curl --request GET \
  --url https://data-api.sovfixer.com/api/v1/datasources \
  --header 'Authorization: <api-key>'

{
  "configs": {
    "PG": {
      "source_name": "Ping Geocoding",
      "source_code": "PG",
      "required_attrs": [
        "address"
      ],
      "optional_attrs": [
        "const__desc_ping",
        "const__bldg_area",
        "const__num_buildings"
      ],
      "requires_credentials": false,
      "non_supported_input_values": null,
      "supported_countries": null,
      "supported_us_states": null,
      "excluded_us_states": null,
      "geocode_confidence_required": null,
      "geocode_precision_required": null,
      "output_fields": {
        "latitude": {
          "type": "float | None",
          "metadata": {
            "description": "Latitude of the location."
          }
        },
        "longitude": {
          "type": "float | None",
          "metadata": {
            "description": "Longitude of the location."
          }
        },
        "formatted_address": {
          "type": "str | None",
          "metadata": {
            "description": "Human-readable full address (e.g., '123 Main St, Miami, FL 33133')."
          }
        },
        "...": "truncated — see every field described on the Data Integrations page"
      },
      "base_output_fields": {
        "...": "truncated — common fields shared across all datasources"
      }
    }
  }
}