# Accounts/me/billing throwing {"code":124,"message":"Invalid access token."} error **URL:** \ **Category:** API and Webhooks\ **Created:** [April 15, 2021, 8:55am UTC](https://devforum.zoom.us/t/accounts-me-billing-throwing-code-124-message-invalid-access-token-error/48021 "2021-04-15T08:55:09Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![internal](https://avatars.discourse-cdn.com/v4/letter/i/e495f1/32.png) [@internal](https://devforum.zoom.us/u/internal)\ **Post date:** [April 15, 2021, 8:55am UTC](https://devforum.zoom.us/t/accounts-me-billing-throwing-code-124-message-invalid-access-token-error/48021/1 "2021-04-15T08:55:09Z")
## Using this template helps us debug your issues more effectively 🙂 **Description** I have created an OAuth app from my Zoom Admin account, when I try to access accounts API receiving **{“code”:124,“message”:“Invalid access token.”}** error. Kindly help me on this, since we are in tight deadline for an internal project completion and this integration is a blocker for the same **Error** {“code”:124,“message”:“Invalid access token.”} **Unsupported authentication** error-result-guidance This request requires authentication but does not specify the type of authentication expected HTTP/1.1 401 **Next Steps** - This integration is using a connected system with OAuth 2.0 Authorization Code authentication configured. You may need to authorize access to the external system and retry the request. [Click here to authorize] - Review the external system’’s documentation to see if alternate methods of authentication are available - For internal systems, contact an administrator to see if alternate methods of authentication are available **Which App Type (OAuth / Chatbot / JWT / Webhook)?** OAuth **Which Endpoint/s?** [https://api.zoom.us/v2/accounts/me/billing](https://api.zoom.us/v2/accounts/me/billing) **How To Reproduce (If applicable)** Steps to reproduce the behavior: 1. Request URL / Headers (without credentials) / Body 2. See error **Screenshots (If applicable)** ![billing_error](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/e/1/e10d4f0fae98065d517316757363e08e2f524970.png) **Additional context** Add any other context about the problem here. ---
**Author:** ![MaxM](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/maxm/32/42303_2.png) [@MaxM](https://devforum.zoom.us/u/MaxM)\ **Post date:** [April 15, 2021, 11:50pm UTC](https://devforum.zoom.us/t/accounts-me-billing-throwing-code-124-message-invalid-access-token-error/48021/2 "2021-04-15T23:50:43Z")
Hey @internal, Thank you for reaching out to the Zoom Developer Forum. How are you providing your Access Token when you make this request? It looks like the tool you’re using may not be passing the OAuth Access Token correctly in the `Authorization` header. Thanks, Max ---
**Author:** ![internal](https://avatars.discourse-cdn.com/v4/letter/i/e495f1/32.png) [@internal](https://devforum.zoom.us/u/internal)\ **Post date:** [April 19, 2021, 5:37am UTC](https://devforum.zoom.us/t/accounts-me-billing-throwing-code-124-message-invalid-access-token-error/48021/3 "2021-04-19T05:37:16Z")
Thanks @MaxM, I am passing OAuth access token correctly in authorization header. Because the same api call works when I call below url, it is returning me successful response. [https://api.zoom.us/v2/users](https://api.zoom.us/v2/users) or [https://api.zoom.us/v2/users/me](https://api.zoom.us/v2/users/me) But when I try to change the URL to fetch my billing related or accounts related api, I am facing the above error. ---
**Author:** ![MaxM](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/maxm/32/42303_2.png) [@MaxM](https://devforum.zoom.us/u/MaxM)\ **Post date:** [April 19, 2021, 9:51pm UTC](https://devforum.zoom.us/t/accounts-me-billing-throwing-code-124-message-invalid-access-token-error/48021/4 "2021-04-19T21:51:15Z")
Hey @internal, Thank you for explaining! Please make sure that you have a Master Account and meet the other prerequisites in order to call this API: ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/8/5/859699e21918edd20a0bc6d8c2e2f234312e8adc.png) If that doesn’t help, try using the Account ID when calling the API and let me know if that changes the behavior you’re seeing. Thanks, Max ---
**Author:** ![internal](https://avatars.discourse-cdn.com/v4/letter/i/e495f1/32.png) [@internal](https://devforum.zoom.us/u/internal)\ **Post date:** [April 21, 2021, 10:56am UTC](https://devforum.zoom.us/t/accounts-me-billing-throwing-code-124-message-invalid-access-token-error/48021/5 "2021-04-21T10:56:24Z")
Thanks @MaxM for your reply. I have a higher paid account (Business) but how to verify whether master account option is enabled? Kindly help me on to check the same. Thanks, ---
**Author:** ![will.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/will.zoom/32/14417_2.png) [@will.zoom](https://devforum.zoom.us/u/will.zoom)\ **Post date:** [April 21, 2021, 6:55pm UTC](https://devforum.zoom.us/t/accounts-me-billing-throwing-code-124-message-invalid-access-token-error/48021/6 "2021-04-21T18:55:14Z")
Hey @internal, If your account is associated with the same email as your Dev Forum profile, I can confirm you don’t have a Master Account. You will need to reach out to [partner-success@zoom.us](mailto:partner-success@zoom.us) to have this enabled, in order to use this endpoint. Thanks, Will ---
**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\ **Post date:** [May 22, 2021, 4:55am UTC](https://devforum.zoom.us/t/accounts-me-billing-throwing-code-124-message-invalid-access-token-error/48021/7 "2021-05-22T04:55:35Z")
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