diff --git a/src/templates/core/axios/getHeaders.hbs b/src/templates/core/axios/getHeaders.hbs
index 8977a5f1..e8a4afa3 100644
--- a/src/templates/core/axios/getHeaders.hbs
+++ b/src/templates/core/axios/getHeaders.hbs
@@ -26,5 +26,17 @@ const getHeaders = async (config: OpenAPIConfig, options: ApiRequestOptions, for
 		headers['Authorization'] = `Basic ${credentials}`;
 	}
 
+	if (options.body) {
+		if (options.mediaType) {
+			headers['Content-Type'] = options.mediaType;
+		} else if (isBlob(options.body)) {
+			headers['Content-Type'] = options.body.type || 'application/octet-stream';
+		} else if (isString(options.body)) {
+			headers['Content-Type'] = 'text/plain';
+		} else if (!isFormData(options.body)) {
+			headers['Content-Type'] = 'application/json';
+		}
+	}
+
 	return headers;
 };
diff --git a/src/templates/core/axios/request.hbs b/src/templates/core/axios/request.hbs
index 439aebe8..8ea274f2 100644
--- a/src/templates/core/axios/request.hbs
+++ b/src/templates/core/axios/request.hbs
@@ -22,6 +22,9 @@ import type { OpenAPIConfig } from './OpenAPI';
 {{>functions/isBlob}}
 
 
+{{>functions/isFormData}}
+
+
 {{>functions/isSuccess}}