Start free with 100 scans/day. Upgrade when you need volume, batch scanning, or webhooks. No credit card required.
Enterprise tools charge enterprise prices. We don't.
| Feature | Wappalyzer ($250/mo) | BuiltWith ($295/mo) | StackPeek (from $9/mo) |
|---|---|---|---|
| API starting price | $250/mo | $295/mo | $9/mo |
| Free tier | 50 lookups/mo | None | 100 lookups/day (3,000/mo) |
| Response time | 2-5s | 3-10s | <500ms |
| Batch scanning | Paid only | Paid only | From $9/mo |
| Technologies | 7,000+ | 100,000+ | 120+ |
| Setup complexity | API key + SDK | API key + SDK | One GET request |
| Webhooks | Enterprise only | Enterprise only | Pro plan ($29/mo) |
| Contract required | Annual | Annual | None. Cancel anytime. |
Yes. StackPeek's free tier includes 100 scans per day with access to all 120+ technology detections. No credit card required. You get full JSON responses with confidence scores. The free tier is rate limited to 100 requests per minute.
StackPeek is dramatically cheaper. Wappalyzer's API starts at $250/month and BuiltWith starts at $295/month. StackPeek starts at $9/month — that's 28x cheaper than Wappalyzer and 33x cheaper than BuiltWith. All plans include the same core detection engine.
Yes. You can upgrade or downgrade at any time. When you upgrade, you get immediate access to the new plan's features and scan limits. Downgrades take effect at the start of your next billing cycle. No long-term contracts or cancellation fees.
If you exceed your monthly scan limit, API requests will return a 429 status code. You won't be charged overage fees. You can upgrade your plan at any time for more scans, or wait until the next billing cycle when your limit resets.
No. The free tier requires no credit card and no payment information. Just start making API requests. When you're ready to upgrade for more scans and features like batch scanning, you can subscribe through our secure Stripe checkout.
Start with 100 free scans per day. No credit card. No setup. One GET request.
Try it free