curl --request POST \
  --url https://api.getsly.ai/v1/v1/funding/sources \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "card",
  "account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "setup_token": "<string>"
}
'

{
  "data": {
    "id": "<string>",
    "account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "created_at": "2023-11-07T05:31:56Z",
    "last_four": "<string>",
    "bank_name": "<string>",
    "network": "<string>",
    "wallet_address": "<string>",
    "metadata": {}
  }
}