Some API resources may have relationships with files. Examples may be:
  • a user picture ;
  • a work-contract attachment ;
  • etc…
1

Upload a file

First upload a file through the file-upload API endpoint.
POST /lucca-files/api/uploads HTTP/1.1
Host: example.ilucca.net
Authorization: lucca application={API_KEY}
Accept: application/json
Content-Type: multipart/form-data; boundary=---abc

-----abc
Content-Disposition: form-data; name=""; filename="test.pdf"

-----abc--
Make sure to keep the id given in the response, you’ll need it later.
2

Set the file id as a reference on the object

You then need to set the uploaded file id on the corresponding resource.
PUT /api/v3/users/416 HTTP/1.1
Host: example.ilucca.net
Authorization: lucca application={API_KEY}
Accept: application/json
Content-Type: application/json

{
    "picture": {
        "id": "618d5bac-2f38-4d5b-8ba3-981733dffeff"
    }
}