diff --git a/android/capacitor/src/main/java/com/getcapacitor/plugin/util/CapacitorHttpUrlConnection.java b/android/capacitor/src/main/java/com/getcapacitor/plugin/util/CapacitorHttpUrlConnection.java
index 32e7502d8..35ab35e09 100644
--- a/android/capacitor/src/main/java/com/getcapacitor/plugin/util/CapacitorHttpUrlConnection.java
+++ b/android/capacitor/src/main/java/com/getcapacitor/plugin/util/CapacitorHttpUrlConnection.java
@@ -169,6 +169,16 @@ public void setDoOutput(boolean shouldDoOutput) {
         connection.setDoOutput(shouldDoOutput);
     }
 
+    /**
+     *
+     * @param call
+     * @throws JSONException
+     * @throws IOException
+     */
+    public void setRequestBody(PluginCall call, JSValue body) throws JSONException, IOException {
+        setRequestBody(call, body, null);
+    }
+
     /**
      *
      * @param call
@@ -194,14 +204,14 @@ public void setRequestBody(PluginCall call, JSValue body, String bodyType) throw
                 dataString = call.getString("data");
             }
             this.writeRequestBody(dataString != null ? dataString : "");
-        } else if (bodyType.equals("file")) {
+        } else if (bodyType != null && bodyType.equals("file")) {
             try (DataOutputStream os = new DataOutputStream(connection.getOutputStream())) {
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                     os.write(Base64.getDecoder().decode(body.toString()));
                 }
                 os.flush();
             }
-        } else if (bodyType.equals("formData")) {
+        } else if (bodyType != null && bodyType.equals("formData")) {
             this.writeFormDataRequestBody(contentType, body.toJSArray());
         } else {
             this.writeRequestBody(body.toString());
diff --git a/ios/Capacitor/Capacitor/Plugins/CapacitorUrlRequest.swift b/ios/Capacitor/Capacitor/Plugins/CapacitorUrlRequest.swift
index 301fe2e90..51331e3be 100644
--- a/ios/Capacitor/Capacitor/Plugins/CapacitorUrlRequest.swift
+++ b/ios/Capacitor/Capacitor/Plugins/CapacitorUrlRequest.swift
@@ -144,7 +144,7 @@ open class CapacitorUrlRequest: NSObject, URLSessionTaskDelegate {
         return data
     }
 
-    public func getRequestData(_ body: JSValue, _ contentType: String, _ dataType: String) throws -> Data? {
+    public func getRequestData(_ body: JSValue, _ contentType: String, _ dataType: String? = nil) throws -> Data? {
         if dataType == "file" {
             guard let stringData = body as? String else {
                 throw CapacitorUrlRequestError.serializationError("[ data ] argument could not be parsed as string")
@@ -185,7 +185,7 @@ open class CapacitorUrlRequest: NSObject, URLSessionTaskDelegate {
         }
     }
 
-    public func setRequestBody(_ body: JSValue, _ dataType: String) throws {
+    public func setRequestBody(_ body: JSValue, _ dataType: String? = nil) throws {
         let contentType = self.getRequestHeader("Content-Type") as? String
 
         if contentType != nil {