> For the complete documentation index, see [llms.txt](https://documentation.proto.cx/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.proto.cx/docs/developers/apis/custom-fields-api.md).

# Custom fields API

### [**List custom fields**](https://v3-api.proto.cx/api/platform/v1/docs#/v1/list_custom_fields_v1_custom_fields__subcompany_id__list_custom_fields_get)

{% code overflow="wrap" %}

```
GET https://v3-api.proto.cx/api/platform/v1/custom-fields/{subcompany_id}/list-custom-fields
```

{% endcode %}

### [**Create custom fields**](https://v3-api.proto.cx/api/platform/v1/docs#/v1/create_custom_fields_v1_custom_fields__subcompany_id__create_custom_field_post)

{% code overflow="wrap" %}

```
POST https://v3-api.proto.cx/api/platform/v1/custom-fields/{subcompany_id}/create-custom-field
```

{% endcode %}

{% hint style="warning" %}
**select\_options** must be provided only if **type** is **select**.
{% endhint %}

### [**Delete custom fields**](https://v3-api.proto.cx/api/platform/v1/docs#/v1/delete_custom_fields_v1_custom_fields__subcompany_id__custom_field__custom_field_id__delete_custom_fields_delete)

{% code overflow="wrap" %}

```
DELETE https://v3-api.proto.cx/api/platform/v1/custom-fields/{subcompany_id}/custom-field/{custom_field_id}/delete-custom-fields
```

{% endcode %}