castai-webhooks-events

name	castai-webhooks-events
description	Configure CAST AI webhook notifications for cluster events and audit logs. Use when setting up alerts for node scaling, cost threshold events, or integrating CAST AI events with Slack, PagerDuty, or custom endpoints. Trigger with phrases like "cast ai webhooks", "cast ai notifications", "cast ai slack alerts", "cast ai events".
allowed-tools	Read, Write, Edit, Bash(curl:*)
version	1.0.0
license	MIT
author	Jeremy Longshore <[e-mail]>
tags	["saas","kubernetes","cost-optimization","castai"]
compatible-with	claude-code

CAST AI Webhooks & Events

Overview

CAST AI emits events for node lifecycle changes, autoscaler decisions, and security findings. Configure webhook endpoints or use the audit log API to track all cluster operations. Integrates with Slack, PagerDuty, and custom HTTP endpoints.

Prerequisites

• CAST AI cluster connected and active
• HTTPS endpoint for receiving webhooks (or Slack webhook URL)
• API key with Full Access

Instructions

Step 1: Configure Notification Channels in Console

Navigate to console.cast.ai > your cluster > Notifications. Available channels:

• Slack: Webhook URL integration
• Email: Per-user notifications
• PagerDuty: Incident escalation
• Custom webhook: Any HTTPS endpoint

Step 2: Query Audit Log via API

# Get recent cluster operations
curl -s -H "X-API-Key: ${CASTAI_API_KEY}" \
  "https://api.cast.ai/v1/kubernetes/clusters/${CASTAI_CLUSTER_ID}/audit-log?limit=20" \
  | jq '.items[] | {
    time: .createdAt,
    action: .action,
    initiator: .initiatedBy,
    details: .details
  }'

Step 3: Build a Custom Notification Handler

// castai-webhook-handler.ts
import express from "express";

const app = express();
app.use(express.json());

interface CastAIEvent {
  eventType: string;
  clusterId: string;
  clusterName: string;
  timestamp: string;
  data: {
    nodeName?: string;
    ?: ;
    ?: ;
    ?: ;
    ?: ;
  };
}

app.(,  (req, res) => {
   :  = req.;

   (event.) {
     :
      .(
        
      );
       (
        
      );
      ;

     :
      .();
      ;

     :
      .();
       (, event);
      ;

     :
      .();
      ;

    :
      .();
  }

  res.().({ :  });
});

  (): <> {
   (process..!, {
    : ,
    : { :  },
    : .({
      : ,
    }),
  });
}

app.(,  .());