curl --request GET \
  --url https://api.sumvin.com/v0/providers

{
  "_links": {},
  "data": {
    "provider": "<string>",
    "audience": "<string>",
    "required_scopes": [
      "<string>"
    ],
    "optional_scopes": [
      "<string>"
    ],
    "suggested_max_amount": "<string>",
    "suggested_max_amount_token": "<string>"
  }
}