diff --git a/core/oauth/package.json b/core/oauth/package.json
index d73aa2e3..04dc507d 100644
--- a/core/oauth/package.json
+++ b/core/oauth/package.json
@@ -25,11 +25,13 @@
     "dotenv": "^16.4.5",
     "express": "^4.19.2",
     "handlebars": "^4.7.8",
-    "jsonwebtoken": "^9.0.2"
+    "jsonwebtoken": "^9.0.2",
+    "qs": "^6.13.0"
   },
   "devDependencies": {
     "@types/express": "^4.17.21",
     "@types/jsonwebtoken": "^9.0.6",
+    "@types/qs": "^6.9.17",
     "@typescript-eslint/eslint-plugin": "^5.31.0",
     "@typescript-eslint/parser": "^5.31.0",
     "eslint": "^8.20.0",
diff --git a/core/oauth/src/connections/jira/init.ts b/core/oauth/src/connections/jira/init.ts
index 94a9532d..51b949d9 100644
--- a/core/oauth/src/connections/jira/init.ts
+++ b/core/oauth/src/connections/jira/init.ts
@@ -12,7 +12,10 @@ export const init = async ({ body }: DataObject): Promise<OAuthResponse> => {
         const response = await axios({
             url: 'https://auth.atlassian.com/oauth/token',
             method: 'POST',
-            params: {
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            data: {
                 grant_type: 'authorization_code',
                 code,
                 client_id,
diff --git a/core/oauth/src/connections/jira/refresh.ts b/core/oauth/src/connections/jira/refresh.ts
index aeea41e4..7116e4f0 100644
--- a/core/oauth/src/connections/jira/refresh.ts
+++ b/core/oauth/src/connections/jira/refresh.ts
@@ -13,7 +13,10 @@ export const refresh = async ({ body }: DataObject): Promise<OAuthResponse> => {
         const response = await axios({
             url: 'https://auth.atlassian.com/oauth/token',
             method: 'POST',
-            params: {
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            data: {
                 grant_type: 'refresh_token',
                 refresh_token,
                 client_id,
diff --git a/core/oauth/src/connections/zoho/init.ts b/core/oauth/src/connections/zoho/init.ts
index 638edac8..fd94175b 100644
--- a/core/oauth/src/connections/zoho/init.ts
+++ b/core/oauth/src/connections/zoho/init.ts
@@ -1,4 +1,5 @@
 import axios from 'axios';
+import qs from 'qs';
 import { DataObject, OAuthResponse } from '../../lib/types';
 
 export const init = async ({ body }: DataObject): Promise<OAuthResponse> => {
@@ -14,11 +15,22 @@ export const init = async ({ body }: DataObject): Promise<OAuthResponse> => {
             additionalData['accounts-server'],
         );
 
-        let url = `${ZOHO_ACCOUNTS_DOMAIN}/oauth/v2/token?grant_type=authorization_code`;
-        url += `&client_id=${clientId}&client_secret=${clientSecret}`;
-        url += `&code=${code}&redirect_uri=${redirectUri}`;
+        const requestBody = {
+            grant_type: 'authorization_code',
+            client_id: clientId,
+            client_secret: clientSecret,
+            code,
+            redirect_uri: redirectUri,
+        };
 
-        const response = await axios.post(url);
+        const response = await axios({
+            url: `${ZOHO_ACCOUNTS_DOMAIN}/oauth/v2/token`,
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded',
+            },
+            data: qs.stringify(requestBody),
+        });
 
         const {
             data: {
diff --git a/core/oauth/src/connections/zoho/refresh.ts b/core/oauth/src/connections/zoho/refresh.ts
index 899288a7..dbfec04b 100644
--- a/core/oauth/src/connections/zoho/refresh.ts
+++ b/core/oauth/src/connections/zoho/refresh.ts
@@ -1,4 +1,5 @@
 import axios from 'axios';
+import qs from 'qs';
 import { DataObject, OAuthResponse } from '../../lib/types';
 
 export const refresh = async ({ body }: DataObject): Promise<OAuthResponse> => {
@@ -13,10 +14,21 @@ export const refresh = async ({ body }: DataObject): Promise<OAuthResponse> => {
         let refreshToken = refresh_token;
         const ZOHO_ACCOUNTS_DOMAIN = meta.ZOHO_ACCOUNTS_DOMAIN;
 
-        let url = `${ZOHO_ACCOUNTS_DOMAIN}/oauth/v2/token?grant_type=refresh_token`;
-        url += `&client_id=${client_id}&client_secret=${client_secret}&refresh_token=${refresh_token}`;
+        const requestBody = {
+            grant_type: 'refresh_token',
+            client_id,
+            client_secret,
+            refresh_token,
+        };
 
-        const response = await axios.post(url);
+        const response = await axios({
+            url: `${ZOHO_ACCOUNTS_DOMAIN}/oauth/v2/token`,
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded',
+            },
+            data: qs.stringify(requestBody),
+        });
 
         const {
             data: {