The main goal for me is to retrieve an option with all its labels, or a call to update labels and leaving the rest of the labels as it was.
I cant find any, tried all the repo calls so far
We should take a look: http://devdocs.magento.com/swagger/ > catalogProductAttributeOptionManagementV1
As we can see, we should use: /V1/products/attributes/{attributeCode}/options
[
{
"label": "string",
"value": "string",
"sort_order": 0,
"is_default": true,
"store_labels": [
{
"store_id": 0,
"label": "string"
}
]
}
]