Mailchimp · Schema

WebhookInfo

Information about a configured webhook.

CampaignsEmail MarketingMarketing AutomationNewslettersTransactional Email

Properties

Name	Type	Description
id	integer	The unique webhook identifier.
url	string	The webhook URL.
description	string	A description of the webhook.
auth_key	string	The key used to generate webhook signatures for verifying webhook authenticity.
events	array	The events that trigger this webhook.
created_at	string	When the webhook was created.
last_sent_at	string	When the webhook last fired.
batches_sent	integer	Total number of event batches sent.
events_sent	integer	Total number of events sent.
last_error	string	The last error received from the webhook URL.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/WebhookInfo",
  "title": "WebhookInfo",
  "type": "object",
  "description": "Information about a configured webhook.",
  "properties": {
    "id": {
      "type": "integer",
      "description": "The unique webhook identifier.",
      "example": "abc123"
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "The webhook URL.",
      "example": "https://www.example.com"
    },
    "description": {
      "type": "string",
      "description": "A description of the webhook.",
      "example": "A sample description."
    },
    "auth_key": {
      "type": "string",
      "description": "The key used to generate webhook signatures for verifying webhook authenticity.",
      "example": "example_value"
    },
    "events": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "send",
          "hard_bounce",
          "soft_bounce",
          "open",
          "click",
          "spam",
          "unsub",
          "reject",
          "deferral"
        ]
      },
      "description": "The events that trigger this webhook.",
      "example": []
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "When the webhook was created.",
      "example": "2026-01-15T10:30:00Z"
    },
    "last_sent_at": {
      "type": "string",
      "format": "date-time",
      "description": "When the webhook last fired.",
      "example": "2026-01-15T10:30:00Z"
    },
    "batches_sent": {
      "type": "integer",
      "description": "Total number of event batches sent.",
      "example": 10
    },
    "events_sent": {
      "type": "integer",
      "description": "Total number of events sent.",
      "example": 10
    },
    "last_error": {
      "type": "string",
      "description": "The last error received from the webhook URL.",
      "example": "example_value"
    }
  }
}