{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://contentstack.com/schemas/contentstack/webhook-payload.json",
  "title": "Contentstack Webhook Payload",
  "description": "Schema for the HTTP POST payload delivered by Contentstack to configured webhook endpoints. Payloads are sent when content lifecycle events occur in a stack, including entry and asset publish, unpublish, create, update, and delete operations.",
  "type": "object",
  "required": ["event", "module", "api_key"],
  "properties": {
    "event": {
      "type": "string",
      "description": "The specific action that triggered the webhook.",
      "enum": [
        "publish",
        "unpublish",
        "create",
        "update",
        "delete",
        "workflow_stage_change",
        "deploy"
      ]
    },
    "module": {
      "type": "string",
      "description": "The Contentstack content module that generated the event.",
      "enum": [
        "entry",
        "asset",
        "content_type",
        "global_field",
        "release",
        "workflow",
        "bulk_job",
        "taxonomy",
        "branch"
      ]
    },
    "api_key": {
      "type": "string",
      "description": "The API key of the Contentstack stack where the event occurred.",
      "pattern": "^[a-zA-Z0-9]{16,}$"
    },
    "uid": {
      "type": "string",
      "description": "The UID of the primary resource that triggered the event."
    },
    "triggered_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 UTC timestamp of when the event was triggered and the webhook was dispatched."
    },
    "data": {
      "description": "Event-specific data payload containing the resource details and event context.",
      "oneOf": [
        {
          "$ref": "#/$defs/EntryEventData"
        },
        {
          "$ref": "#/$defs/AssetEventData"
        },
        {
          "$ref": "#/$defs/ContentTypeEventData"
        },
        {
          "$ref": "#/$defs/WorkflowEventData"
        },
        {
          "$ref": "#/$defs/BulkJobEventData"
        },
        {
          "$ref": "#/$defs/ReleaseEventData"
        }
      ]
    }
  },
  "$defs": {
    "EntryEventData": {
      "type": "object",
      "description": "Data payload for entry-related webhook events.",
      "properties": {
        "entry": {
          "type": "object",
          "description": "The entry resource that triggered the event.",
          "properties": {
            "uid": {
              "type": "string",
              "description": "Unique identifier of the entry."
            },
            "title": {
              "type": "string",
              "description": "Title of the entry."
            },
            "locale": {
              "type": "string",
              "description": "Locale code of the entry version."
            },
            "_version": {
              "type": "integer",
              "description": "Version number of the entry.",
              "minimum": 1
            },
            "created_at": {
              "type": "string",
              "format": "date-time",
              "description": "ISO 8601 timestamp when the entry was created."
            },
            "updated_at": {
              "type": "string",
              "format": "date-time",
              "description": "ISO 8601 timestamp when the entry was last updated."
            }
          }
        },
        "content_type": {
          "$ref": "#/$defs/ContentTypeRef"
        },
        "environments": {
          "type": "array",
          "description": "Environments affected by this event. Populated for publish and unpublish events.",
          "items": {
            "$ref": "#/$defs/EnvironmentRef"
          }
        },
        "locales": {
          "type": "array",
          "description": "Locales affected by this event.",
          "items": {
            "$ref": "#/$defs/LocaleRef"
          }
        }
      }
    },
    "AssetEventData": {
      "type": "object",
      "description": "Data payload for asset-related webhook events.",
      "properties": {
        "asset": {
          "type": "object",
          "description": "The asset resource that triggered the event.",
          "properties": {
            "uid": {
              "type": "string",
              "description": "Unique identifier of the asset."
            },
            "title": {
              "type": "string",
              "description": "Display title of the asset."
            },
            "url": {
              "type": "string",
              "format": "uri",
              "description": "CDN URL of the asset file."
            },
            "filename": {
              "type": "string",
              "description": "Original filename of the uploaded asset."
            },
            "content_type": {
              "type": "string",
              "description": "MIME type of the asset file."
            },
            "file_size": {
              "type": "string",
              "description": "File size of the asset in bytes."
            },
            "created_at": {
              "type": "string",
              "format": "date-time",
              "description": "ISO 8601 timestamp when the asset was created."
            },
            "updated_at": {
              "type": "string",
              "format": "date-time",
              "description": "ISO 8601 timestamp when the asset was last updated."
            }
          }
        },
        "environments": {
          "type": "array",
          "description": "Environments affected by this event.",
          "items": {
            "$ref": "#/$defs/EnvironmentRef"
          }
        }
      }
    },
    "ContentTypeEventData": {
      "type": "object",
      "description": "Data payload for content type lifecycle events.",
      "properties": {
        "content_type": {
          "type": "object",
          "description": "The content type resource involved in the event.",
          "properties": {
            "uid": {
              "type": "string",
              "description": "Unique identifier of the content type."
            },
            "title": {
              "type": "string",
              "description": "Display name of the content type."
            },
            "schema": {
              "type": "array",
              "description": "Array of field definitions for the content type schema.",
              "items": {
                "type": "object"
              }
            },
            "created_at": {
              "type": "string",
              "format": "date-time",
              "description": "ISO 8601 timestamp when the content type was created."
            },
            "updated_at": {
              "type": "string",
              "format": "date-time",
              "description": "ISO 8601 timestamp when the content type schema was last updated."
            }
          }
        }
      }
    },
    "WorkflowEventData": {
      "type": "object",
      "description": "Data payload for workflow stage change events.",
      "properties": {
        "entry": {
          "type": "object",
          "description": "The entry that changed workflow stage.",
          "properties": {
            "uid": {
              "type": "string",
              "description": "UID of the entry."
            },
            "title": {
              "type": "string",
              "description": "Title of the entry."
            }
          }
        },
        "content_type": {
          "$ref": "#/$defs/ContentTypeRef"
        },
        "workflow": {
          "type": "object",
          "description": "Workflow transition details.",
          "properties": {
            "uid": {
              "type": "string",
              "description": "UID of the workflow."
            },
            "name": {
              "type": "string",
              "description": "Name of the workflow."
            },
            "current_stage": {
              "$ref": "#/$defs/WorkflowStageRef"
            },
            "previous_stage": {
              "$ref": "#/$defs/WorkflowStageRef"
            }
          }
        }
      }
    },
    "BulkJobEventData": {
      "type": "object",
      "description": "Data payload for bulk job completion events.",
      "properties": {
        "job": {
          "type": "object",
          "description": "Summary information about the completed bulk job.",
          "properties": {
            "uid": {
              "type": "string",
              "description": "Unique identifier of the bulk job."
            },
            "type": {
              "type": "string",
              "description": "Type of bulk operation that was performed.",
              "enum": ["bulk_publish", "bulk_unpublish"]
            },
            "status": {
              "type": "string",
              "description": "Final completion status of the bulk job.",
              "enum": ["complete", "partial", "failed"]
            },
            "total_count": {
              "type": "integer",
              "description": "Total number of items included in the bulk job.",
              "minimum": 0
            },
            "success_count": {
              "type": "integer",
              "description": "Number of items that were successfully processed.",
              "minimum": 0
            },
            "failed_count": {
              "type": "integer",
              "description": "Number of items that failed to process.",
              "minimum": 0
            }
          }
        },
        "environments": {
          "type": "array",
          "description": "Target environments for the bulk operation.",
          "items": {
            "$ref": "#/$defs/EnvironmentRef"
          }
        }
      }
    },
    "ReleaseEventData": {
      "type": "object",
      "description": "Data payload for release deployment events.",
      "properties": {
        "release": {
          "type": "object",
          "description": "The deployed release.",
          "properties": {
            "uid": {
              "type": "string",
              "description": "Unique identifier of the release."
            },
            "name": {
              "type": "string",
              "description": "Display name of the release."
            },
            "description": {
              "type": "string",
              "description": "Optional description of the release contents."
            }
          }
        },
        "environments": {
          "type": "array",
          "description": "Environments the release was deployed to.",
          "items": {
            "$ref": "#/$defs/EnvironmentRef"
          }
        }
      }
    },
    "ContentTypeRef": {
      "type": "object",
      "description": "A reference to a content type.",
      "properties": {
        "uid": {
          "type": "string",
          "description": "UID of the content type."
        },
        "title": {
          "type": "string",
          "description": "Display name of the content type."
        }
      }
    },
    "EnvironmentRef": {
      "type": "object",
      "description": "A reference to a deployment environment.",
      "properties": {
        "uid": {
          "type": "string",
          "description": "UID of the environment."
        },
        "name": {
          "type": "string",
          "description": "Display name of the environment."
        }
      }
    },
    "LocaleRef": {
      "type": "object",
      "description": "A reference to a locale.",
      "properties": {
        "code": {
          "type": "string",
          "description": "BCP 47 locale code (e.g., en-us, fr-fr).",
          "pattern": "^[a-z]{2}(-[A-Z]{2})?$"
        },
        "name": {
          "type": "string",
          "description": "Human-readable locale name."
        }
      }
    },
    "WorkflowStageRef": {
      "type": "object",
      "description": "A reference to a workflow stage.",
      "properties": {
        "uid": {
          "type": "string",
          "description": "UID of the workflow stage."
        },
        "title": {
          "type": "string",
          "description": "Display name of the workflow stage."
        },
        "color": {
          "type": "string",
          "description": "Hex color code for the workflow stage indicator.",
          "pattern": "^#[0-9A-Fa-f]{6}$"
        }
      }
    }
  }
}