metadata.gps_coordinates: latitude −90…90, longitude −180…180.
metadata.address (1–200), city (1–100), postal_code (1–20); country ISO 3166-1 alpha-2.
metadata.operator_name, metadata.website (https): optional, default to your account.
metadata.private.level: public or restricted.
metadata.subscription.id: optional; a goodcharge partner offer or one of your subscriptions (portal → Subscriptions).
charging_points: 1–50; plug_type one of PLUG_TYPES; power in kW, > 0 and ≤ 1000; status one of POINT_STATUSES; occupied_since ISO 8601, only when occupied (omitted: goodcharge uses the time the point became occupied).
pricing: connection_fee and price_per_kilowatt_hour 0…100; currency ISO 4217.