HTTP client for WordPress REST API with middleware support.

apiFetch( options )

Performs a request and returns a Promise.

options fields:

• path (REST path, e.g. /wp/v2/posts)
• url (absolute URL override)
• method (GET, POST, etc.)
• data (request body for non-GET)
• headers
• parse (default true, parse JSON)
• signal (AbortController signal)

Middleware

apiFetch.use( middleware )

Registers middleware. Middleware receives ( options, next ).

Common middleware helpers

• createNonceMiddleware( nonce )
• createRootURLMiddleware( rootUrl )
• createPreloadingMiddleware( preloadedData )
• createUserLocaleMiddleware()

Error Handling

Errors include code, message, and data when returned by the REST API.