# Klazify, $39.99 monthly: Tech stack API

> Detect the technology stack of any website. CMS, analytics, CDN, frameworks, and 150+ technologies.

Klazify's tech stack API on its Starter plan. It costs $79.98 per 1,000 companies. It returns none of the 13 key fields we check: Technology, Categories, When and where seen, Spend and 9 more.
We haven't run Klazify through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
Half of the 310 plans we rank by price cost $8.90 per 1,000 companies or less. This plan costs less per 1,000 companies than 11% of the 310 plans.
[Botoi's $199 monthly plan](https://datacircle.dev/company-technology-apis/botoi/199-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 companies a day.
[GetProspect's $49 monthly plan](https://datacircle.dev/company-technology-apis/getprospect/49-monthly/llms.txt) covers any number of companies. GetProspect's $49 monthly plan costs less up front than Botoi's $199 monthly plan.
[JobsPipe](https://datacircle.dev/company-technology-apis/jobspipe/149-monthly-growth-post-v1-stack-scan/llms.txt), [DetectZeStack](https://datacircle.dev/company-technology-apis/detectzestack/79-monthly-mega-get-analyze/llms.txt) and [GetProspect](https://datacircle.dev/company-technology-apis/getprospect/49-monthly/llms.txt) are the best tech stack API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-technology-apis/klazify/39-99-monthly
- [Tech stack API: find a company's technologies](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://www.klazify.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing#pricing
- Request: `POST https://www.klazify.com/api/domain_tech`
- API key: with the plan, on https://www.klazify.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing#pricing
- Its API docs: https://www.klazify.com/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing#tech
- Sold by: Klazify (https://klazify.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 companies: $79.98
- Per: call
- Billing: monthly
- $ a month: $39.99

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Discovery API · Categorization API · Real-Time Classification API · IAB Categories API · Company Data API · Logo API · Domain Expiration API · Social Media API · Similar Domains API · Category Lists API

## Overage

- $ per 1,000 companies: $127.968
- Units cap: soft

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Detect the technology stack of any website. CMS, analytics, CDN, frameworks, and 150+ technologies.

## Data

- Freshness: stored
- Keep data: Commercial use only while a paid subscription is active, after it ends you must cease commercial use unless you buy a Lifetime License
- Use data: The Free plan cannot be used for any commercial or public use or redistribution. Only the responses generated using a paid subscription are licensed to allow public and commercial purposes. [...] We grant you a nonexclusive, non-sublicensable worldwide license to access and use The Product. You may not: share access keys with third parties, use The Product for illegal activity, or sell, rent, lease, or sublicense your rights. [...] Commercial use of data obtained through The Product is authorized only while you maintain an active paid subscription. Once the subscription ends, you must cease commercial use. To retain rights beyond the subscription period, you must acquire a Lifetime License. [...] Users may not use data from The Product to create, train, support, or commercialize a competing API, software, database, or service. [...] Responses provided during the Free Trial are for personal and trial use only.

## Plan

- Pay: $39.99
- You get: 500 requests a month
- Enough for: 500 calls a month

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: one of url or email. Optional: refresh
- Method: POST
- Path: /api/domain_tech

## About the plan

- Plan: Starter
- Who can get it: anyone

## The 3 fields the plan's answer can hold

domain, technology, last scanned

## Klazify's plans (13)

- [Klazify, $39.99 monthly](https://datacircle.dev/company-technology-apis/klazify/39-99-monthly/llms.txt): $79.98 per 1,000, 0% complete, stored
- [Klazify, $89 monthly](https://datacircle.dev/company-technology-apis/klazify/89-monthly/llms.txt): $44.50 per 1,000, 0% complete, stored
- [Klazify, $399 monthly](https://datacircle.dev/company-technology-apis/klazify/399-monthly/llms.txt): $39.90 per 1,000, 0% complete, stored
- [Klazify, $790 monthly](https://datacircle.dev/company-technology-apis/klazify/790-monthly/llms.txt): $31.60 per 1,000, 0% complete, stored
- [Klazify, $1,390 monthly](https://datacircle.dev/company-technology-apis/klazify/1390-monthly/llms.txt): $27.80 per 1,000, 0% complete, stored
- [Klazify, $2,370 monthly](https://datacircle.dev/company-technology-apis/klazify/2370-monthly/llms.txt): $11.85 per 1,000, 0% complete, stored
- [Klazify, $399.99 yearly](https://datacircle.dev/company-technology-apis/klazify/399-99-yearly/llms.txt): $66.665 per 1,000, 0% complete, stored
- [Klazify, $890 yearly](https://datacircle.dev/company-technology-apis/klazify/890-yearly/llms.txt): $37.083 per 1,000, 0% complete, stored
- [Klazify, $3,990 yearly](https://datacircle.dev/company-technology-apis/klazify/3990-yearly/llms.txt): $33.25 per 1,000, 0% complete, stored
- [Klazify, $7,900 yearly](https://datacircle.dev/company-technology-apis/klazify/7900-yearly/llms.txt): $26.333 per 1,000, 0% complete, stored
- [Klazify, $13,900 yearly](https://datacircle.dev/company-technology-apis/klazify/13900-yearly/llms.txt): $23.167 per 1,000, 0% complete, stored
- [Klazify, $23,700 yearly](https://datacircle.dev/company-technology-apis/klazify/23700-yearly/llms.txt): $9.875 per 1,000, 0% complete, stored
- [Klazify, contact us](https://datacircle.dev/company-technology-apis/klazify/contact-us/llms.txt): 0% complete, stored

## Klazify's calls for this API (1)

- `POST /api/domain_tech`: [Klazify, $39.99 monthly](https://datacircle.dev/company-technology-apis/klazify/39-99-monthly/llms.txt)

## Klazify's APIs (4)

- [Klazify: company discovery API pricing, 13 plans](https://datacircle.dev/company-discovery-apis/klazify/39-99-monthly/llms.txt)
- [Klazify: company enrichment API pricing, 13 plans](https://datacircle.dev/company-enrichment-apis/klazify/39-99-monthly/llms.txt)
- [Klazify: similar companies API pricing, 13 plans](https://datacircle.dev/similar-company-apis/klazify/39-99-monthly/llms.txt)
- [Klazify: tech stack API pricing, 13 plans](https://datacircle.dev/company-technology-apis/klazify/39-99-monthly/llms.txt)

## Klazify: tech stack API alternatives

- [W3Techs, €200 monthly](https://datacircle.dev/company-technology-apis/w3techs/200-monthly/llms.txt): $75.02 per 1,000, 15% complete, stored
- [The Swarm, $199 monthly](https://datacircle.dev/company-technology-apis/the-swarm/199-monthly/llms.txt): $79.60 per 1,000, 38% complete, stored
- [Coresignal, $10,800 yearly](https://datacircle.dev/company-technology-apis/coresignal/10800-yearly/llms.txt): $84.00 per 1,000, 8% complete, stored
- [BuiltWith, $99 pack, API Credits, GET /v26/api.json, Domain API, full](https://datacircle.dev/company-technology-apis/builtwith/99-pack-api-credits-get-v26-api-json-domain-api-full/llms.txt): $99.00 per 1,000, 85% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

- https://www.klazify.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.klazify.com/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.klazify.com/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.klazify.com/pages/policies?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.klazify.com/pages/tech-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing