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TechnologyChecker pricing and alternatives: company discovery API, GET /v1/signals/whitespace

TechnologyChecker's sitellms.txtBest company discovery API in 2026

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31% complete: 4 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 companiesWe rank 533 plans by price. Deepline's top-up costs the least per 1,000 companies. Deepline's company discovery API costs nothing beyond the plan price.GetProspect, Hunter and Skrapp are the best company discovery API providers in our benchmark.
Plan: Free one of TechnologyChecker's 6 plans
Call: GET /v1/signals/whitespace one of TechnologyChecker's 8 calls for this API
API: Company discovery API one of TechnologyChecker's 3 APIs

About this item

  • Stored. You get companies from TechnologyChecker's database. TechnologyChecker doesn't say how old the data is.
  • 4 of the 13 key fields we check. Industry, Type and status, Employees, Headquarters.
  • Nothing to pay. You get 100 credits a month, enough for 100 pages. Unused credits expire at the monthly reset, credits don't roll over.
  • One call. You call GET /v1/signals/whitespace. You send missing_category_id, one of technology_id, technology or category_id. The call returns the matching companies.
  • Who can get it: with conditions. Keep data: with conditions. Use data: with conditions.

TechnologyChecker: company discovery 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/signals/whitespacegraph8, $499 monthlyArgorant, $949 monthlyHunter, $6,935 yearly, Data Platform, 950,000 Search credits, POST /discoverThe Swarm, $96,000 yearly, Enterprise 20000, POST /v3/companies/search
$ per 1,000 companies$0.0042$0.00012$0.0018$0.0027$0.0031
Completeness31%69%62%54%0%
Billingyearlymonthlymonthlyyearlyyearly
Pay$2,490$499$949$6,935$96,000
Enough for50,000 pages a month43,200,000 pages a month5,184,000 pages a month2,160,000 pages a month2,592,000 pages a month
Freshnessstoredstoredstoredstoredstored
Who can get itanyone 18 or oververified companies with a work email (personal addresses such as Gmail are not accepted), for internal business purposesanyone at least 18 years old and able to form a binding contract, one account per customeranyone 18 or over (in India, businesses only)anyone over 18

Every 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 2026-10-26.

  1. technologychecker.io/docs/api-reference/credits
  2. technologychecker.io/docs/api-reference/openapi.json
  3. technologychecker.io/docs/api-reference/rate-limits
  4. technologychecker.io/docs/api-reference/signals/category-whitespace-api
  5. technologychecker.io/pricing
  6. 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.

  • Description, not in the answer
  • Industry
  • Type and status
  • Images, not in the answer
  • Technologies, not in the answer
  • Employees
  • Social profiles, not in the answer
  • Headquarters
  • 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 of 1,000
Billingfree
Aggregators
Aggregatorsnone
Charges
Most per search1,001,000
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 lookup · 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 · 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 pitchFind domains that run a qualifying anchor technology but no tool at all in a target category — greenfield prospecting, the inverse of adoption. Costs 1 credit.
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 pages a month
Expiresat the monthly reset, credits don't roll over
Rate limit
Per second0.17
Batch1
Speed
Answerin the call
The call
You sendmissing_category_id, one of technology_id, technology or category_id. Optional: min_confidence, limit, offset, country, city, state, industry, industry_code, employees, company_type, founded_min, founded_max, company, has_email, has_phone, social, language, web_country, segment_id
MethodGET
Path/v1/signals/whitespace
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 11 fields the plan's answer can hold

domain, company name, industry, industry code, employee count range, country, city, state, founded, company type, total results

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