Get instant webhooks when keywords are mentioned on Reddit

Free, real-time monitoring. Set up in 30 seconds. No account required to start.

Separate multiple keywords with commas

We'll POST to this URL when matches are found

We'll send you an activation code

Free forever • No credit card • Active in 60 seconds

webhook-payload.json
{
  data: {
    object: {
      id: "5657fdf7...",
      keyword: "freelance invoicing",
      textContent: "anyone good freelance invoicing software you recommend?",
      url: "https://reddit.com/r/...",
      createdAt: "2025-11-12T10:30:00Z",
      keywordMonitorId: "deb3b47e...",
    }
  }
}
5M+
posts monitored daily
3.2s
average delivery time
99.9%
uptime guarantee

Ready to start monitoring?

Takes 30 seconds • No credit card required

Everything you need to track Reddit mentions

Get notified the moment keywords are mentioned

Karma Webhook monitors Reddit in real-time, sending webhook notifications within seconds of new mentions. Whether you're tracking your brand, competitors, or sales opportunities, you'll never miss an important conversation.

Perfect for feeding into your existing tools—Slack, Discord, your custom dashboard, or any system that accepts webhooks. Works seamlessly with n8n, Zapier, Make, and any HTTP-enabled application.

Reddit post
5 seconds
Your webhook fires

No complex setup. No API keys. No webhooks to configure.

Just enter your keywords, your webhook URL, and your email. That's it. No account dashboards to navigate, no API documentation to read, no authentication headers to figure out.

Activate with a simple email code and you're live. Update or pause your webhooks anytime by signing in with your email—no password needed.

1
Enter keywords
What you want to track
2
Add webhook URL
Where to send alerts
3
Verify your email
Activate in seconds

Works with your existing tools and workflows

Whether you're writing custom code or using no-code automation tools, Karma Webhook fits right in. Our webhook payload is clean JSON that works with every major platform.

Use it with n8n, Zapier, Make, Pipedream, or your own backend. Trigger Slack notifications, update databases, create support tickets, or anything else your workflow requires.

// Node.js
app.post('/webhook', (req, res) => {
  const mention = req.body;
  // Your logic here
});

// Python
@app.route('/webhook', methods=['POST'])
def webhook():
  mention = request.json
  # Your logic here

Brand monitoring, competitor tracking, lead generation, and more

Track your brand mentions and respond to feedback quickly. Monitor competitor discussions to understand market sentiment. Find potential customers talking about problems you solve. Catch support requests before they escalate.

Karma Webhook is flexible enough to handle whatever Reddit monitoring needs you have—from community management to market research to sales intelligence.

Brand monitoring
Track mentions and respond quickly
Lead generation
Find potential customers
Competitor tracking
Understand market sentiment
Support detection
Catch issues early

Powered by Hazelbase, our premium go-to-market intelligence platform

Karma Webhook is completely free because it's our way of introducing you to Hazelbase—our full-featured platform for go-to-market intelligence.

When you're ready to level up, Hazelbase adds LinkedIn and Twitter monitoring, AI-powered relevance scoring, automated reply generation, company enrichment data, and advanced filtering. But there's zero pressure—Karma Webhook will always be free, with no limits or catches.

Think of us as your Reddit monitoring solution that grows with you.

Learn more about Hazelbase →
Karma Webhook (Free)
  • Reddit monitoring
  • Real-time webhooks
  • 200 keywords
Hazelbase (Starting at $49/mo)
Everything in Karma Webhook, plus:
  • LinkedIn + Twitter monitoring
  • AI relevance scoring
  • AI reply generation
  • Company data enrichment
  • Advanced filtering

Enterprise-grade infrastructure, hobby-project simplicity

Built on the same infrastructure that powers Hazelbase's commercial customers. Your webhooks are delivered reliably with automatic retries, and our monitoring runs 24/7 without interruption.

We handle millions of Reddit comments daily, so your keyword matches are caught the moment they happen. No delays, no missed mentions, no babysitting required.

3.2s
Average delivery time
99.9%
Uptime

Start monitoring Reddit in 30 seconds

Free forever. No credit card. No installation.