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TechnologyChecker pricing and alternatives: tech stack API, GET /v1/domain/{domain}

TechnologyChecker's sitellms.txtBest tech stack API in 2026

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23% complete: 3 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 companiesWe rank 193 plans by price. Botoi's $199 monthly plan costs the least per 1,000 companies: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 companies a day.Store Leads's $250 monthly plan (/json/api/v1/all/domain/bulk) covers any number of companies. Store Leads's $250 monthly plan costs more to start than Botoi's $199 monthly plan.JobsPipe, Botoi and DetectZeStack are the best tech stack API providers in our benchmark.
Plan: Free one of TechnologyChecker's 6 plans
Call: GET /v1/domain/{domain} one of TechnologyChecker's 5 calls for this API
API: Tech stack API one of TechnologyChecker's 3 APIs

About this item

  • Stored. You get technologies from TechnologyChecker's database. TechnologyChecker doesn't say how old the data is.
  • 3 of the 13 key fields we check. Technology, Categories, When and where seen.
  • Nothing to pay. You get 100 credits a month, enough for 100 calls. Unused credits expire at the monthly reset, credits don't roll over.
  • One call. You send domain to GET /v1/domain/{domain}. The call returns the technologies the company uses.
  • Who can get it: with conditions. Keep data: with conditions. Use data: with conditions.

TechnologyChecker: tech stack API alternatives

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

TechnologyChecker, $2,490 yearly, Scale, GET /v1/domain/{domain}DetectZeStack, $29 monthly, Ultra, GET /changesTomba, $49 monthlyThe Swarm, $96,000 yearlySkrapp, $13,488 yearly, Enterprise 500K, POST /api/v3/companies/bulk-enrich
$ per 1,000 companies$4.15$2.90$3.267$4.00$4.496
Completeness23%15%15%38%23%
Billingyearlymonthlymonthlyyearlyyearly
Pay$2,490$29$49$96,000$13,488
Enough for50,000 calls a month10,000 calls a month15,000 calls a month24,000,000 results a year250,000 results a month
Freshnessstoredstoredstoredstoredstored
Who can get itanyone 18 or overanyone with an account (a valid email address)anyone 18 or overanyone over 18anyone 18 or over

Every 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 2026-10-20.

  1. technologychecker.io/docs/api-reference/credits
  2. technologychecker.io/docs/api-reference/domain-technologies/get-domain-technologies-api
  3. technologychecker.io/docs/api-reference/openapi.json
  4. technologychecker.io/docs/api-reference/rate-limits
  5. technologychecker.io/docs/features/our-data
  6. technologychecker.io/pricing
  7. technologychecker.io/terms-of-use

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
  • 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 forSignal types index · List alerts API · Create alert API · Get alert API · Update alert API · Delete alert API · Test alert delivery API: roughly 10 per hour per key · Alert delivery log API · Create audience API: uploads are free · List audiences API · Get audience API · Update audience API: renaming is free · Delete audience API · List audience members API · Search technologies for lead lists API · Technology ID map API · Preview lead list count API · List lead lists API · Preview lead list API · Export lead list API · Delete lead list API · from the same budget: Domain history · Domain tech changes · Find domains by technology · Technology lookup / search · Technology stats API · Technology usage trends API · Market share · Get companies by technology · Company lookup · Company search · Batch company lookup (1 per domain) · Adoption and churn signals API · Competitive switch API · Category whitespace API · Audience technology report · Audience breakdown · Segment technology stats · Build a computed audience · Live technology lookup · AI extractor · Create lead list API (1 per delivered row) · Export signals to CSV API (1 per exported row) · Churn validation · Audience refresh crawl · Alert crawl cadence
Not found
$ per 1,000$0.00
In their words
Their pitchLook up the active and historical technologies detected on any domain. Returns the full technology stack including category, first/last seen dates, and subdomain information.
Data
Freshnessstored
Keep dataCached data must be refreshed at intervals consistent with your subscription plan
Use dataYou may integrate API data into your internal business applications, CRM systems, and workflows [...] You may not redistribute raw API data to third parties or make it publicly accessible without our written consent [...] You may not use API data to create a competing technology detection service or database [...] You must comply with all applicable data protection laws when processing personal data obtained through the API [...] The following activities are strictly prohibited: [...] Reselling, redistributing, sublicensing, or otherwise making the Service or its data available to third parties without our prior written consent [...] Using the Service or its data to build a competing product, service, or database [...] Using the Service to send unsolicited commercial communications (spam), including bulk emails, cold calls, or messages to contacts obtained through the Service without a legitimate legal basis
Plan
Pay$0
You get100 credits a month
Enough for100 calls a month
Expiresat the monthly reset, credits don't roll over
Rate limit
Per second1
Batch1
Speed
Answerin the call
Median0.42 s
The call
You senddomain
MethodGET
Path/v1/domain/{domain}
About the plan
PlanFree
Who can get itanyone 18 or over, for individual evaluation: the free plan may not be used for commercial-scale operations
The 8 fields the plan's answer can hold

domain, technologies, technology ID, technology category, technology status, technology first seen, technology last seen, subdomains

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