# Server to server aouth - unsupported grant type - in PHP **URL:** \ **Category:** Meetings\ **Tags:** api\ **Created:** [August 31, 2023, 9:04pm UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299 "2023-08-31T21:04:37Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![gestionetmultimedia](https://avatars.discourse-cdn.com/v4/letter/g/f14d63/32.png) [@gestionetmultimedia](https://devforum.zoom.us/u/gestionetmultimedia)\ **Post date:** [August 31, 2023, 9:04pm UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/1 "2023-08-31T21:04:37Z")
I have made a server to server token request using postman and it worked properly. ![postman](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/0/c/0c1cc469da68e7d9b080e3a24f6d79022073ea64.png) When I want to do it using an endpoint of my API, I get the following error. ![endPointApi](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/5/c/5c04a6191b0ef9b0947a037caf9b3d47ac6bda90.png) code used is ![codigoEndPoint](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/8/2/82e10118d217e95330c4618694e86f792bf56033.png) ---
**Author:** ![gestionetmultimedia](https://avatars.discourse-cdn.com/v4/letter/g/f14d63/32.png) [@gestionetmultimedia](https://devforum.zoom.us/u/gestionetmultimedia)\ **Post date:** [September 1, 2023, 3:04pm UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/2 "2023-09-01T15:04:21Z")
Resuelto: cambie ![solución](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/4/0/405d446fd7da9a75a7174dc35bd46900382b138d.png) ---
**Author:** ![chunsiong.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/chunsiong.zoom/32/35488_2.png) [@chunsiong.zoom](https://devforum.zoom.us/u/chunsiong.zoom)\ **Post date:** [September 4, 2023, 7:22am UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/3 "2023-09-04T07:22:52Z")
@gestionetmultimedia , This error does not appear to be related to Zoom API and SDK. Nonetheless, it seems that it should be query string instead of form params [https://docs.guzzlephp.org/en/stable/quickstart.html#query-string-parameters](https://docs.guzzlephp.org/en/stable/quickstart.html#query-string-parameters) ---
**Author:** ![gestionetmultimedia](https://avatars.discourse-cdn.com/v4/letter/g/f14d63/32.png) [@gestionetmultimedia](https://devforum.zoom.us/u/gestionetmultimedia)\ **Post date:** [September 5, 2023, 12:49pm UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/4 "2023-09-05T12:49:22Z")
I tried it as a chain and the same error still occurs ![cambioError](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/7/6/7649de465b0a70d3b0eeba56ab01732a47cf2bf5.png) I did it from postman and it works ![cambioPostman](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/f/9/f9ffc60ca05f75a7443e59de2a8cf16b25b5d9df.png) I am confused ---
**Author:** ![chunsiong.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/chunsiong.zoom/32/35488_2.png) [@chunsiong.zoom](https://devforum.zoom.us/u/chunsiong.zoom)\ **Post date:** [September 5, 2023, 1:06pm UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/5 "2023-09-05T13:06:07Z")
@gestionetmultimedia , To troubleshoot this, I will follow the specs of the documentation for guzzle. - Instead of typing in the entire URL `/oauth/token?grant_type=account_credentials&accountid` with string concatenation, try using the methods provided. - Follow single quote for headers, authorization and basic [https://docs.guzzlephp.org/en/stable/quickstart.html#query-string-parameters](https://docs.guzzlephp.org/en/stable/quickstart.html#query-string-parameters) ---
**Author:** ![gestionetmultimedia](https://avatars.discourse-cdn.com/v4/letter/g/f14d63/32.png) [@gestionetmultimedia](https://devforum.zoom.us/u/gestionetmultimedia)\ **Post date:** [September 6, 2023, 6:17pm UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/7 "2023-09-06T18:17:39Z")
![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/3/a/3a0c993058a9c62f6aaa4ab2349381c7cc1a8931.png) error ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/0/1/01cf514ceaaab89124f51571248b41cdc72e4865.png) ---
**Author:** ![chunsiong.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/chunsiong.zoom/32/35488_2.png) [@chunsiong.zoom](https://devforum.zoom.us/u/chunsiong.zoom)\ **Post date:** [September 7, 2023, 12:51am UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/8 "2023-09-07T00:51:07Z")
@gestionetmultimedia , account\_id is not in forms, it is part of query string in the url ---
**Author:** ![gestionetmultimedia](https://avatars.discourse-cdn.com/v4/letter/g/f14d63/32.png) [@gestionetmultimedia](https://devforum.zoom.us/u/gestionetmultimedia)\ **Post date:** [September 7, 2023, 3:52pm UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/9 "2023-09-07T15:52:39Z")
![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/f/3/f3eafa351c4dd4198a6474b11f22ed4676e10faa.png) error ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/c/c/cc3f697ade2349ff47018e601b6a897a1788cccc.png) ---
**Author:** ![gestionetmultimedia](https://avatars.discourse-cdn.com/v4/letter/g/f14d63/32.png) [@gestionetmultimedia](https://devforum.zoom.us/u/gestionetmultimedia)\ **Post date:** [September 7, 2023, 4:10pm UTC](https://devforum.zoom.us/t/server-to-server-aouth-unsupported-grant-type-in-php/94299/10 "2023-09-07T16:10:37Z")
it worked ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/5/f/5f1ff076e332ead3ff642ee17d7cead84d45975d.png) thank you ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/5/5/553bf3e2ef15ccab65285ea087f92e529c3a1ac7.png)