curl --request GET \
  --url https://api.machines.cash/partner/v1/kyc/schema \
  --header 'X-Partner-Key: <api-key>'

{
  "ok": true,
  "data": {
    "fields": [
      {
        "name": "<string>",
        "required": true,
        "type": "<string>",
        "maxLength": 123,
        "minLength": 123,
        "regex": "<string>",
        "enum": [
          "<string>"
        ],
        "description": "<string>"
      }
    ]
  },
  "summary": "<string>",
  "errors": [
    {
      "code": "invalid_request",
      "message": "missing required field",
      "field": "<string>"
    }
  ],
  "next": {
    "pollAfterMs": 1,
    "suggestedTool": "<string>",
    "suggestedArgs": {}
  }
}