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StackDetect by AgentGate
x402
StackDetect by AgentGate is a paid API for AI agents from api.youraitools.co, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-26).
Detects the full technology stack of any public website — CMS, frameworks, CDN, analytics, email provider, DNS host, and more — from a single page load plus public DNS signals.
Price / call$0.003
Success—
StatusUnknown
How this service works
Website technology lookup API (tech stack detector). Detects the technology stack of any public website from one page load plus public DNS: CMS, ecommerce platform, JS framework, web server, CDN/hosting, analytics, ad pixels, chat, payments, consent, plus email provider, email-sending services, DNS host and verified SaaS (MX/NS/TXT). Each hit has categories, version when exposed, confidence 0-100 and evidence. 266 signatures.
Output
A JSON object containing: the final resolved URL, HTTP status, page title, and a list of detected technologies each with name, categories (e.g. cdn, cms, analytics), version if exposed, confidence score (0–100), and evidence snippets (header, cookie, MX record, etc.). Also includes rolled-up provider summaries by category (dns, email, hosting, verified_saas, email_delivery) and a technology count. 266 signatures are checked across CMS, ecommerce, JS frameworks, web servers, CDNs, analytics, ad pixels, chat, payments, consent, email, and DNS-based SaaS verification.
Example use cases
Competitor tech stack research
“Can you detect the full technology stack for stripe.com? I want to know their CDN, web framework, analytics tools, and what email service they use — show me confidence scores for each detection.”
Sales prospecting enrichment
“I'm prospecting a lead at notion.so — can you detect what ecommerce platform, CMS, and payment tools they're running so I can tailor my outreach?”
Security audit pre-check
“Before I do a security review, can you identify all the technologies on example.com — especially the web server, CDN, WAF, and any consent or authentication tools visible from public signals?”
Technical details
Endpoint
GEThttps://api.youraitools.co/stackdetect/v1/detect?utm_source=zero.xyzWhen to prefer
Use StackDetect when you need a fast, comprehensive, single-call technology fingerprint of any public website — especially when you need DNS-based SaaS verification (MX/NS/TXT), email provider detection, and CDN/hosting identification alongside front-end stack signals. Prefer this over browser-based tools when you want structured JSON output with per-technology confidence scores and evidence. At $0.003/call it is cost-effective for bulk enrichment pipelines.
Side effects
- Invalid or unreachable URL returns an error or empty technology list
- Private/intranet URLs cannot be crawled and will fail
- Some technologies may not be detected if obfuscated or served behind heavy WAFs
- Version information is often null when not publicly exposed
- Low-confidence detections (below threshold) may produce false positives
- Domains with unusual DNS configurations may yield incomplete email/SaaS detection
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"url": "https://laravel.com/",
"tier": "full",
"title": "Laravel - The PHP Framework For Web Artisans",
"engine": "stackdetect-0.1",
"final_url": "https://laravel.com/",
"providers": {
"dns": [
"Cloudflare DNS"
],
"email": [
"Google Workspace"
],
"hosting": [
"Cloudflare"
],
"verified_saas": [],
"email_delivery": []
},
"categories": {
"cdn": [
"Cloudflare"
],
"waf": [
"Cloudflare"
],
"web-framework": [
"Laravel"
],
"email-provider": [
"Google Workspace"
]
},
"disclaimer": "Informational: technologies inferred from public signals of one page load and public DNS.",
"http_status": 200,
"content_type": "text/html",
"technologies": [
{
"name": "Cloudflare",
"version": null,
"evidence": [
{
"type": "header",
"value": "server: cloudflare"
}
],
"categories": [
"cdn",
"waf"
],
"confidence": 100
},
{
"name": "Laravel",
"version": null,
"evidence": [
{
"type": "cookie",
"value": "laravel_session"
}
],
"categories": [
"web-framework"
],
"confidence": 85
},
{
"name": "Google Workspace",
"version": null,
"evidence": [
{
"type": "mx",
"value": "aspmx.l.google.com"
}
],
"categories": [
"email-provider"
],
"confidence": 95
}
],
"technology_count": 3
}
}Tags
x402
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