Datacircle

DetectZeStack pricing and alternatives: cached company discovery API

DetectZeStack's sitellms.txtBest company discovery API in 2026
8% complete: 1 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 companiesThe cheapest of the 304 plans we rank by price is Deepline, top-up. Deepline's cached company discovery API costs nothing beyond the plan price.GetProspect, Hunter and Skrapp are the best cached company discovery API providers in our benchmark.
Plan: Free one of DetectZeStack's 4 plans
Call: GET /lookup DetectZeStack's only call for this API
API: Cached company discovery API one of DetectZeStack's 3 APIs

About this item

  • Stored. You get companies from DetectZeStack's database. DetectZeStack doesn't say how old its data is.
  • 1 of the 13 key fields we check. Technologies.
  • Nothing to pay. You get 100 requests a month, enough for 100 pages. Unused requests expire at the start of each calendar month.
  • One call. You send tech to GET /lookup. You can also send limit and offset. The call returns the matching companies.
  • Who can get it: anyone with an account (a valid email address), no credit card. Keep data: no limit. Use data: with conditions.

DetectZeStack: cached company discovery API alternatives

We list other providers' plans closest to this plan in price per 1,000 companies. Each plan in the table gives stored data.

This planDetectZeStack, freeGetProspect, freeHunter, free, Free, POST /discoverAnyAPI, free, Starting balance, POST /v1/run/company_search.prospeograph8, free
$ per 1,000 companies$0.00$0.00$0.00$0.00$0.00
Completeness8%62%54%85%69%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough for100 pages a monthno limitno limitabout 1 page, onceno limit
Freshnessstoredstoredstoredstoredstored
Who can get itanyone with an account (a valid email address), no credit cardanyone 16 or overanyone 18 or overone new account each: anyone 18 or over, for business or professional use, not in an embargoed jurisdiction or on a restricted-party listverified companies with a work email (personal addresses such as Gmail are not accepted), for internal business purposes

Every cached company discovery API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-27.

  1. detectzestack.com
  2. detectzestack.com/openapi.yaml
  3. detectzestack.com/pricing
  4. detectzestack.com/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Description, not in the answer
  • Industry, not in the answer
  • Type and status, not in the answer
  • Images, not in the answer
  • Technologies
  • Employees, not in the answer
  • Social profiles, not in the answer
  • Headquarters, not in the answer
  • Locations, not in the answer
  • Funding, not in the answer
  • Revenue and budgets, not in the answer
  • Parents, not in the answer
  • Phones, not in the answer
Price
$ per 1,000 companies$0.00
Perpage, size not stated
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forCreate a tech change alert watch: 1 weekly alert · from the same budget: Analyze a URL · Batch analyze multiple URLs · Compare technology stacks · Get technology history · Technology change feed · Check if a website uses a specific technology · Vulnerability scan — CVEs for detected technologies · Check TLS certificate · DNS lookup · Security headers analysis
Not found
$ per 1,000$0.00
In their words
Their pitchFind sites using a specific technology. The /lookup endpoint returns domains running Shopify, React, Cloudflare, or any of 7,300+ technologies from our scan database.
Data
Freshnessstored
Keep datano limit
Use dataYou agree not to use the Service to: Submit URLs you do not have a legitimate research, security, monitoring, or business reason to inspect. Attempt to overwhelm, denial-of-service, or otherwise abuse our infrastructure or any third-party site we resolve on your behalf. Use the Service to facilitate illegal activity, harass any individual or organization, or violate the rights of any third party. Reverse-engineer, decompile, or otherwise extract the source code of the Service beyond what is exposed via the public API. Resell or sublicense the Service without our written permission.
Plan
Pay$0
You get100 requests a month
Enough for100 pages a month
Expiresat the start of each calendar month
Rate limit
Per second5
Batch1
Speed
Answerin the call
The call
You sendtech. Optional: limit, offset
MethodGET
Path/lookup
About the plan
PlanFree
Who can get itanyone with an account (a valid email address), no credit card
The 6 fields the plan's answer can hold

domain, first seen date, last seen date, total results, technology name, response time

Best GTM APIs