# Authentication

**URL:** https://devforum.zoom.us/c/api-and-webhooks/authentication/48.md?page=10

[Latest](https://devforum.zoom.us/latest.md) · [Categories](https://devforum.zoom.us/categories.md) · [Tags](https://devforum.zoom.us/tags.md)

**Page:** 11

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## [Getting a bad request response when querying API when creating two Oauth connections on two different Oauth Apps for the same account](https://devforum.zoom.us/t/getting-a-bad-request-response-when-querying-api-when-creating-two-oauth-connections-on-two-different-oauth-apps-for-the-same-account/89313)

<div class="topic-metadata">

**Author:** [@bryan.hansen](https://devforum.zoom.us/u/bryan.hansen)\
**Replies:** 1\
**Last updated:** [May 31, 2023, 7:56pm UTC](https://devforum.zoom.us/t/getting-a-bad-request-response-when-querying-api-when-creating-two-oauth-connections-on-two-different-oauth-apps-for-the-same-account/89313 "2023-05-31T19:56:37Z")

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We have an integration set up using an OAuth app. Our app will sync webinars, participation, registration etc on the hour, every hour. When we create the integration the first time it will work just fine. When we create …

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## [Created a OAuth App for FreshService. Need assistance determining if working or not. Is there a way to pull a log?](https://devforum.zoom.us/t/created-a-oauth-app-for-freshservice-need-assistance-determining-if-working-or-not-is-there-a-way-to-pull-a-log/89051)

<div class="topic-metadata">

**Author:** [@carlo.scarpa](https://devforum.zoom.us/u/carlo.scarpa)\
**Replies:** 3\
**Last updated:** [May 25, 2023, 7:07pm UTC](https://devforum.zoom.us/t/created-a-oauth-app-for-freshservice-need-assistance-determining-if-working-or-not-is-there-a-way-to-pull-a-log/89051 "2023-05-25T19:07:04Z")

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I am wanted to verify if a FreshService MarketPlace application that was previous setup for JWT and is now migrated over to OAuth is authenticating and passing data between each other by some visibility shown by a log if…

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## [Request for Assistance with Server-to-Server OAuth App Activation](https://devforum.zoom.us/t/request-for-assistance-with-server-to-server-oauth-app-activation/89012)

<div class="topic-metadata">

**Author:** [@PabloMartinez](https://devforum.zoom.us/u/PabloMartinez)\
**Replies:** 1\
**Last updated:** [May 25, 2023, 1:47pm UTC](https://devforum.zoom.us/t/request-for-assistance-with-server-to-server-oauth-app-activation/89012 "2023-05-25T13:47:03Z")

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We are reaching out for assistance with our Server-to-Server OAuth app activation. Our goal is to migrate from JWT to Server-to-Server OAuth in order to fetch and register users using webinar API on our application. We f…

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## [Limitation on number of Server-to-Server OAuth App](https://devforum.zoom.us/t/limitation-on-number-of-server-to-server-oauth-app/88998)

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**Author:** [@yuyaito](https://devforum.zoom.us/u/yuyaito)\
**Replies:** 0\
**Last updated:** [May 24, 2023, 10:58pm UTC](https://devforum.zoom.us/t/limitation-on-number-of-server-to-server-oauth-app/88998 "2023-05-24T22:58:31Z")

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Description: I was creating Server-to-Server OAuth apps for several purpose. After 10 or more the apps in our tenant, I cannot new one any longer and found “oauth\_exceed\_registration\_limit”. How can I get new Server-to…

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## [Server to server oauth - Invalid access token](https://devforum.zoom.us/t/server-to-server-oauth-invalid-access-token/88960)

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**Author:** [@adpv](https://devforum.zoom.us/u/adpv)\
**Replies:** 0\
**Last updated:** [May 24, 2023, 12:10pm UTC](https://devforum.zoom.us/t/server-to-server-oauth-invalid-access-token/88960 "2023-05-24T12:10:28Z")

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We have upgraded our API request from JWT to Server to Server Oauth and since then when ever there is high concurrency all the API requests started throwing “Invalid Access Token” error. We have a large amount of request…

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## [Server-to-Server OAuth: annoying token-invalidation](https://devforum.zoom.us/t/server-to-server-oauth-annoying-token-invalidation/72070)

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**Author:** [@pvdh](https://devforum.zoom.us/u/pvdh)\
**Replies:** 15\
**Last updated:** [May 19, 2023, 12:27pm UTC](https://devforum.zoom.us/t/server-to-server-oauth-annoying-token-invalidation/72070 "2023-05-19T12:27:26Z")

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From my perspective, JTW-Auth has always been a very bad idea, since you could only have one JWT-app and no support for limiting the scope. So I really, really appreciate the new option to have account\_credentials for di…

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## [Request to increase OAuth token\_index tolerance](https://devforum.zoom.us/t/request-to-increase-oauth-token-index-tolerance/88278)

<div class="topic-metadata">

**Author:** [@jlsingleton](https://devforum.zoom.us/u/jlsingleton)\
**Replies:** 3\
**Last updated:** [May 19, 2023, 12:24pm UTC](https://devforum.zoom.us/t/request-to-increase-oauth-token-index-tolerance/88278 "2023-05-19T12:24:20Z")

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Hi, I would like to request an increase to our OAuth token index tolerance to 2 for a server-to-server OAuth app called “Virtual Scheduler” (just created today on our account). The email that I created this account with …

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## [Get new access token problem with postman](https://devforum.zoom.us/t/get-new-access-token-problem-with-postman/87979)

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**Author:** [@guncer1](https://devforum.zoom.us/u/guncer1)\
**Replies:** 5\
**Last updated:** [May 18, 2023, 3:57pm UTC](https://devforum.zoom.us/t/get-new-access-token-problem-with-postman/87979 "2023-05-18T15:57:36Z")

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Description \*While attempting to generate an OAuth access token with postman , I’m getting the below error message despite being an owner on the Zoom account. No other details of below error. what is the problem ? could…

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## [Advice about choosing OAuth or s2s-OAuth](https://devforum.zoom.us/t/advice-about-choosing-oauth-or-s2s-oauth/88521)

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**Author:** [@communication1](https://devforum.zoom.us/u/communication1)\
**Replies:** 2\
**Last updated:** [May 18, 2023, 7:57am UTC](https://devforum.zoom.us/t/advice-about-choosing-oauth-or-s2s-oauth/88521 "2023-05-18T07:57:42Z")

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Hi all, well i’m not a pro developer, i need to rebuild the connection between my website and zoom, and i would like to have some advice about choosing between the two options, in my specific context. What i need is pu…

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## [\[HELP\] Server-to-Server oAuth Request](https://devforum.zoom.us/t/help-server-to-server-oauth-request/88564)

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**Author:** [@tradersuniversity](https://devforum.zoom.us/u/tradersuniversity)\
**Replies:** 1\
**Last updated:** [May 17, 2023, 4:39pm UTC](https://devforum.zoom.us/t/help-server-to-server-oauth-request/88564 "2023-05-17T16:39:12Z")

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Hi, I am trying to request an access token using Server-to-Server oAuth via PHP. This is my code: // The API endpoint for obtaining an access token $token\_endpoint = ‘/oauth/token’; // The scope of the access token…

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## [When Adding a new Oauth App, Zoom tries to re-direct to localhost](https://devforum.zoom.us/t/when-adding-a-new-oauth-app-zoom-tries-to-re-direct-to-localhost/88193)

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**Author:** [@accesstelehealth](https://devforum.zoom.us/u/accesstelehealth)\
**Replies:** 3\
**Last updated:** [May 16, 2023, 2:00pm UTC](https://devforum.zoom.us/t/when-adding-a-new-oauth-app-zoom-tries-to-re-direct-to-localhost/88193 "2023-05-16T14:00:07Z")

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When I attempt to add a new server-to-server Oauth application (using the blue ‘Add’ button under the ‘Add your app’ heading on the ‘Activcation’ step) It will take me to https://zoom.us/oauth/authorize?response\_type=cod…

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## [API - Why does call to oauth endpoint need the redirect URI?](https://devforum.zoom.us/t/api-why-does-call-to-oauth-endpoint-need-the-redirect-uri/88352)

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**Author:** [@captainben99](https://devforum.zoom.us/u/captainben99)\
**Replies:** 0\
**Last updated:** [May 13, 2023, 6:28pm UTC](https://devforum.zoom.us/t/api-why-does-call-to-oauth-endpoint-need-the-redirect-uri/88352 "2023-05-13T18:28:36Z")

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Why does a POST call (from my code) to the Oauth endpoint to get an access token require as a parameter the Redirect URI? Is the endpoint called all the time when the endpoint is invoked? Whenn I call the endpoint (usi…

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## [Invalid redirect url error dev mode : ok / production mode : error](https://devforum.zoom.us/t/invalid-redirect-url-error-dev-mode-ok-production-mode-error/83246)

<div class="topic-metadata">

**Author:** [@narae.kang](https://devforum.zoom.us/u/narae.kang)\
**Replies:** 2\
**Last updated:** [May 12, 2023, 6:07am UTC](https://devforum.zoom.us/t/invalid-redirect-url-error-dev-mode-ok-production-mode-error/83246 "2023-05-12T06:07:59Z")

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API Endpoint(s) and/or Zoom API Event(s) Description We created an App called VODABI and completed the posting. Then, after making some modifications and completing the test in development mode, I changed the Client …

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## [Auth error code: 500, status: 500, error: "Internal Server Error",…](https://devforum.zoom.us/t/auth-error-code-500-status-500-error-internal-server-error/78064)

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**Author:** [@sumitctm](https://devforum.zoom.us/u/sumitctm)\
**Replies:** 3\
**Last updated:** [May 12, 2023, 6:04am UTC](https://devforum.zoom.us/t/auth-error-code-500-status-500-error-internal-server-error/78064 "2023-05-12T06:04:40Z")

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Trying to connect Zoom from UiPath cloud Integration service but unable to do so. Could you please look into it and do the needful? Getting Auth error {code: 500, status: 500, error: “Internal Server Error”,…} code: 5…

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## [Syncing the Zoom with Salesforce calendar](https://devforum.zoom.us/t/syncing-the-zoom-with-salesforce-calendar/88066)

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**Author:** [@sudarshan.bhandarkar](https://devforum.zoom.us/u/sudarshan.bhandarkar)\
**Replies:** 2\
**Last updated:** [May 11, 2023, 4:12am UTC](https://devforum.zoom.us/t/syncing-the-zoom-with-salesforce-calendar/88066 "2023-05-11T04:12:01Z")

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We are able to create a meeting from Salesforce, However, Invites not receiving zoom Invitation emails, and not updating their calendar as well, can I get some help

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## [Azure HTTP Function - Can't Validate!](https://devforum.zoom.us/t/azure-http-function-cant-validate/88078)

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**Author:** [@stephen.schuster](https://devforum.zoom.us/u/stephen.schuster)\
**Replies:** 2\
**Last updated:** [May 10, 2023, 8:43pm UTC](https://devforum.zoom.us/t/azure-http-function-cant-validate/88078 "2023-05-10T20:43:28Z")

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So I have done it all. I created a new App as well just to be safe. This is a simply WebHook for Presence. The Azure Function works and the logs verify it is getting hit. I can see the payload and the header. My code is…

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## [High failure detected on published Zoom integration](https://devforum.zoom.us/t/high-failure-detected-on-published-zoom-integration/87149)

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**Author:** [@developer-bildhive](https://devforum.zoom.us/u/developer-bildhive)\
**Replies:** 5\
**Last updated:** [May 10, 2023, 7:23pm UTC](https://devforum.zoom.us/t/high-failure-detected-on-published-zoom-integration/87149 "2023-05-10T19:23:00Z")

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We got informed by the Zoom team, that our app is seeing high failure rate for the https://zoom.us/oauth/token api. We are working with Nylas to integrate the Zoom on our app, and in that way we are not directly communi…

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## [OAuth Error (Oops, we were unable to complete your request (4,700)) for some users alone](https://devforum.zoom.us/t/oauth-error-oops-we-were-unable-to-complete-your-request-4-700-for-some-users-alone/87532)

<div class="topic-metadata">

**Author:** [@sid](https://devforum.zoom.us/u/sid)\
**Replies:** 4\
**Last updated:** [May 9, 2023, 12:14am UTC](https://devforum.zoom.us/t/oauth-error-oops-we-were-unable-to-complete-your-request-4-700-for-some-users-alone/87532 "2023-05-09T00:14:59Z")

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We have a zoom app. Recently, some of our users were unable to authorise this app and got the following error during the OAuth flow: “Oops! We were unable to complete your request. Please try again. (4,700)” After retr…

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## [Single API Token for many accounts](https://devforum.zoom.us/t/single-api-token-for-many-accounts/87547)

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**Author:** [@teachmeskillszoomtes](https://devforum.zoom.us/u/teachmeskillszoomtes)\
**Replies:** 5\
**Last updated:** [May 8, 2023, 11:59pm UTC](https://devforum.zoom.us/t/single-api-token-for-many-accounts/87547 "2023-05-08T23:59:59Z")

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Good day! I’m a developer who would like to use Zoom’s API to download Cloud Recordings. The situation is as follows, I have several Zoom accounts independent of each other from where I need to download video recordings…

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## [Non backwards compatibility of OAuth Authorization Code token for Chatbot API](https://devforum.zoom.us/t/non-backwards-compatibility-of-oauth-authorization-code-token-for-chatbot-api/88038)

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**Author:** [@igor.torq](https://devforum.zoom.us/u/igor.torq)\
**Replies:** 1\
**Last updated:** [May 8, 2023, 11:14pm UTC](https://devforum.zoom.us/t/non-backwards-compatibility-of-oauth-authorization-code-token-for-chatbot-api/88038 "2023-05-08T23:14:24Z")

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API Endpoint(s) and/or Zoom API Event(s) Chatbot Send Message API Get User’s Profile Description Our app generated an OAuth’s Authorization Code flow token which served us well for all of Zoom’s APIs, including send…

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## [Zoom Server-to-Server OAuth in multi-threaded environment](https://devforum.zoom.us/t/zoom-server-to-server-oauth-in-multi-threaded-environment/87982)

<div class="topic-metadata">

**Author:** [@connectivity](https://devforum.zoom.us/u/connectivity)\
**Replies:** 0\
**Last updated:** [May 8, 2023, 7:43am UTC](https://devforum.zoom.us/t/zoom-server-to-server-oauth-in-multi-threaded-environment/87982 "2023-05-08T07:43:09Z")

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Description I am using zoom server-to-server OAuth with grant type account\_credentials to consume Zoom REST API’s. I have noticed that the existing access token immediately invalidates as soon as we request a new acces…

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## [Need additional token\_index values added to apps](https://devforum.zoom.us/t/need-additional-token-index-values-added-to-apps/87904)

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**Author:** [@iechodev](https://devforum.zoom.us/u/iechodev)\
**Replies:** 3\
**Last updated:** [May 5, 2023, 5:04pm UTC](https://devforum.zoom.us/t/need-additional-token-index-values-added-to-apps/87904 "2023-05-05T17:04:05Z")

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We have created two OAuth apps. Currently, we can request an OAuthToken with token\_index value \[0\], so there is only one valid OAuth Token at a time for this app. We have a need for two additional token\_index values \[0…

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## [400 request code errors during OAuth flow](https://devforum.zoom.us/t/400-request-code-errors-during-oauth-flow/85999)

<div class="topic-metadata">

**Author:** [@bennett.goh](https://devforum.zoom.us/u/bennett.goh)\
**Replies:** 3\
**Last updated:** [May 3, 2023, 6:54pm UTC](https://devforum.zoom.us/t/400-request-code-errors-during-oauth-flow/85999 "2023-05-03T18:54:07Z")

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Format Your New Topic as Follows: POST https://zoom.us/oauth/token Description Received notification from Zoom Marketplace support that our App has higher rates of 400 errors and we need help understanding why. On our …

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## [Not being able to invoke zoom room api using oauth authorization](https://devforum.zoom.us/t/not-being-able-to-invoke-zoom-room-api-using-oauth-authorization/69590)

<div class="topic-metadata">

**Author:** [@sharwan](https://devforum.zoom.us/u/sharwan)\
**Replies:** 4\
**Last updated:** [May 3, 2023, 6:50pm UTC](https://devforum.zoom.us/t/not-being-able-to-invoke-zoom-room-api-using-oauth-authorization/69590 "2023-05-03T18:50:14Z")

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While using OAuth Authorization i am not able to invoke zoom room api’s.The Api i am trying to invoke is ‘https://api.zoom.us/v2/rooms/zrlist’ Getting error message as api does not support OAuth for authorization. "Thi…

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## [4700 Invalid redirect for whitelisted URL](https://devforum.zoom.us/t/4700-invalid-redirect-for-whitelisted-url/85450)

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**Author:** [@ssakamoto](https://devforum.zoom.us/u/ssakamoto)\
**Replies:** 7\
**Last updated:** [May 3, 2023, 6:04pm UTC](https://devforum.zoom.us/t/4700-invalid-redirect-for-whitelisted-url/85450 "2023-05-03T18:04:15Z")

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Description Our staging environment no longer works to authorize zoom for our application. Prior to changing our staging url, the zoom integration was working. We updated our staging url and started getting Invalid re…

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## [Invalid Grant Type for Oauth app using PHP](https://devforum.zoom.us/t/invalid-grant-type-for-oauth-app-using-php/87191)

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**Author:** [@alanj](https://devforum.zoom.us/u/alanj)\
**Replies:** 24\
**Last updated:** [May 3, 2023, 4:50pm UTC](https://devforum.zoom.us/t/invalid-grant-type-for-oauth-app-using-php/87191 "2023-05-03T16:50:56Z")

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Following the documentation provided here Step 1, I am acquiring an authorization code from authorize endpoint. On step 2 I am hitting this endpoint: https://zoom.us/oauth/token and passing the value from step 1 to the…

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## [Scope missing when authenticating chatbot app](https://devforum.zoom.us/t/scope-missing-when-authenticating-chatbot-app/87506)

<div class="topic-metadata">

**Author:** [@conor.mccarthy](https://devforum.zoom.us/u/conor.mccarthy)\
**Replies:** 5\
**Last updated:** [May 2, 2023, 3:24pm UTC](https://devforum.zoom.us/t/scope-missing-when-authenticating-chatbot-app/87506 "2023-05-02T15:24:42Z")

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API Endpoint(s) and/or Zoom API Event(s) I am attempting to authenticate to my chatbot app as described here: https://developers.zoom.us/docs/team-chat-apps/installation-and-authentication/#requesting-a-chatbot-token D…

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## [Trying to implement zoom-oauth](https://devforum.zoom.us/t/trying-to-implement-zoom-oauth/87645)

<div class="topic-metadata">

**Author:** [@ajeet](https://devforum.zoom.us/u/ajeet)\
**Replies:** 1\
**Last updated:** [May 1, 2023, 3:54pm UTC](https://devforum.zoom.us/t/trying-to-implement-zoom-oauth/87645 "2023-05-01T15:54:05Z")

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Step 1, I am acquiring an authorization code from authorize endpoint. On step 2 I am hitting this endpoint: https://zoom.us/oauth/token and passing the value from step 1 to the code field. I am passing “grant\_type” as …

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## [How to use zak token join meeting](https://devforum.zoom.us/t/how-to-use-zak-token-join-meeting/86724)

<div class="topic-metadata">

**Author:** [@492465798](https://devforum.zoom.us/u/492465798)\
**Replies:** 1\
**Last updated:** [April 27, 2023, 8:05pm UTC](https://devforum.zoom.us/t/how-to-use-zak-token-join-meeting/86724 "2023-04-27T20:05:49Z")

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I created a meeting and the web side uses the ack token to join the meeting。 ZoomMtg.join({ sdkKey: sdkKey, signature: signature, // role in SDK Signature needs to be 1 meetingNumber: meetingNumber, passWord: pa…

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## [JWT apps to be deprecated in favor of Server-to-Server OAuth](https://devforum.zoom.us/t/jwt-apps-to-be-deprecated-in-favor-of-server-to-server-oauth/69319)

<div class="topic-metadata">

**Author:** [@tedmyoung](https://devforum.zoom.us/u/tedmyoung)\
**Replies:** 45\
**Last updated:** [April 25, 2023, 6:16pm UTC](https://devforum.zoom.us/t/jwt-apps-to-be-deprecated-in-favor-of-server-to-server-oauth/69319 "2023-04-25T18:16:38Z")

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Today, I got an email from Zoom that included this: JWT apps to be deprecated June 2023 The JWT app type will be completely deprecated as of June 2023. New and current users have 12 months to migrate their JWT based s…

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