# \#authentication-api **URL:** https://community.auth0.com/tag/authentication-api/1.md [Latest](https://community.auth0.com/latest.md) · [Categories](https://community.auth0.com/categories.md) · [Tags](https://community.auth0.com/tags.md) --- ## [Generate access tokens for organization members (automated testing)](https://community.auth0.com/t/generate-access-tokens-for-organization-members-automated-testing/124398)
**Author:** [@amngs](https://community.auth0.com/u/amngs)\ **Replies:** 6\ **Last updated:** [February 25, 2026, 6:01pm UTC](https://community.auth0.com/t/generate-access-tokens-for-organization-members-automated-testing/124398 "2026-02-25T18:01:36Z")
Feature: The ability to use the Authentication API to generate an access token for users who are team members of organizations Description: Our QA team is automating the testing of our APIs. Our application users are … --- ## [Trigger MFA during user session with nextjs-auth0](https://community.auth0.com/t/trigger-mfa-during-user-session-with-nextjs-auth0/89767)
**Author:** [@margarza](https://community.auth0.com/u/margarza)\ **Replies:** 7\ **Last updated:** [September 14, 2022, 6:40am UTC](https://community.auth0.com/t/trigger-mfa-during-user-session-with-nextjs-auth0/89767 "2022-09-14T06:40:48Z")
I have this feature I want to implement in my NextJS app, using the nextjs-auth0 sdk: When a user logs in, I don’t want the MFA to be triggered immediately after the successful login. When the user accesses certain pag… --- ## [Documents missing for authentication endpoint](https://community.auth0.com/t/documents-missing-for-authentication-endpoint/88835)
**Author:** [@rajivk](https://community.auth0.com/u/rajivk)\ **Replies:** 4\ **Last updated:** [August 27, 2022, 5:28pm UTC](https://community.auth0.com/t/documents-missing-for-authentication-endpoint/88835 "2022-08-27T17:28:07Z")
I have been exploring rate limits for the endpoints and this page lists a lot of authentication endpoints. Documentation for some of the endpoints are listed here but i can not find documentation for all of them. is ther… --- ## [Get the OTP using passwordless multiple times with same email domain](https://community.auth0.com/t/get-the-otp-using-passwordless-multiple-times-with-same-email-domain/82308)
**Author:** [@said.zakriti](https://community.auth0.com/u/said.zakriti)\ **Replies:** 3\ **Last updated:** [April 26, 2022, 3:47pm UTC](https://community.auth0.com/t/get-the-otp-using-passwordless-multiple-times-with-same-email-domain/82308 "2022-04-26T15:47:10Z")
Hello Community, I am using /passwordless/start endpoint to get the OTP that I will be using in /oauth/token to get the bearer token. When I use an email with domain that is never used before I get the OTP and then the… --- ## [How can I look up used email address?](https://community.auth0.com/t/how-can-i-look-up-used-email-address/80706)
**Author:** [@kwst](https://community.auth0.com/u/kwst)\ **Replies:** 1\ **Last updated:** [March 30, 2022, 3:02pm UTC](https://community.auth0.com/t/how-can-i-look-up-used-email-address/80706 "2022-03-30T15:02:47Z")
Hi. I’d like to know if the email address is used already. Is there such a API? When the user accesses signup page, if the email address is used already, I want to redirect to login page. I found get\_users\_by\_email in… --- ## [Access\_token is malformed jwt when authenticating with google-oauth2](https://community.auth0.com/t/access-token-is-malformed-jwt-when-authenticating-with-google-oauth2/74218)
**Author:** [@mattymillar](https://community.auth0.com/u/mattymillar)\ **Replies:** 6\ **Last updated:** [December 6, 2021, 5:24pm UTC](https://community.auth0.com/t/access-token-is-malformed-jwt-when-authenticating-with-google-oauth2/74218 "2021-12-06T17:24:09Z")
I have a web application and I authenticate with google. I get a code back and I exchange it for a token by POST to /oauth/token. I get a successful token response, but when I try decode the access\_token inside I get “… --- ## [How to do i increase or decrease the rate limit of authentication Api](https://community.auth0.com/t/how-to-do-i-increase-or-decrease-the-rate-limit-of-authentication-api/71226)
**Author:** [@rkolisetty](https://community.auth0.com/u/rkolisetty)\ **Replies:** 1\ **Last updated:** [October 13, 2021, 12:27pm UTC](https://community.auth0.com/t/how-to-do-i-increase-or-decrease-the-rate-limit-of-authentication-api/71226 "2021-10-13T12:27:21Z")
I need to manipulate the rate limit for the authenticate Api, where can i find the option or api to manipulate it? As Per My Requirement in need to set up rate limit for Reset password Api “/dbconnections/change\_passwor… --- ## [Google Sign In integration in Android App simply stopped working](https://community.auth0.com/t/google-sign-in-integration-in-android-app-simply-stopped-working/70975)
**Author:** [@thsaraiva](https://community.auth0.com/u/thsaraiva)\ **Replies:** 3\ **Last updated:** [October 8, 2021, 1:17pm UTC](https://community.auth0.com/t/google-sign-in-integration-in-android-app-simply-stopped-working/70975 "2021-10-08T13:17:56Z")
Which SDK this is regarding: : Android SDK SDK Version: 2.4.0 Platform Version: Android 11 I’m part of the development team of a charity that supports people that are facing Cancer. We have an Android app in product… --- ## [Auth Not Working for Protected API - Query Param configuration missing? (Angular & Node)](https://community.auth0.com/t/auth-not-working-for-protected-api-query-param-configuration-missing-angular-node/67783)
**Author:** [@EyeG](https://community.auth0.com/u/EyeG)\ **Replies:** 14\ **Last updated:** [August 17, 2021, 6:58pm UTC](https://community.auth0.com/t/auth-not-working-for-protected-api-query-param-configuration-missing-angular-node/67783 "2021-08-17T18:58:39Z")
Hey Auth0 Community, I followed the quickstart guide via Youtube to set up an Angular app to use Auth0. Overall, it was extremely helpful. My login/logout is working. My route guards are working. My problem: My API ca… --- ## [Not able to login with google from the Expo app](https://community.auth0.com/t/not-able-to-login-with-google-from-the-expo-app/60438)
**Author:** [@yunjae.oh.nl](https://community.auth0.com/u/yunjae.oh.nl)\ **Replies:** 1\ **Last updated:** [April 5, 2021, 7:04pm UTC](https://community.auth0.com/t/not-able-to-login-with-google-from-the-expo-app/60438 "2021-04-05T19:04:03Z")
Hi community, I’m working on social login feature for a mobile app based on Expo (react-native). I got Apple and Facebook working just fine, but Google login fails when I try to login from the Expo Go app. Auth0 log s… --- ## [Google signin in Auth0 specifying user email and google access token](https://community.auth0.com/t/google-signin-in-auth0-specifying-user-email-and-google-access-token/59921)
**Author:** [@gabriela.badila](https://community.auth0.com/u/gabriela.badila)\ **Replies:** 4\ **Last updated:** [March 25, 2021, 8:46am UTC](https://community.auth0.com/t/google-signin-in-auth0-specifying-user-email-and-google-access-token/59921 "2021-03-25T08:46:58Z")
Hello, I am trying to understand if I can use the “Google/Gmail” extension in Auth0 platform to login an existing user using google authentification. For a usual flow of login, we need email + password, but for Google a… --- ## [Exchange Google "idToken" or "authCode" for Auth0 credentials](https://community.auth0.com/t/exchange-google-idtoken-or-authcode-for-auth0-credentials/57623)
**Author:** [@thsaraiva](https://community.auth0.com/u/thsaraiva)\ **Replies:** 1\ **Last updated:** [February 11, 2021, 6:56pm UTC](https://community.auth0.com/t/exchange-google-idtoken-or-authcode-for-auth0-credentials/57623 "2021-02-11T18:56:11Z")
Hi, I’m struggling to find out how to obtain Auth0 credentials, after having successfully authenticated my user with Google in my Android App following Google Sign In instructions (การผสานรวม Google Sign-In กับแอป Andro… --- ## [How to authorize a SPA to access an API?](https://community.auth0.com/t/how-to-authorize-a-spa-to-access-an-api/56926)
**Author:** [@SageFioLange](https://community.auth0.com/u/SageFioLange)\ **Replies:** 4\ **Last updated:** [January 29, 2021, 9:28am UTC](https://community.auth0.com/t/how-to-authorize-a-spa-to-access-an-api/56926 "2021-01-29T09:28:32Z")
Hi, I’m using an Auth0 API to authorize an AWS HttpAPI, and it works with the machine-to-machine test application that is auto-generated with every Auth0 API, however I can’t figure out how to get it to work with the Si… --- ## [Propagating an Auth0 login on one application to multiple applications](https://community.auth0.com/t/propagating-an-auth0-login-on-one-application-to-multiple-applications/51250)
**Author:** [@Sargent\_D](https://community.auth0.com/u/Sargent_D)\ **Replies:** 5\ **Last updated:** [October 14, 2020, 11:14am UTC](https://community.auth0.com/t/propagating-an-auth0-login-on-one-application-to-multiple-applications/51250 "2020-10-14T11:14:00Z")
I have an application that I have implemented Auth0’s authentication into. I want a user who logs into this application to be automatically logged into a second application as well. How do I go about implementing this fu… --- ## [How can implement the swissID login?](https://community.auth0.com/t/how-can-implement-the-swissid-login/23806)
**Author:** [@enjoylifethemost123](https://community.auth0.com/u/enjoylifethemost123)\ **Replies:** 5\ **Last updated:** [May 7, 2019, 4:55pm UTC](https://community.auth0.com/t/how-can-implement-the-swissid-login/23806 "2019-05-07T16:55:00Z")
Now I am developing the authentication with swissID login. SwissID is providing from swissID team. In order to implement the I have used the custom social login. I contacted to swissID team and received Client ID, Key… --- ## [How to validate verification code for passwordless](https://community.auth0.com/t/how-to-validate-verification-code-for-passwordless/10026)
**Author:** [@angeltek](https://community.auth0.com/u/angeltek)\ **Replies:** 1\ **Last updated:** [December 18, 2018, 3:27pm UTC](https://community.auth0.com/t/how-to-validate-verification-code-for-passwordless/10026 "2018-12-18T15:27:27Z")
I’m trying to validate the verification code that was send through SMS. I used the following post call in Postman: http://\/oauth/legacy/grant-type/ro { "client\_id": "id", "connection": "sms", "grant\_type…