> For the complete documentation index, see [llms.txt](https://emca.emudhra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emca.emudhra.com/integrating-emca/connecting-external-applications.md).

# Connecting External Applications

External applications are client systems that must be registered in emCA to access emCA Services (APIs).

The onboarding process of External Applications can be triggered from the following interface:

<figure><img src="/files/Vhp8rzPEhUWY2bMFIFkh" alt=""><figcaption></figcaption></figure>

Click + New to register a new External Application.

<figure><img src="/files/eK2cNq7kq35yWTJm5c41" alt=""><figcaption></figcaption></figure>

* Enter the Username for the new External Application.
* Enter a password for the new External Application. The password must comply with the password policy of emCA.
* Enter the IP Address of the new External Application. This address is used to whitelist the new External Application.

All of the above parameters will have to be provided during access to the emCA API.

<figure><img src="/files/WFL0AnX2HyEIuZLyA4Hj" alt=""><figcaption></figcaption></figure>

After providing the required fields click on proceed to continue.

You will be prompted to authenticate the registration:

<figure><img src="/files/IxJGy9vJtTeSmUiLT3xv" alt=""><figcaption></figcaption></figure>

Authenticate using your Administrator token and proceed by pressing Authenticate.

Click Sign and Save to generate a certificate for the new External Application.

<figure><img src="/files/NdSUIsy7HMpNpOSxiTkd" alt=""><figcaption></figcaption></figure>

Click on "View all" to see the created application links and click on "New" to create a new certificate.


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