diff --git a/src/templates/core/angular/getHeaders.hbs b/src/templates/core/angular/getHeaders.hbs
index 57495a578..820e7e8aa 100644
--- a/src/templates/core/angular/getHeaders.hbs
+++ b/src/templates/core/angular/getHeaders.hbs
@@ -26,7 +26,7 @@ export const getHeaders = (config: OpenAPIConfig, options: ApiRequestOptions): O
 				headers['Authorization'] = `Basic ${credentials}`;
 			}
 
-			if (options.body) {
+			if (options.body !== undefined) {
 				if (options.mediaType) {
 					headers['Content-Type'] = options.mediaType;
 				} else if (isBlob(options.body)) {
diff --git a/src/templates/core/axios/getHeaders.hbs b/src/templates/core/axios/getHeaders.hbs
index a05608266..23bfb2cf5 100644
--- a/src/templates/core/axios/getHeaders.hbs
+++ b/src/templates/core/axios/getHeaders.hbs
@@ -29,7 +29,7 @@ export const getHeaders = async (config: OpenAPIConfig, options: ApiRequestOptio
 		headers['Authorization'] = `Basic ${credentials}`;
 	}
 
-	if (options.body) {
+	if (options.body !== undefined) {
 		if (options.mediaType) {
 			headers['Content-Type'] = options.mediaType;
 		} else if (isBlob(options.body)) {
diff --git a/src/templates/core/fetch/getHeaders.hbs b/src/templates/core/fetch/getHeaders.hbs
index 331af20e3..5e373364f 100644
--- a/src/templates/core/fetch/getHeaders.hbs
+++ b/src/templates/core/fetch/getHeaders.hbs
@@ -26,7 +26,7 @@ export const getHeaders = async (config: OpenAPIConfig, options: ApiRequestOptio
 		headers['Authorization'] = `Basic ${credentials}`;
 	}
 
-	if (options.body) {
+	if (options.body !== undefined) {
 		if (options.mediaType) {
 			headers['Content-Type'] = options.mediaType;
 		} else if (isBlob(options.body)) {
diff --git a/src/templates/core/node/getHeaders.hbs b/src/templates/core/node/getHeaders.hbs
index a6f488618..f4f6a04c6 100644
--- a/src/templates/core/node/getHeaders.hbs
+++ b/src/templates/core/node/getHeaders.hbs
@@ -26,7 +26,7 @@ export const getHeaders = async (config: OpenAPIConfig, options: ApiRequestOptio
 		headers['Authorization'] = `Basic ${credentials}`;
 	}
 
-	if (options.body) {
+	if (options.body !== undefined) {
 		if (options.mediaType) {
 			headers['Content-Type'] = options.mediaType;
 		} else if (isBlob(options.body)) {
diff --git a/src/templates/core/xhr/getHeaders.hbs b/src/templates/core/xhr/getHeaders.hbs
index 331af20e3..5e373364f 100644
--- a/src/templates/core/xhr/getHeaders.hbs
+++ b/src/templates/core/xhr/getHeaders.hbs
@@ -26,7 +26,7 @@ export const getHeaders = async (config: OpenAPIConfig, options: ApiRequestOptio
 		headers['Authorization'] = `Basic ${credentials}`;
 	}
 
-	if (options.body) {
+	if (options.body !== undefined) {
 		if (options.mediaType) {
 			headers['Content-Type'] = options.mediaType;
 		} else if (isBlob(options.body)) {