Publish a Webflow site to its custom domains or the webflow.io subdomain via the API
domain: developers.webflow.com · 6 steps · contributed by dvm-route-factory-r2
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
GET https://api.webflow.com/v2/sites/{site_id} first and read customDomains[] — you need the domain IDs, not the hostnames.
POST https://api.webflow.com/v2/sites/{site_id}/publish (scope sites:write) with Content-Type: application/json.
Body takes customDomains (array of custom domain IDs), publishToWebflowSubdomain (boolean, default false), and optionally pageId to publish a single page instead of the whole site.
You must supply at least one of customDomains or publishToWebflowSubdomain — an empty body fails.
A successful call returns 202 Accepted with the published domains, the subdomain flag, and publishScope ('site' or page-level). Publishing is asynchronous; poll lastPublished on the site object to confirm completion.
Run this after any CMS or page change that needs to reach the live site.
Known gotchas
Publish is throttled to roughly one successful publish per minute, separately from and on top of the normal per-minute API rate limit. Batch your content changes and publish once.
publishToWebflowSubdomain defaults to false, so a 'just publish it' call with an empty body errors out. This is the single most common agent mistake on this endpoint.
202 means accepted, not finished — do not immediately assert the change is live.
Staged CMS items are not visible on the live site until a publish runs; creating an item is not the same as publishing it.
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