Datacircle

KnowFirst pricing: tech stack API

KnowFirst's siteThis page as plain textTech stack API: find a company's technologiesKnowFirst: tech stack API alternatives

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15% complete: 2 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 companiesWe haven't run KnowFirst through our tech stack API benchmark yet.This plan is free. We rank 354 plans for tech stack APIs by price. Half the plans cost $7.96 per 1,000 companies or less.cl0q's $50 monthly plan is the cheapest paid plan per 1,000 companies: $0.0042.GetProspect's $49 monthly plan covers any number of companies. GetProspect's $49 monthly plan costs less up front than cl0q's $50 monthly plan.JobsPipe, DetectZeStack and GetProspect are the best tech stack API providers in the Datacircle benchmark.
Type a number to see the cheapest KnowFirst plan for that many companies. The table below then sorts the other plans by what each costs.
Plan: Free one of KnowFirst's 8 plans
Call: GET /business/view/tech_stack KnowFirst's only call for this API
API: Tech stack API one of KnowFirst's 6 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 13 key fields we check. Technology, Categories.
  • Nothing to pay. You get 20 credits, enough for 20 calls.
  • One call. You call GET /business/view/tech_stack. You send one of id, abn, acn, nzbn, url or stockcode. The call returns the technologies the company uses.
  • Anyone can get it. Keep data: with conditions. Use data: with conditions.

KnowFirst: tech stack API alternatives

KnowFirst alternatives: other tech stack API providers by price

The table starts with KnowFirst's cheapest paid plan. Next come plans from other providers with the price per 1,000 companies closest to KnowFirst's. We also show the Ful.io plan. Its price is farther from the price of KnowFirst's cheapest paid plan.

KnowFirst, A$3,600 yearlyFul.io, $199 monthlyRichAPI, $100 pack, Starter, POST /website_intelligenceBuiltWith, top-up from $0.50, API credits with Stripe MPP, no account, GET /v26/api.json, Domain API, fullFokals, top-up from $5WebTechSurvey, $1,250 yearly, Professional, GET /v1/scan
$ per 1,000 companies$104.382$99.50$100.00$100.00$100.00$104.167
Completeness15%46%8%85%15%15%
Billingyearlymonthlypay firstpay firstpay firstyearly
PayA$3,600$199$100$0.50$5$1,250
Enough for24,000 calls a year2,000 calls a month1,000 calls5 results50 calls1,000 calls a month
Freshnessunknownunknownlivestored1 daylive
Who can get itanyoneanyoneanyonebusinesses: BuiltWith does not provide or sell data services to consumers, no account or API key, paying with a Stripe MPP card tokenbusinesses and professionals, 18 or overanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-06.

  1. app.knowfirst.ai/docs/api
  2. cdn.knowfirst.ai/api/spec/knowfirst-v1.yaml
  3. knowfirst.ai/api
  4. knowfirst.ai/pricing
  5. knowfirst.ai/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 forfrom the same budget: GET /business/list · GET /business/list/{views} · GET /business/enrich · GET /business/view/{views} · GET /business/view/overview · GET /business/view/locations · GET /business/view/socials · GET /business/view/ads · GET /business/view/organic · GET /business/view/directories · GET /business/view/domains · GET /business/view/jobs · GET /business/view/people · GET /business/view/salaries · GET /business/view/news · GET /business/view/contracts · GET /business/view/trademarks · GET /business/view/awards · GET /business/view/customer_reviews · GET /business/view/employee_reviews · GET /business/view/feed · GET /business/view/related · GET /domain/list/{views} · GET /person/list · GET /person/view/{id} · GET /person/view · GET /location/list · GET /business/suggestions · POST /business/list/export · GET /person/list/export
Not found
$ per 1,000$0.00
In their words
Their pitchA business's website tech stack.
Data
Keep datayou must not [...] store [...] any part of the Website and API [...] without prior written consent from us
Use datayou must not in any form or by any means copy, adapt, reproduce (other than for the purpose of viewing the Website and API in your browser), store, modify, distribute, print, upload, display, publish or create derivative works from any part of the Website and API or commercialise any information obtained from any part of the Website and API without prior written consent from us [...] You acknowledge and agree that you will: [...] h) not alter, modify, decompile, disassemble, reverse engineer, sublicense or change any software that underpins the Website and API, i) not purport to grant to a third party any right to access or use our Website and API except as permitted by us [...] You acknowledge that you must: a) not resupply the Website and API to third parties, or permit third parties to access the Website and API [...] You agree that you will only use and disclose any personal information that you access through the Website and API in a manner that would be permitted under the Privacy Act 1988 (Cth) by an APP entity
Plan
PayA$0
You get20 credits
Enough for20 calls
Rate limit
Per day50,000
Batch1
Speed
Answerin the call
The call
You sendone of id, abn, acn, nzbn, url or stockcode
MethodGET
Path/business/view/tech_stack
About the plan
PlanFree
Who can get itanyone
The 9 fields the plan's answer can hold

business ID, domain, domain screenshot, domain contact email, technology category, technology name, technology description, technology logo, next token

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