diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index ec4e49a..6a97d70 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -50,9 +50,22 @@ class Configuration implements ConfigurationInterface
                         ->scalarNode('enabled')->defaultTrue()->end()
                         ->scalarNode('endpoint')->defaultNull()->end()
                         ->scalarNode('accept_type')->defaultNull()->end()
-                        ->enumNode('body_format')
-                            ->values(array('form', 'json'))
-                            ->defaultValue('form')
+                        ->arrayNode('body_format')
+                            ->addDefaultsIfNotSet()
+                            ->beforeNormalization()
+                                ->ifString()
+                                ->then(function($v) { return array('default_format' => $v); })
+                            ->end()
+                            ->children()
+                                ->arrayNode('formats')
+                                    ->defaultValue(array('form', 'json'))
+                                    ->prototype('scalar')->end()
+                                ->end()
+                                ->enumNode('default_format')
+                                    ->values(array('form', 'json'))
+                                    ->defaultValue('form')
+                                ->end()
+                            ->end()
                         ->end()
                         ->arrayNode('request_format')
                             ->addDefaultsIfNotSet()
diff --git a/DependencyInjection/NelmioApiDocExtension.php b/DependencyInjection/NelmioApiDocExtension.php
index a56eacd..f5b3c78 100644
--- a/DependencyInjection/NelmioApiDocExtension.php
+++ b/DependencyInjection/NelmioApiDocExtension.php
@@ -33,9 +33,10 @@ class NelmioApiDocExtension extends Extension
         $container->setParameter('nelmio_api_doc.api_name', $config['name']);
         $container->setParameter('nelmio_api_doc.sandbox.enabled',  $config['sandbox']['enabled']);
         $container->setParameter('nelmio_api_doc.sandbox.endpoint', $config['sandbox']['endpoint']);
-        $container->setParameter('nelmio_api_doc.sandbox.request_format.method', $config['sandbox']['request_format']['method']);
         $container->setParameter('nelmio_api_doc.sandbox.accept_type', $config['sandbox']['accept_type']);
-        $container->setParameter('nelmio_api_doc.sandbox.body_format', $config['sandbox']['body_format']);
+        $container->setParameter('nelmio_api_doc.sandbox.body_format.formats', $config['sandbox']['body_format']['formats']);
+        $container->setParameter('nelmio_api_doc.sandbox.body_format.default_format', $config['sandbox']['body_format']['default_format']);
+        $container->setParameter('nelmio_api_doc.sandbox.request_format.method', $config['sandbox']['request_format']['method']);
         $container->setParameter('nelmio_api_doc.sandbox.request_format.default_format', $config['sandbox']['request_format']['default_format']);
         $container->setParameter('nelmio_api_doc.sandbox.request_format.formats', $config['sandbox']['request_format']['formats']);
 
diff --git a/Formatter/HtmlFormatter.php b/Formatter/HtmlFormatter.php
index 0f026cf..3b0b00c 100644
--- a/Formatter/HtmlFormatter.php
+++ b/Formatter/HtmlFormatter.php
@@ -55,10 +55,15 @@ class HtmlFormatter extends AbstractFormatter
      */
     private $acceptType;
 
+    /**
+     * @var array
+     */
+    private $bodyFormats;
+
     /**
      * @var string
      */
-    private $bodyFormat;
+    private $defaultBodyFormat;
 
     /**
      * @var array
@@ -119,11 +124,19 @@ class HtmlFormatter extends AbstractFormatter
     }
 
     /**
-     * @param string $bodyFormat
+     * @param array $bodyFormats
      */
-    public function setBodyFormat($bodyFormat)
+    public function setBodyFormats(array $bodyFormats)
     {
-        $this->bodyFormat = $bodyFormat;
+        $this->bodyFormats = $bodyFormats;
+    }
+
+    /**
+     * @param string $defaultBodyFormat
+     */
+    public function setDefaultBodyFormat($defaultBodyFormat)
+    {
+        $this->defaultBodyFormat = $defaultBodyFormat;
     }
 
     /**
@@ -205,7 +218,8 @@ class HtmlFormatter extends AbstractFormatter
             'enableSandbox'        => $this->enableSandbox,
             'requestFormatMethod'  => $this->requestFormatMethod,
             'acceptType'           => $this->acceptType,
-            'bodyFormat'           => $this->bodyFormat,
+            'bodyFormats'          => $this->bodyFormats,
+            'defaultBodyFormat'    => $this->defaultBodyFormat,
             'requestFormats'       => $this->requestFormats,
             'defaultRequestFormat' => $this->defaultRequestFormat,
             'date'                 => date(DATE_RFC822),
diff --git a/Resources/config/formatters.xml b/Resources/config/formatters.xml
index beaf429..5cd711f 100644
--- a/Resources/config/formatters.xml
+++ b/Resources/config/formatters.xml
@@ -46,8 +46,11 @@
             <call method="setAcceptType">
                 <argument>%nelmio_api_doc.sandbox.accept_type%</argument>
             </call>
-            <call method="setBodyFormat">
-                <argument>%nelmio_api_doc.sandbox.body_format%</argument>
+            <call method="setBodyFormats">
+                <argument>%nelmio_api_doc.sandbox.body_format.formats%</argument>
+            </call>
+            <call method="setDefaultBodyFormat">
+                <argument>%nelmio_api_doc.sandbox.body_format.default_format%</argument>
             </call>
             <call method="setAuthentication">
                 <argument>%nelmio_api_doc.sandbox.authentication%</argument>
diff --git a/Resources/doc/index.md b/Resources/doc/index.md
index b9572a2..31c6989 100644
--- a/Resources/doc/index.md
+++ b/Resources/doc/index.md
@@ -322,20 +322,23 @@ configure this sandbox using the following parameters:
             accept_type: application/json           # default is `~` (`null`), if set, the value is
                                                     # automatically populated as the `Accept` header
 
-            body_format: form                       # default is `form`, determines whether to send
+            body_format:
+                formats: [ form, json ]             # array of enabled body formats,
+                                                    # remove all elements to disable the selectbox
+                default_format: form                # default is `form`, determines whether to send
                                                     # `x-www-form-urlencoded` data or json-encoded
                                                     # data (by setting this parameter to `json`) in
                                                     # sandbox requests
 
             request_format:
-                formats:                            # default `json` and `xml`,
+                formats:                            # default is `json` and `xml`,
                     json: application/json          # override to add custom formats or disable
-                    xml: application/xml            # default formats
+                    xml: application/xml            # the default formats
 
-                method: format_param    # default `format_param`, alternately `accept_header`,
+                method: format_param    # default is `format_param`, alternately `accept_header`,
                                         # decides how to request the response format
 
-                default_format: json    # default `json`,
+                default_format: json    # default is `json`,
                                         # default content format to request (see formats)
 
 ### Command
diff --git a/Resources/views/layout.html.twig b/Resources/views/layout.html.twig
index 773d39e..942d8cb 100644
--- a/Resources/views/layout.html.twig
+++ b/Resources/views/layout.html.twig
@@ -17,11 +17,13 @@
             <a href="{{ path('nelmio_api_doc_index') }}"><h1>{{ apiName }}</h1></a>
             {% if enableSandbox %}
                 <div id="sandbox_configuration">
+                    {% if bodyFormats|length > 0 %}
                     body format:
                     <select id="body_format">
-                        <option value="x-www-form-urlencoded"{{ bodyFormat == 'form' ? ' selected' : '' }}>Form Data</option>
-                        <option value="json"{{ bodyFormat == 'json' ? ' selected' : '' }}>JSON</option>
+                        {% if 'form' in bodyFormats %}<option value="form"{{ defaultBodyFormat == 'form' ? ' selected' : '' }}>Form Data</option>{% endif %}
+                        {% if 'json' in bodyFormats %}<option value="json"{{ defaultBodyFormat == 'json' ? ' selected' : '' }}>JSON</option>{% endif %}
                     </select>
+                    {% endif %}
                     request format:
                     <select id="request_format">
                     {% for format, header in requestFormats %}
@@ -275,10 +277,14 @@
                     }
 
                     // set default bodyFormat
-                    var bodyFormat = $('#body_format').val();
+                    var bodyFormat = $('#body_format').val() || '{{ defaultBodyFormat }}';
 
                     if(!('Content-type' in headers)) {
-                        headers['Content-type'] = 'application/'+bodyFormat;
+                        if (bodyFormat == 'form') {
+                            headers['Content-type'] = 'application/x-www-form-urlencoded';
+                        } else {
+                            headers['Content-type'] = 'application/json';
+                        }
                     }
 
                     var hasFileTypes = false;