diff --git a/src/main/resources/handlebars/typescript-angular/api.service.mustache b/src/main/resources/handlebars/typescript-angular/api.service.mustache
index 4a4742ff36..e25822b31f 100644
--- a/src/main/resources/handlebars/typescript-angular/api.service.mustache
+++ b/src/main/resources/handlebars/typescript-angular/api.service.mustache
@@ -320,9 +320,14 @@ export class {{classname}} {
 
 {{/hasFormParams}}
 {{#useHttpClient}}
-        return this.httpClient.{{httpMethod}}{{^isResponseFile}}<{{#returnType}}{{{returnType}}}{{#isResponseTypeFile}}|undefined{{/isResponseTypeFile}}{{/returnType}}{{^returnType}}any{{/returnType}}>{{/isResponseFile}}(`${this.basePath}{{{path}}}`,{{#hasBodyParam}}
-            {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}{{#hasFormParams}}convertFormParamsToString ? formParams.toString() : formParams{{/hasFormParams}}{{^hasFormParams}}null{{/hasFormParams}}{{/bodyParam}},{{/hasBodyParam}}
+        return this.httpClient.request{{^isResponseFile}}<{{#returnType}}{{{returnType}}}{{#isResponseTypeFile}}|undefined{{/isResponseTypeFile}}{{/returnType}}{{^returnType}}any{{/returnType}}>{{/isResponseFile}}({{httpMethod}},`${this.basePath}{{{path}}}`,
             {
+{{#bodyParam}}
+                body: {{paramName}}
+{{/bodyParam}}
+{{#hasFormParams}}
+                body: convertFormParamsToString ? formParams.toString() : formParams
+{{/hasFormParams}}
 {{#hasQueryParams}}
                 params: queryParameters,
 {{/hasQueryParams}}
diff --git a/src/main/resources/mustache/typescript-angular/api.service.mustache b/src/main/resources/mustache/typescript-angular/api.service.mustache
index 4a4742ff36..e25822b31f 100644
--- a/src/main/resources/mustache/typescript-angular/api.service.mustache
+++ b/src/main/resources/mustache/typescript-angular/api.service.mustache
@@ -320,9 +320,14 @@ export class {{classname}} {
 
 {{/hasFormParams}}
 {{#useHttpClient}}
-        return this.httpClient.{{httpMethod}}{{^isResponseFile}}<{{#returnType}}{{{returnType}}}{{#isResponseTypeFile}}|undefined{{/isResponseTypeFile}}{{/returnType}}{{^returnType}}any{{/returnType}}>{{/isResponseFile}}(`${this.basePath}{{{path}}}`,{{#hasBodyParam}}
-            {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}{{#hasFormParams}}convertFormParamsToString ? formParams.toString() : formParams{{/hasFormParams}}{{^hasFormParams}}null{{/hasFormParams}}{{/bodyParam}},{{/hasBodyParam}}
+        return this.httpClient.request{{^isResponseFile}}<{{#returnType}}{{{returnType}}}{{#isResponseTypeFile}}|undefined{{/isResponseTypeFile}}{{/returnType}}{{^returnType}}any{{/returnType}}>{{/isResponseFile}}({{httpMethod}},`${this.basePath}{{{path}}}`,
             {
+{{#bodyParam}}
+                body: {{paramName}}
+{{/bodyParam}}
+{{#hasFormParams}}
+                body: convertFormParamsToString ? formParams.toString() : formParams
+{{/hasFormParams}}
 {{#hasQueryParams}}
                 params: queryParameters,
 {{/hasQueryParams}}