diff --git a/api/client.go b/api/client.go
index 3dffce6..acb30d8 100644
--- a/api/client.go
+++ b/api/client.go
@@ -37,6 +37,8 @@ type Client struct {
 	http *http.Client
 }
 
+// checkError checks the response from the server and returns an error if the
+// status code is not in the 200-299 range.
 func checkError(resp *http.Response, body []byte) error {
 	if resp.StatusCode < http.StatusBadRequest {
 		return nil
@@ -69,6 +71,7 @@ func ClientFromEnvironment() (*Client, error) {
 	}, nil
 }
 
+// NewClient creates a new [Client] with the given base URL and HTTP client.
 func NewClient(base *url.URL, http *http.Client) *Client {
 	return &Client{
 		base: base,
@@ -76,6 +79,8 @@ func NewClient(base *url.URL, http *http.Client) *Client {
 	}
 }
 
+// do performs an HTTP request and unmarshals the response into the given
+// response data.
 func (c *Client) do(ctx context.Context, method, path string, reqData, respData any) error {
 	var reqBody io.Reader
 	var data []byte
@@ -129,8 +134,12 @@ func (c *Client) do(ctx context.Context, method, path string, reqData, respData
 	return nil
 }
 
+// maxBufferSize is the maximum size of the buffer used to read from the
+// server.
 const maxBufferSize = 512 * format.KiloByte
 
+// stream performs an HTTP request and calls the given function for each
+// response.
 func (c *Client) stream(ctx context.Context, method, path string, data any, fn func([]byte) error) error {
 	var buf io.Reader
 	if data != nil {