What the Wix connection does not expose, its field limits and the common errors when calling it.

What you cannot do

Common errors

Error	Cause	Fix
`400` on an article	A field is too long (title 200, excerpt 500, slug 100), more than 30 tags, `author` is not a member id, or one HTML element exceeds 30,000 characters	Correct the named field or split the HTML.
`400` on an image	The image URL is unreachable, redirects more than three times, or is not JPEG, PNG, WebP or GIF up to 10 MB	Use a direct public image URL.
`403`	The Zernio app was removed from the site	Reconnect the site.
`404 blog_article_not_found`	The post was deleted or the id is not a post on this site	List the blog's articles for a current id.
`429`	Wix rate limited the request	Retry after `Retry-After`.

Error	Cause	Fix
`400` on an article	A field is too long (title 200, excerpt 500, slug 100), more than 30 tags, `author` is not a member id, or one HTML element exceeds 30,000 characters	Correct the named field or split the HTML.
`400` on an image	The image URL is unreachable, redirects more than three times, or is not JPEG, PNG, WebP or GIF up to 10 MB	Use a direct public image URL.
`403`	The Zernio app was removed from the site	Reconnect the site.
`404 blog_article_not_found`	The post was deleted or the id is not a post on this site	List the blog's articles for a current id.
`429`	Wix rate limited the request	Retry after `Retry-After`.