curl --request POST \
  --url https://api.sand.etherfuse.com/ramp/customer/{customer_id}/verification/documents \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: multipart/form-data' \
  --form id_front='@example-file' \
  --form id_back='@example-file' \
  --form proof_of_address='@example-file' \
  --form proof_of_address_type=UTILITY_BILL \
  --form tax_document='@example-file' \
  --form country=MEX

const form = new FormData();
form.append('id_front', '<string>');
form.append('id_back', '<string>');
form.append('proof_of_address', '<string>');
form.append('proof_of_address_type', 'UTILITY_BILL');
form.append('tax_document', '<string>');
form.append('country', 'MEX');

const options = {method: 'POST', headers: {Authorization: '<api-key>'}};

options.body = form;

fetch('https://api.sand.etherfuse.com/ramp/customer/{customer_id}/verification/documents', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.sand.etherfuse.com/ramp/customer/{customer_id}/verification/documents"

files = {
    "id_front": ("example-file", open("example-file", "rb")),
    "id_back": ("example-file", open("example-file", "rb")),
    "proof_of_address": ("example-file", open("example-file", "rb")),
    "tax_document": ("example-file", open("example-file", "rb"))
}
payload = {
    "proof_of_address_type": "UTILITY_BILL",
    "country": "MEX"
}
headers = {"Authorization": "<api-key>"}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)

{
  "customerId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "status": "in_progress"
}

"id_back is required for ID_CARD, which is two-sided; send both sides in the same request"

"Submit this customer's personal data first (POST /ramp/customer/{customer_id}/verification). Documents and questionnaire answers are accepted once that is done."