diff --git a/src/http/mimetype/MimeTypeInterface.php b/src/http/mimetype/MimeTypeInterface.php
new file mode 100644
index 0000000..d8576a9
--- /dev/null
+++ b/src/http/mimetype/MimeTypeInterface.php
@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * @author: Doug Wilbourne (dougwilbourne@gmail.com)
+ */
+
+declare(strict_types=1);
+
+namespace pvc\interfaces\http\mimetype;
+
+/**
+ * Class MimeTypeInterface
+ */
+interface MimeTypeInterface
+{
+    /**
+     * getMimeType
+     * @return string
+     * full name of the mime type, e.g. 'application/javascript'
+     */
+    public function getMimeType(): string;
+
+    /**
+     * getExtensions
+     * @return array<string>
+     * an array of the file extensions associated with this mime type
+     */
+    public function getExtensions(): array;
+}
diff --git a/src/http/mimetype/MimeTypesSrcInterface.php b/src/http/mimetype/MimeTypesSrcInterface.php
new file mode 100644
index 0000000..c592e01
--- /dev/null
+++ b/src/http/mimetype/MimeTypesSrcInterface.php
@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * @author: Doug Wilbourne (dougwilbourne@gmail.com)
+ */
+
+declare(strict_types=1);
+
+namespace pvc\interfaces\http\mimetype;
+
+/**
+ * Class MimeTypesSrcInterface
+ */
+interface MimeTypesSrcInterface
+{
+    /**
+     * getMimeTypes
+     * @return array<string, MimeTypeInterface>
+     * the key in the array is the name of the mime type
+     */
+    public function getMimeTypes(): array;
+}