diff --git a/FreeRTOS-Plus/Source/Application-Protocols/network_transport/mbedtls_bio_freertos_plus_tcp.c b/FreeRTOS-Plus/Source/Application-Protocols/network_transport/mbedtls_bio_freertos_plus_tcp.c
index a7f2fa719f..9961f5231d 100644
--- a/FreeRTOS-Plus/Source/Application-Protocols/network_transport/mbedtls_bio_freertos_plus_tcp.c
+++ b/FreeRTOS-Plus/Source/Application-Protocols/network_transport/mbedtls_bio_freertos_plus_tcp.c
@@ -42,7 +42,7 @@
 #include "threading_alt.h"
 #include "mbedtls/entropy.h"
 #include "mbedtls/ssl.h"
-
+#include "mbedtls_bio_freertos_plus_tcp.h"
 /*-----------------------------------------------------------*/
 
 /**
diff --git a/FreeRTOS-Plus/Source/Application-Protocols/network_transport/mbedtls_bio_freertos_plus_tcp.h b/FreeRTOS-Plus/Source/Application-Protocols/network_transport/mbedtls_bio_freertos_plus_tcp.h
new file mode 100644
index 0000000000..93fa16095b
--- /dev/null
+++ b/FreeRTOS-Plus/Source/Application-Protocols/network_transport/mbedtls_bio_freertos_plus_tcp.h
@@ -0,0 +1,62 @@
+/*
+ * FreeRTOS V202112.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+ /**
+  * @file mbedtls_bio_freertos_plus_tcp.h
+  * @brief TLS transport interface header.
+  */
+
+#ifndef MBEDTLS_BIO_FREERTOS_PLUS_TCP
+#define MBEDTLS_BIO_FREERTOS_PLUS_TCP
+
+  /**
+   * @brief Sends data over FreeRTOS+TCP sockets.
+   *
+   * @param[in] ctx The network context containing the socket handle.
+   * @param[in] buf Buffer containing the bytes to send.
+   * @param[in] len Number of bytes to send from the buffer.
+   *
+   * @return Number of bytes sent on success; else a negative value.
+   */
+int mbedtls_platform_send(void* ctx,
+    const unsigned char* buf,
+    size_t len);
+
+ /**
+  * @brief Receives data from FreeRTOS+TCP socket.
+  *
+  * @param[in] ctx The network context containing the socket handle.
+  * @param[out] buf Buffer to receive bytes into.
+  * @param[in] len Number of bytes to receive from the network.
+  *
+  * @return Number of bytes received if successful; Negative value on error.
+  */
+int mbedtls_platform_recv(void* ctx,
+    unsigned char* buf,
+    size_t len);
+
+
+#endif MBEDTLS_BIO_FREERTOS_PLUS_TCP
\ No newline at end of file