Datacircle

DetectZeStack pricing and alternatives: cached tech stack API, GET /changes

DetectZeStack's sitellms.txtBest cached tech stack API in 2026
15% complete: 2 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 companiesThe cheapest of the 113 plans we rank by price is DetectZeStack, $79 monthly, Mega, POST /analyze/batch, at $0.158 per 1,000 companies.Tomba, DetectZeStack and WhatCMS are the best cached tech stack API providers in our benchmark.
Plan: Free one of DetectZeStack's 4 plans
Call: GET /changes one of DetectZeStack's 6 calls for this API
API: Cached tech stack API one of DetectZeStack's 3 APIs

About this item

  • Stored. You get technologies from DetectZeStack's database. DetectZeStack doesn't say how old its data is.
  • 2 of the 13 key fields we check. Technology, Categories.
  • Nothing to pay. You get 100 requests a month. Unused requests expire at the start of each calendar month.
  • One call. You call GET /changes. You can send domain, but you don't have to.
  • 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 tech stack API alternatives

The table starts with DetectZeStack's cheapest paid plan. Next come plans from other providers with the price per 1,000 companies closest to DetectZeStack's. Each plan in the table gives stored data.

DetectZeStack, $79 monthly, Mega, GET /changesWhatCMS, $80 monthly, 50,000 Detections, GET /API/TechTomba, $199 monthlyThe Swarm, $96,000 yearlyTechnologyChecker, $2,490 yearly, Scale, GET /v1/domain/{domain}/history
$ per 1,000 companies$1.58$1.60$1.658$4.00$4.15
Completeness15%23%15%38%23%
Billingmonthlymonthlymonthlyyearlyyearly
Pay$79$80$199$96,000$2,490
Enough for50,000 calls a month50,000 calls a month120,000 calls a month24,000,000 results a year50,000 calls a month
Freshnessstoredstoredstoredstoredstored
Who can get itanyone with an account (a valid email address)anyone with an account, one account eachanyone 18 or overanyone over 18anyone 18 or over

Every cached tech stack 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.

  • Technology
  • Categories
  • When and where seen, not in the answer
  • Spend, not in the answer
  • Apps, not in the answer
  • About, not in the answer
  • Size, not in the answer
  • Places, not in the answer
  • Traffic, not in the answer
  • Rank, not in the answer
  • Contact, not in the answer
  • Social, not in the answer
  • Reviews, not in the answer
Price
$ per 1,000 companies$0.00
Percall
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 · Check if a website uses a specific technology · Reverse technology lookup — find sites using a 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 pitchThe /changes API gives you a queryable feed of every technology change, with tier-gated history up to 365 days.
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 calls a month
Expiresat the start of each calendar month
Rate limit
Per second5
Batch1
Speed
Answerin the call
The call
You sendnothing required. Optional: domain
MethodGET
Path/changes
About the plan
PlanFree
Who can get itanyone with an account (a valid email address), no credit card
The 9 fields the plan's answer can hold

change ID, domain, technology name, change type, technology category, previous version, new version, snapshot ID, change date

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