{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/thingspeak/main/json-schema/thingspeak-channel-schema.json",
  "title": "ThingSpeak Channel",
  "description": "A ThingSpeak channel — the primary container for time-series IoT data. Holds up to eight named numeric fields plus optional location metadata.",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer",
      "description": "Numeric channel identifier."
    },
    "name": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "latitude": {
      "type": "number",
      "minimum": -90,
      "maximum": 90
    },
    "longitude": {
      "type": "number",
      "minimum": -180,
      "maximum": 180
    },
    "elevation": {
      "type": "number"
    },
    "created_at": {
      "type": "string",
      "format": "date-time"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time"
    },
    "last_entry_id": {
      "type": "integer"
    },
    "public_flag": {
      "type": "boolean"
    },
    "url": {
      "type": "string",
      "format": "uri"
    },
    "field1": {
      "type": "string"
    },
    "field2": {
      "type": "string"
    },
    "field3": {
      "type": "string"
    },
    "field4": {
      "type": "string"
    },
    "field5": {
      "type": "string"
    },
    "field6": {
      "type": "string"
    },
    "field7": {
      "type": "string"
    },
    "field8": {
      "type": "string"
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "integer"
          },
          "name": {
            "type": "string"
          }
        }
      }
    },
    "api_keys": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "api_key": {
            "type": "string"
          },
          "write_flag": {
            "type": "boolean"
          }
        }
      }
    }
  },
  "required": ["id", "name"]
}