stackscan.com valid

StackScan

StackScan is technographic intelligence on 399M+ websites: look up the

For agents: Technographic intelligence on 399M+ websites: tech stack lookup, keyword and custom scans, with OpenAPI docs, API, and an MCP server.

technographic datatech stack lookupwebsite technology detectionopenapimcp server

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-20T22:28:19.186Z. Cached copy · Source on stackscan.com

# StackScan

> StackScan is technographic intelligence on 399M+ websites: look up the
> technology stack behind any domain, find every website running a given
> technology, and pull company (firmographic) data for the business behind a
> site. Data comes from StackScan's own crawl and is refreshed in batches.

Pricing is credit-based: one Bulk Lookup Credit per resolved lookup. Lookups
that return no data are free. Plans and credit bundles: https://www.stackscan.com/pricing

## For agents and developers

- [API reference](https://api.stackscan.com/docs): every endpoint, with code
  samples in ~20 languages and a live test console
- [OpenAPI 3.1 document](https://api.stackscan.com/docs/openapi.json): machine-readable spec
- [API llms.txt](https://api.stackscan.com/llms.txt): plain-text endpoint
  summary for agents; a full field-level reference is at
  https://api.stackscan.com/llms-full.txt
- [MCP server](https://www.stackscan.com/mcp): npm `@stackscan/mcp-server`,
  registry `com.stackscan/mcp-server`. Six tools wrapping the API for Claude,
  Cursor and other MCP clients
- Authentication: Sanctum bearer token plus an `X-Tenant-Id` workspace header,
  both from the dashboard under My Accounts -> API Tokens

## Product pages

- [Tech Lookup](https://www.stackscan.com/tech-lookup): the stack behind one domain
- [Keyword Scan](https://www.stackscan.com/keyword-search): find sites by topic or niche
- [Custom Scan](https://www.stackscan.com/custom-scan): find sites by the files they serve.
  Search by file name, asset path or asset host across 399M+ websites. Built for
  security research: enumerate a specific vulnerable library build, or every site
  still loading assets from a compromised third-party host
- [Browse Technologies](https://www.stackscan.com/browse): explore stacks by category
- [Help Center](https://www.stackscan.com/docs): tools, API, MCP, credits and billing
- [Pricing](https://www.stackscan.com/pricing) and [FAQs](https://www.stackscan.com/faqs)
- [Contact](https://www.stackscan.com/contact)

Related sites

Other listed sites in Data and analytics. See the whole category →

Machine-readable: GET /v1/resolve?q=stackscan.com · GET /v1/domain/stackscan.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for stackscan.com:
1. POST https://agentwebmap.com/v1/sites/stackscan.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://stackscan.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/stackscan.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/stackscan.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

Corrections or removal requests: contact the directory.