# [Build Apps](https://dev.wix.com/docs/api/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps&format=markdown)

## [Develop Your App](https://dev.wix.com/docs/api/v1/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app&format=markdown)


### [Access](https://dev.wix.com/docs/api/v1/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess&format=markdown)


- [About Access](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fabout-access&format=markdown)

- [About Identities](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fabout-identities&format=markdown)

#### [Authentication](https://dev.wix.com/docs/api/v1/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthentication&format=markdown)


- [About Authentication](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthentication%2Fabout-authentication&format=markdown)

- [About OAuth](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthentication%2Fabout-oauth&format=markdown)

- [Authenticate Using OAuth](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthentication%2Fauthenticate-using-oauth&format=markdown)

- [Custom Authentication (legacy)](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthentication%2Fcustom-authentication-legacy&format=markdown)

- [Authenticate on Behalf of a Wix User](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthentication%2Fauthenticate-on-behalf-of-a-wix-user&format=markdown)

- [Verify Requests Received from Wix](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthentication%2Fverify-requests-received-from-wix&format=markdown)

- [Extract Identities From Backend Requests](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthentication%2Fextract-identities-from-backend-requests&format=markdown)


#### [Authorization](https://dev.wix.com/docs/api/v1/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthorization&format=markdown)


- [About Permissions](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthorization%2Fabout-permissions&format=markdown)

- [About Elevation](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthorization%2Fabout-elevation&format=markdown)

- [Configure Permissions for Your App](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fauthorization%2Fconfigure-permissions-for-your-app&format=markdown)


#### [App Instances](https://dev.wix.com/docs/api/v1/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fapp-instances&format=markdown)


- [About App Instances](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fapp-instances%2Fabout-app-instances&format=markdown)

- [Identify the App Instance in Frontend Environments](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fapp-instances%2Fidentify-the-app-instance-in-frontend-environments&format=markdown)

- [Identify the App Instance in Backend Environments](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fapp-instances%2Fidentify-the-app-instance-in-backend-environments&format=markdown)

- [Parse the App Instance Query Parameter](https://dev.wix.com/rawdocs/api/get-article-content?articleUrl=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fbuild-apps%2Fdevelop-your-app%2Faccess%2Fapp-instances%2Fparse-the-app-instance-query-parameter&format=markdown)