diff --git a/coil-network-core/api/android/coil-network-core.api b/coil-network-core/api/android/coil-network-core.api
index 4e920ade60..49e75898c6 100644
--- a/coil-network-core/api/android/coil-network-core.api
+++ b/coil-network-core/api/android/coil-network-core.api
@@ -111,12 +111,17 @@ public final class coil3/network/NetworkHeaders$Companion {
 }
 
 public final class coil3/network/NetworkRequest {
-	public fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;)V
+	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;)V
 	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
-	public final fun copy (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;)Lcoil3/network/NetworkRequest;
+	public fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;Lcoil3/Extras;)V
+	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;Lcoil3/Extras;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
+	public final synthetic fun copy (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;)Lcoil3/network/NetworkRequest;
+	public final fun copy (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;Lcoil3/Extras;)Lcoil3/network/NetworkRequest;
 	public static synthetic fun copy$default (Lcoil3/network/NetworkRequest;Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;ILjava/lang/Object;)Lcoil3/network/NetworkRequest;
+	public static synthetic fun copy$default (Lcoil3/network/NetworkRequest;Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;Lcoil3/Extras;ILjava/lang/Object;)Lcoil3/network/NetworkRequest;
 	public fun equals (Ljava/lang/Object;)Z
 	public final fun getBody ()Lcoil3/network/NetworkRequestBody;
+	public final fun getExtras ()Lcoil3/Extras;
 	public final fun getHeaders ()Lcoil3/network/NetworkHeaders;
 	public final fun getMethod ()Ljava/lang/String;
 	public final fun getUrl ()Ljava/lang/String;
diff --git a/coil-network-core/api/coil-network-core.klib.api b/coil-network-core/api/coil-network-core.klib.api
index b7b3133389..11b3396b30 100644
--- a/coil-network-core/api/coil-network-core.klib.api
+++ b/coil-network-core/api/coil-network-core.klib.api
@@ -115,9 +115,12 @@ final class coil3.network/NetworkHeaders { // coil3.network/NetworkHeaders|null[
 
 final class coil3.network/NetworkRequest { // coil3.network/NetworkRequest|null[0]
     constructor <init>(kotlin/String, kotlin/String = ..., coil3.network/NetworkHeaders = ..., coil3.network/NetworkRequestBody? = ...) // coil3.network/NetworkRequest.<init>|<init>(kotlin.String;kotlin.String;coil3.network.NetworkHeaders;coil3.network.NetworkRequestBody?){}[0]
+    constructor <init>(kotlin/String, kotlin/String = ..., coil3.network/NetworkHeaders = ..., coil3.network/NetworkRequestBody? = ..., coil3/Extras = ...) // coil3.network/NetworkRequest.<init>|<init>(kotlin.String;kotlin.String;coil3.network.NetworkHeaders;coil3.network.NetworkRequestBody?;coil3.Extras){}[0]
 
     final val body // coil3.network/NetworkRequest.body|{}body[0]
         final fun <get-body>(): coil3.network/NetworkRequestBody? // coil3.network/NetworkRequest.body.<get-body>|<get-body>(){}[0]
+    final val extras // coil3.network/NetworkRequest.extras|{}extras[0]
+        final fun <get-extras>(): coil3/Extras // coil3.network/NetworkRequest.extras.<get-extras>|<get-extras>(){}[0]
     final val headers // coil3.network/NetworkRequest.headers|{}headers[0]
         final fun <get-headers>(): coil3.network/NetworkHeaders // coil3.network/NetworkRequest.headers.<get-headers>|<get-headers>(){}[0]
     final val method // coil3.network/NetworkRequest.method|{}method[0]
@@ -126,6 +129,7 @@ final class coil3.network/NetworkRequest { // coil3.network/NetworkRequest|null[
         final fun <get-url>(): kotlin/String // coil3.network/NetworkRequest.url.<get-url>|<get-url>(){}[0]
 
     final fun copy(kotlin/String = ..., kotlin/String = ..., coil3.network/NetworkHeaders = ..., coil3.network/NetworkRequestBody? = ...): coil3.network/NetworkRequest // coil3.network/NetworkRequest.copy|copy(kotlin.String;kotlin.String;coil3.network.NetworkHeaders;coil3.network.NetworkRequestBody?){}[0]
+    final fun copy(kotlin/String = ..., kotlin/String = ..., coil3.network/NetworkHeaders = ..., coil3.network/NetworkRequestBody? = ..., coil3/Extras = ...): coil3.network/NetworkRequest // coil3.network/NetworkRequest.copy|copy(kotlin.String;kotlin.String;coil3.network.NetworkHeaders;coil3.network.NetworkRequestBody?;coil3.Extras){}[0]
     final fun equals(kotlin/Any?): kotlin/Boolean // coil3.network/NetworkRequest.equals|equals(kotlin.Any?){}[0]
     final fun hashCode(): kotlin/Int // coil3.network/NetworkRequest.hashCode|hashCode(){}[0]
     final fun toString(): kotlin/String // coil3.network/NetworkRequest.toString|toString(){}[0]
diff --git a/coil-network-core/api/jvm/coil-network-core.api b/coil-network-core/api/jvm/coil-network-core.api
index 08eb3c8214..dffce02b48 100644
--- a/coil-network-core/api/jvm/coil-network-core.api
+++ b/coil-network-core/api/jvm/coil-network-core.api
@@ -111,12 +111,17 @@ public final class coil3/network/NetworkHeaders$Companion {
 }
 
 public final class coil3/network/NetworkRequest {
-	public fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;)V
+	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;)V
 	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
-	public final fun copy (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;)Lcoil3/network/NetworkRequest;
+	public fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;Lcoil3/Extras;)V
+	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;Lcoil3/Extras;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
+	public final synthetic fun copy (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;)Lcoil3/network/NetworkRequest;
+	public final fun copy (Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;Lcoil3/Extras;)Lcoil3/network/NetworkRequest;
 	public static synthetic fun copy$default (Lcoil3/network/NetworkRequest;Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;ILjava/lang/Object;)Lcoil3/network/NetworkRequest;
+	public static synthetic fun copy$default (Lcoil3/network/NetworkRequest;Ljava/lang/String;Ljava/lang/String;Lcoil3/network/NetworkHeaders;Lcoil3/network/NetworkRequestBody;Lcoil3/Extras;ILjava/lang/Object;)Lcoil3/network/NetworkRequest;
 	public fun equals (Ljava/lang/Object;)Z
 	public final fun getBody ()Lcoil3/network/NetworkRequestBody;
+	public final fun getExtras ()Lcoil3/Extras;
 	public final fun getHeaders ()Lcoil3/network/NetworkHeaders;
 	public final fun getMethod ()Ljava/lang/String;
 	public final fun getUrl ()Ljava/lang/String;
diff --git a/coil-network-core/src/commonMain/kotlin/coil3/network/NetworkClient.kt b/coil-network-core/src/commonMain/kotlin/coil3/network/NetworkClient.kt
index 634a363726..dece7e7ce6 100644
--- a/coil-network-core/src/commonMain/kotlin/coil3/network/NetworkClient.kt
+++ b/coil-network-core/src/commonMain/kotlin/coil3/network/NetworkClient.kt
@@ -1,5 +1,6 @@
 package coil3.network
 
+import coil3.Extras
 import coil3.annotation.Poko
 import coil3.network.internal.HTTP_METHOD_GET
 import coil3.network.internal.HTTP_RESPONSE_OK
@@ -34,17 +35,42 @@ class NetworkRequest(
     val method: String = HTTP_METHOD_GET,
     val headers: NetworkHeaders = NetworkHeaders.EMPTY,
     val body: NetworkRequestBody? = null,
+    val extras: Extras = Extras.EMPTY,
 ) {
     fun copy(
         url: String = this.url,
         method: String = this.method,
         headers: NetworkHeaders = this.headers,
         body: NetworkRequestBody? = this.body,
+        extras: Extras = this.extras,
     ) = NetworkRequest(
         url = url,
         method = method,
         headers = headers,
         body = body,
+        extras = extras,
+    )
+
+    @Deprecated("Kept for binary compatibility.", level = DeprecationLevel.HIDDEN)
+    constructor(
+        url: String,
+        method: String = HTTP_METHOD_GET,
+        headers: NetworkHeaders = NetworkHeaders.EMPTY,
+        body: NetworkRequestBody? = null,
+    ) : this(url, method, headers, body)
+
+    @Deprecated("Kept for binary compatibility.", level = DeprecationLevel.HIDDEN)
+    fun copy(
+        url: String = this.url,
+        method: String = this.method,
+        headers: NetworkHeaders = this.headers,
+        body: NetworkRequestBody? = this.body,
+    ) = NetworkRequest(
+        url = url,
+        method = method,
+        headers = headers,
+        body = body,
+        extras = this.extras,
     )
 }
 
diff --git a/coil-network-core/src/commonMain/kotlin/coil3/network/NetworkFetcher.kt b/coil-network-core/src/commonMain/kotlin/coil3/network/NetworkFetcher.kt
index 32b7eda936..e05dac6744 100644
--- a/coil-network-core/src/commonMain/kotlin/coil3/network/NetworkFetcher.kt
+++ b/coil-network-core/src/commonMain/kotlin/coil3/network/NetworkFetcher.kt
@@ -184,6 +184,7 @@ class NetworkFetcher(
             method = options.httpMethod,
             headers = headers.build(),
             body = options.httpBody,
+            extras = options.extras,
         )
     }
 
diff --git a/coil-network-core/src/commonTest/kotlin/coil3/network/NetworkFetcherTest.kt b/coil-network-core/src/commonTest/kotlin/coil3/network/NetworkFetcherTest.kt
index 57e7d068de..3c44e7275b 100644
--- a/coil-network-core/src/commonTest/kotlin/coil3/network/NetworkFetcherTest.kt
+++ b/coil-network-core/src/commonTest/kotlin/coil3/network/NetworkFetcherTest.kt
@@ -49,7 +49,7 @@ class NetworkFetcherTest : RobolectricTest() {
 
         assertIs<SourceFetchResult>(result)
 
-        val expected = NetworkRequest(url, method, headers, body)
+        val expected = NetworkRequest(url, method, headers, body, options.extras)
 
         assertEquals(expected, networkClient.requests.single())
     }