicly accessible URL. It is preferable over object-storage services when you need edge caching and a stable wallet-namespaced URL. For site deployments, it atomically replaces the previous deploy at the same slug, making it suitable for continuous redeployment workflows.

Side effects

Data exceeds 10 MiB decoded — request rejected with size error
Invalid base64 encoding in data field — parse error returned
kind:site zip decompressed total exceeds 10 MiB — rejected
slug contains invalid path characters — validation error
cacheTtlSeconds outside [60, 86400] range — clamped silently or rejected
Missing required 'data' field — 400 validation error
kind:file with no slug and no ext field — error or unpredictable filename

Input

Schema · Request body

Field	Type	Description
ext	string	Required only for kind:file with no slug; ignored otherwise.
datarequired	string	Base64-encoded bytes. For kind:site, a zip of your static website (HTML/CSS/JS). For kind:file, the raw file bytes. Max 10 MiB after decode (same cap for kind:site decompressed total).
kind	string	"site" hosts a static website: data is a zip atomically deployed to your wallet folder under the slug prefix and served at /<walletId>/<slug>/ — replaces any previous deploy at that prefix. "file" (default) uploads a single asset under your wallet folder.
slug	string	Custom path within your wallet folder. kind:site — the folder prefix the site is deployed under (e.g. "my-site" → served at /<walletId>/my-site/). kind:file — full filename including extension (e.g. "logo.png"). Re-uploads to the same slug overwrite; site re-deploys delete orphans from the previous deploy.
password	string	Sets or changes the site password (implies visibility:"password"). 8–256 chars. Omit to keep the current one.
visibility	string	kind:site only. "public" (default for a new site): served at /<walletId>/<slug>/. "link": private — served only at an unguessable /p/<shareId>/ URL returned as shareUrl; anyone holding it can view the site. "password": private behind a password; shareUrl is cdn.withzero.xyz/p/<id>/, a redirect to the private origin https://<id>.private.withzero.xyz/ — browsers get a form, agents send Authorization: Basic with any username. Omit on a re-deploy to keep the current visibility. Private responses are never edge-cached.
cacheTtlSeconds	integer	Edge cache lifetime (Cache-Control max-age) in seconds, applied to every object in this upload. Default 3600, clamped to [60, 86400]. Does not affect how long files are stored.

Output

Schema · Response

Field	Type	Description
filesrequired	array	One entry per uploaded file. kind:file — a single entry. kind:site — one entry per file in the zip; the hosted site's entry point is /<walletId>/<slug>/, which serves <slug>/index.html.
shareUrl	—	kind:site with link or password visibility — the private URL to share. For a link site it is the whole credential; for a password site viewers also need the password.
walletIdrequired	string	Random per-wallet base62 id used as the folder in the URL path (the <walletId> in /<walletId>/<slug>/).
visibility	string	kind:site only — the site's visibility after this upload.
cacheTtlSecondsrequired	integer	Resolved edge cache lifetime (Cache-Control max-age) applied to every uploaded object.

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