> For the complete documentation index, see [llms.txt](https://docs.locoia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.locoia.com/connectors/building-connectors/base-connector-setup/connector-auth-validation.md).

# Connector Auth Validation

### Feature Introduction <a href="#feature-introduction" id="feature-introduction"></a>

The automatic Connector Auth validation feature automatically checks whether the credentials for a Connector Auth are correct or not during the creation of a it:

<figure><img src="/files/O6x19ZouVvny27DjFwUg" alt=""><figcaption><p>Example of an error from "More Details"</p></figcaption></figure>

The user can view the error message returned by the API, update the credentials and try again, or choose to save the Connector Auth despite the error by clicking the **Save Regardless** button.

To enable this functionality, the endpoint must be specified in the Authentication Configuration of the corresponding connector.

{% hint style="info" %}
As the authentication process for OAuth2 and refreshable token implicitly check whether the credentials are correct, the explicit validation does not have to and cannot be used with them.
{% endhint %}

### Configuration on connector

<figure><img src="/files/56znqkVzlreegquT5K1O" alt=""><figcaption><p>Edit Connector > Auth Configuration</p></figcaption></figure>

In the Authentication Configuration, a new field called `test_endpoint` needs to be added, which specifies the endpoint.

This endpoint is the same as in a regular action, so the base domain should not be specified.

This (currently) needs to be a `GET` endpoint to keep the configuration as simple as possible and to prevent accidental creation of anything in the customer’s account.

When the user adds a connector auth, we send a request to that endpoint with the user’s credentials and, if specified, their base domain.

{% hint style="info" %}
For Helpers, we need to code the validation in the backend. As of now, we’ve only seen a use case for validation in the FTP and SQL Helpers (this just checks the connection—kind of like a ping to the respective server), but this can be expanded if it makes sense.
{% endhint %}


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