# Basic auth, get OAuth2 required
**URL:** https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117
**Category:** Product Support
**Created:** [January 10, 2017, 5:28pm UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117 "2017-01-10T17:28:43Z")
**Posts on this page:** 10
**Page:** 1
### Author:  [@brandner](https://forum.mautic.org/u/brandner)
#### Post date: [January 10, 2017, 5:28pm UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/1 "2017-01-10T17:28:43Z")
Trying out the Mautic API, both via code and via the Postman application.
When I try to make calls to [http://SERVER/index.php/api/contacts](http://SERVER/index.php/api/contacts) with the basic authorization header, I get:
Code:
{ "error": "access\_denied", "error\_description": "OAuth2 authentication required" }
I have checked the API settings in Mautic to ensure that basic authentication is enabled.
Screenshot:
http://pasteboard.co/ksPgC3tYt.png
Any suggestions?
---
### Author:  [@brandner](https://forum.mautic.org/u/brandner)
#### Post date: [January 10, 2017, 5:28pm UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/2 "2017-01-10T17:28:43Z")
Trying out the Mautic API, both via code and via the Postman application.
When I try to make calls to [http://SERVER/index.php/api/contacts](http://SERVER/index.php/api/contacts) with the basic authorization header, I get:
`{
"error": "access_denied",
"error_description": "OAuth2 authentication required"
}`
I have checked the API settings in Mautic to ensure that basic authentication is enabled.
Screenshot:
[http://pasteboard.co/ksPgC3tYt.png](http://pasteboard.co/ksPgC3tYt.png)
Any suggestions?
---
### Author:  [@brandner](https://forum.mautic.org/u/brandner)
#### Post date: [January 12, 2017, 5:28pm UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/3 "2017-01-12T17:28:34Z")
Anyone else using basic authentication?
---
### Author:  [@brandner](https://forum.mautic.org/u/brandner)
#### Post date: [January 12, 2017, 5:58pm UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/4 "2017-01-12T17:58:31Z")
I think at least part of my problem was a bad .htaccess file.
Note that I could not navigate to [http://SERVER/api/contacts](http://SERVER/api/contacts) but I could to [http://SERVER/index.php/api/contacts](http://SERVER/index.php/api/contacts).
This lead me to think that perhaps the URL mapping was wrong.
I restored an original .htaccess from github, and checked that my base URL in the configuration was correct. Now, when I navigate to [http://SERVER/api/contacts](http://SERVER/api/contacts) I no longer get a 404.
However, my GET requests with the basic authorization header give me a different error:
```auto
{"error":{"message":"Requested URL not found: /api/contacts","code":404}}
```
---
### Author:  [@brandner](https://forum.mautic.org/u/brandner)
#### Post date: [January 12, 2017, 7:32pm UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/5 "2017-01-12T19:32:32Z")
Fixed. Was searching through docs and was reminded about the troubleshooting page:
[https://mautic.org/docs/en/tips/troubleshooting.html](https://mautic.org/docs/en/tips/troubleshooting.html)
I cleared the cache and it started working. I suspect it needed to be cleared after the changes I made for the base URL.
---
### Author:  [@namratasaun](https://forum.mautic.org/u/namratasaun)
#### Post date: [April 30, 2021, 10:52am UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/6 "2021-04-30T10:52:34Z")
> [@brandner](#):
>
> [Pasteboard - Uploaded Image](http://pasteboard.co/ksPgC3tYt.png)
How can you use just basic auth. When I select basic auth and then try to create API credential, I have to choose atleast 1 thing among Oauth 1.0 or oAuth 2.0
---
### Author:  [@joeyk](https://forum.mautic.org/u/joeyk)
#### Post date: [April 30, 2021, 12:02pm UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/7 "2021-04-30T12:02:45Z")
No, you can just use basic auth if you have API allowed. No extra setting. (Clear cache after allowing it.)
---
### Author:  [@namratasaun](https://forum.mautic.org/u/namratasaun)
#### Post date: [May 1, 2021, 7:17am UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/8 "2021-05-01T07:17:50Z")
what to choose here if i have selected basic auth?
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### Author:  [@joeyk](https://forum.mautic.org/u/joeyk)
#### Post date: [May 1, 2021, 8:16am UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/9 "2021-05-01T08:16:18Z")
Nothing.Don’t add anything here. This is not Basic auth. Basic auth is user login/psw authenticated API call.
---
### Author:  [@namratasaun](https://forum.mautic.org/u/namratasaun)
#### Post date: [May 1, 2021, 8:23am UTC](https://forum.mautic.org/t/basic-auth-get-oauth2-required/7117/10 "2021-05-01T08:23:05Z")
oh yes. It worked.
thanks a lot @joeyk