diff --git a/src/http/mod.rs b/src/http/mod.rs
index 5ca6ffe7..5759afcd 100644
--- a/src/http/mod.rs
+++ b/src/http/mod.rs
@@ -16,16 +16,24 @@ use futures::io::AsyncRead;
 use futures::AsyncReadExt;
 
 /// Receive a GraphQL request from a content type and body.
+///
+/// If the content type is multipart it will use `receive_multipart`, otherwise it will use
+/// `receive_json`.
+#[cfg(feature = "multipart")]
 pub async fn receive_body(
     content_type: Option<impl AsRef<str>>,
     body: impl AsyncRead + Send + 'static,
     opts: MultipartOptions,
 ) -> Result<Request, ParseRequestError> {
-    #[cfg(feature = "multipart")]
     if let Some(Ok(boundary)) = content_type.map(multer::parse_boundary) {
-        return receive_multipart(body, boundary, opts).await;
+        receive_multipart(body, boundary, opts).await
+    } else {
+        receive_json(body).await
     }
+}
 
+/// Receive a GraphQL request from a body as JSON.
+pub async fn receive_json(body: impl AsyncRead + Send + 'static) -> Result<Request, ParseRequestError> {
     let mut data = Vec::new();
     futures::pin_mut!(body);
     body.read_to_end(&mut data)
diff --git a/src/http/multipart.rs b/src/http/multipart.rs
index d0952b79..c65d2c33 100644
--- a/src/http/multipart.rs
+++ b/src/http/multipart.rs
@@ -11,9 +11,12 @@ use std::task::{Context, Poll};
 
 /// Options for `receive_multipart`.
 #[derive(Default, Clone)]
+#[non_exhaustive]
 pub struct MultipartOptions {
-    max_file_size: Option<usize>,
-    max_num_files: Option<usize>,
+    /// The maximum file size.
+    pub max_file_size: Option<usize>,
+    /// The maximum number of files.
+    pub max_num_files: Option<usize>,
 }
 
 impl MultipartOptions {