FetchClient

Methods on the client returned by createFetch.

Method	Description
`get` / `post` / `put` / `patch` / `delete`	Typed HTTP helpers
`request(method, path, options?)`	Generic verb
`upload(path, options?)`	Multipart + progress — not on the core `tanstack-fetch` client (use `/sse`, `/live`, providers)
`sse(path, options?)`	From `tanstack-fetch/sse` or `/live`
`ws(path, options?)`	WebSocket — only from `tanstack-fetch/live` (guide)
`transport(path, options?)`	WebTransport (HTTP/3 datagrams) — only from `tanstack-fetch/live`
`stream(path, options?)`	NDJSON `AsyncIterable` — only from `tanstack-fetch/live`
`use(name, interceptor)`	Register interceptor
`eject(name)`	Remove interceptor

Request options

Option	Notes
`params`	Typed from path (`:id` / `{id}`), required when placeholders exist. Only the pathname is scanned — ports and `?query` colons are ignored
`query`	Query string
`body`	Objects → JSON; `string`, `FormData`, `Blob`, `URLSearchParams`, `ArrayBuffer`, typed arrays and `ReadableStream` are sent as-is
`headers`	Per-request headers
`signal`	AbortSignal (pass Query’s)
`timeoutMs`	Override client timeout (default 30 000). Rejects with `TimeoutError` — see `isAbortError`
`parseAs`	`json` \| `text` \| `blob`
`operation`	Name for interceptor match
`interceptors`	Per-request `use` / `eject`
`onUploadProgress`	Browser upload progress (XHR) — ignored by core `tanstack-fetch`; use `/sse` / `/live`
`onDownloadProgress`	Browser download progress (XHR) — ignored by core `tanstack-fetch`; use `/sse` / `/live`