VendorStacks vs Apify tech-stack actors
An actor is a component you operate and whose continuity you carry; each is an independent developer's work with unverified reliability. We are a maintained API with a price list and a support address.
Side by side
| VendorStacks | Apify tech-stack actors | |
|---|---|---|
| What it is | A vendor-stack and subprocessor-disclosure API: give it a domain and it returns the vendors that company publicly discloses; give it a vendor and it returns the companies that disclose it. | A general scraping platform whose marketplace hosts third-party 'actors' that detect a site's technology stack. Apify is infrastructure and a marketplace, not a data provider. |
| Data source | Parses what companies publish about themselves — subprocessor lists, DPAs and vendor disclosures — and returns the quoted source row behind every match. | Whatever each actor implements — typically a live HTTP fetch plus fingerprint matching, often reusing open-source fingerprint rulesets. One representative actor analyses HTML, scripts, meta tags, headers and DNS, and notes that client-side-loaded technology may go undetected.source |
| Pricing | 1 credit per lookup, flat. Packs at $10 / $50 / $250. 25 free credits on signup, 5 free live scans a day, no annual contract and no sales call. | Platform pricing is published and self-serve; each actor sets its own price on top.
|
| API access | Public REST API, self-serve key at signup, plus bulk endpoints and completion webhooks. | Full REST API for running actors, usable within the free plan's usage allowance.source |
When Apify tech-stack actors is the better choice
Flexibility. If you need a custom pipeline, or to combine tech detection with arbitrary scraping, a platform beats a fixed endpoint.
When VendorStacks is
When the vendor you care about is behind the product rather than in front of it, and when you need the evidence rather than a confidence score. Every match we return carries the sentence the company published, so it can be checked rather than trusted. And when you want to try it without a call: 25 free credits at signup, $10 for 1,100 lookups after that.
curl "https://api.vendorstacks.com/v1/check?url=stripe.com" \ -H "Authorization: Bearer vr_live_…"
Facts about Apify tech-stack actors are quoted from their own public pages, linked above, and were last checked on 2026-08-09. Nothing here is estimated: where Apify tech-stack actors does not publish something, this page says so. If a detail is out of date, tell us and we will correct it.