diff --git a/api/api.go b/api/api.go
index 6915727..b9eac4f 100644
--- a/api/api.go
+++ b/api/api.go
@@ -31,6 +31,7 @@ import (
 	"go.fifitido.net/twitch/api/teams"
 	"go.fifitido.net/twitch/api/users"
 	"go.fifitido.net/twitch/api/videos"
+	"go.fifitido.net/twitch/api/whispers"
 )
 
 const HelixBaseUrl = "https://api.twitch.tv/helix"
@@ -66,6 +67,7 @@ type API struct {
 	Teams         *teams.Teams
 	Users         *users.Users
 	Videos        *videos.Videos
+	Whispers      *whispers.Whispers
 }
 
 func New(client *http.Client, baseUrl *url.URL) *API {
@@ -100,6 +102,7 @@ func New(client *http.Client, baseUrl *url.URL) *API {
 		Teams:         teams.New(client, baseUrl),
 		Users:         users.New(client, baseUrl),
 		Videos:        videos.New(client, baseUrl),
+		Whispers:      whispers.New(client, baseUrl),
 	}
 }
 
diff --git a/api/whispers/send_whisper.go b/api/whispers/send_whisper.go
new file mode 100644
index 0000000..7f7f70f
--- /dev/null
+++ b/api/whispers/send_whisper.go
@@ -0,0 +1,74 @@
+package whispers
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/url"
+
+	"github.com/google/go-querystring/query"
+)
+
+type SendWhisperParams struct {
+	// The ID of the user sending the whisper.
+	// This user must have a verified phone number.
+	// This ID must match the user ID in the user access token.
+	FromUserID string `json:"from_user_id"`
+
+	// The ID of the user to receive the whisper.
+	ToUserID string `json:"to_user_id"`
+}
+
+type SendWhisperRequest struct {
+	// The whisper message to send. The message must not be empty.
+	//
+	// The maximum message lengths are:
+	//
+	// 500 characters if the user you're sending the message to hasn't whispered you before.
+	//
+	// 10,000 characters if the user you're sending the message to has whispered you before.
+	//
+	// Messages that exceed the maximum length are truncated.
+	Message string `json:"message"`
+}
+
+// Sends a whisper message to the specified user.
+//
+// NOTE: The user sending the whisper must have a verified phone number
+// (see the Phone Number setting in your Security and Privacy settings).
+//
+// NOTE: The API may silently drop whispers that it suspects of violating Twitch policies.
+// (The API does not indicate that it dropped the whisper; it returns a 204 status code as if it succeeded.)
+//
+// Rate Limits: You may whisper to a maximum of 40 unique recipients per day.
+// Within the per day limit, you may whisper a maximum of 3 whispers per second and a maximum of 100 whispers per minute.
+//
+// Requires a user access token that includes the user:manage:whispers scope.
+func (c *Whispers) SendWhisper(ctx context.Context, params *SendWhisperParams, body *SendWhisperRequest) error {
+	v, _ := query.Values(params)
+	endpoint := c.baseUrl.ResolveReference(&url.URL{Path: "whispers", RawQuery: v.Encode()})
+
+	r, w := io.Pipe()
+
+	go func() {
+		if err := json.NewEncoder(w).Encode(body); err != nil {
+			w.CloseWithError(err)
+		} else {
+			w.Close()
+		}
+	}()
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint.String(), r)
+	if err != nil {
+		return err
+	}
+
+	res, err := c.client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer res.Body.Close()
+
+	return nil
+}
diff --git a/api/whispers/whispers.go b/api/whispers/whispers.go
new file mode 100644
index 0000000..da4e064
--- /dev/null
+++ b/api/whispers/whispers.go
@@ -0,0 +1,18 @@
+package whispers
+
+import (
+	"net/http"
+	"net/url"
+)
+
+type Whispers struct {
+	client  *http.Client
+	baseUrl *url.URL
+}
+
+func New(client *http.Client, baseUrl *url.URL) *Whispers {
+	return &Whispers{
+		client:  client,
+		baseUrl: baseUrl,
+	}
+}