{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/openstreetmap/refs/heads/main/json-schema/openstreetmap-node-schema.json",
  "title": "OpenStreetMap Node",
  "description": "An OSM node — the fundamental building block of OSM map data, representing a geographic point",
  "type": "object",
  "required": ["type", "id", "lat", "lon"],
  "properties": {
    "type": {
      "type": "string",
      "const": "node"
    },
    "id": {
      "type": "integer",
      "format": "int64",
      "minimum": 1,
      "description": "OSM node ID (positive integer)"
    },
    "lat": {
      "type": "number",
      "format": "double",
      "minimum": -90,
      "maximum": 90,
      "description": "Latitude in decimal degrees (WGS84)"
    },
    "lon": {
      "type": "number",
      "format": "double",
      "minimum": -180,
      "maximum": 180,
      "description": "Longitude in decimal degrees (WGS84)"
    },
    "tags": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      },
      "description": "Key-value metadata tags (e.g., name, amenity, highway)"
    },
    "version": {
      "type": "integer",
      "minimum": 1,
      "description": "Edit version number (incremented on each modification)"
    },
    "changeset": {
      "type": "integer",
      "format": "int64",
      "description": "ID of the changeset that last modified this node"
    },
    "timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "UTC timestamp of the last modification"
    },
    "user": {
      "type": "string",
      "description": "Username of the last editor"
    },
    "uid": {
      "type": "integer",
      "description": "User ID of the last editor"
    },
    "visible": {
      "type": "boolean",
      "description": "False if the node was deleted in this version"
    }
  },
  "$defs": {
    "Way": {
      "title": "OSM Way",
      "description": "An OSM way — an ordered list of nodes forming a line or closed polygon",
      "type": "object",
      "required": ["type", "id", "nodes"],
      "properties": {
        "type": { "type": "string", "const": "way" },
        "id": { "type": "integer", "format": "int64" },
        "nodes": {
          "type": "array",
          "items": { "type": "integer", "format": "int64" },
          "minItems": 2,
          "maxItems": 2000,
          "description": "Ordered list of node IDs forming the way"
        },
        "tags": {
          "type": "object",
          "additionalProperties": { "type": "string" }
        },
        "version": { "type": "integer" },
        "changeset": { "type": "integer", "format": "int64" },
        "timestamp": { "type": "string", "format": "date-time" },
        "user": { "type": "string" },
        "uid": { "type": "integer" },
        "visible": { "type": "boolean" }
      }
    },
    "Relation": {
      "title": "OSM Relation",
      "description": "An OSM relation — groups nodes, ways, and other relations with typed membership roles",
      "type": "object",
      "required": ["type", "id", "members"],
      "properties": {
        "type": { "type": "string", "const": "relation" },
        "id": { "type": "integer", "format": "int64" },
        "members": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["type", "ref"],
            "properties": {
              "type": { "type": "string", "enum": ["node", "way", "relation"] },
              "ref": { "type": "integer", "format": "int64" },
              "role": { "type": "string", "description": "Semantic role (e.g., outer, inner, stop, platform)" }
            }
          }
        },
        "tags": {
          "type": "object",
          "additionalProperties": { "type": "string" }
        },
        "version": { "type": "integer" },
        "changeset": { "type": "integer", "format": "int64" },
        "timestamp": { "type": "string", "format": "date-time" }
      }
    }
  }
}