Hosting
Built-in file viewer
Deployments without an index now open in a format-specific viewer or multi-file explorer.
Read update ->What shipped
Flat changelog
Follow new features, CLI releases, and infrastructure improvements as we make static publishing faster and simpler.
Product updates
Domains
Named Domains on Shared Domains
Choose a direct subdomain such as `demo.onflat.page` for a deployment, including temporary anonymous browser publications.
Read update ->Hosting
Deployment password protection and disabling
Protect deployments with a shared password or disable access across deployment and custom domains.
Read update ->Domains
Clearer Domain diagnostics
Domain inspection and validation now report observed CNAME targets, and Flat skips TLS probes for unconfigured Domains.
Read update ->Domains
List configured Organization Domains
Use the CLI or API to list the configured Custom Domains owned by your Organization.
Read update ->Publishing
Publish files from your browser
You can publish files from Flat's website using an email address, then sign in to keep the Deployment under your Organization.
Read update ->CLI
Claim anonymous deployments with login
The CLI now groups anonymous deployments under a reusable local identity, so one login preserves every active deployment and authenticates future deploys.
Read update ->CLI
CLI login and permanent deployments
Sign in from the CLI to publish permanent sites, claim temporary anonymous deployments, and authenticate CI with an agent API key.
Read update ->Publishing
Claim an anonymous deployment
Publish without signing in, then claim the same URL within an hour if you want to keep it.
Read update ->Domains
Use your own domain
Point a domain at a live Flat deployment, or redirect it to another domain.
Read update ->CLI
Open a deploy after publishing
Add --open and the CLI opens your new deployment in the default browser.
Read update ->Hosting
Single-file URLs go straight to the file
Deploy one file and its bare deployment URL now serves that file directly.
Read update ->CLI
Flat CLI is here
Publish a folder or file from your terminal and get an immutable onflat.page URL.
Read update ->