diff --git a/src/endpoints/ContactTags/Client.ts b/src/endpoints/ContactTags/Client.ts
index 00e4fac6..bbde9464 100644
--- a/src/endpoints/ContactTags/Client.ts
+++ b/src/endpoints/ContactTags/Client.ts
@@ -115,8 +115,8 @@ export function createClient(api: DeferredJobsApiClient) {
     }
 
     async function doDeleteMany(ids: ContactTag['id'][]) {
-        const data = await api.delete<RawDeleteResponse>(routing.contactTagsUrl, {
-            query: {
+        const data = await api.post<RawDeleteResponse>(routing.contactTagsDeleteManyUrl, {
+            payload: {
                 id: ids,
             },
         });
@@ -124,8 +124,8 @@ export function createClient(api: DeferredJobsApiClient) {
     }
 
     async function doDeleteUnused() {
-        const data = await api.delete<RawDeleteResponse>(routing.contactTagsUrl, {
-            query: {
+        const data = await api.post<RawDeleteResponse>(routing.contactTagsDeleteManyUrl, {
+            payload: {
                 filter: 'unused',
             },
         });
diff --git a/src/routing.ts b/src/routing.ts
index ef94db8c..554b28cb 100644
--- a/src/routing.ts
+++ b/src/routing.ts
@@ -7,6 +7,7 @@ export const routing = {
     contactsUrl: '/v2/contacts',
     contactTagGroupsUrl: '/v2/contact-tag-groups',
     contactTagsUrl: '/v2/contact-tags',
+    contactTagsDeleteManyUrl: '/v2/contact-tags/delete-many',
     coverageUrl: '/v2/coverage',
     coverageIntegrationsUrl: '/v2/coverage/integrations',
     jobsUrl: '/v2/jobs',