# Deepinfo, contact us: Tech stack API

> The Technology Lookup API takes a URL, loads the site in real time and detects what it runs on, from CMS and JavaScript libraries to CDN and analytics. Each technology comes back with its categories, its version when the site reveals it, and a CPE name.

Deepinfo's tech stack API on its Data & API plan. It returns 3 of the 13 key fields we check: Technology, Categories, When and where seen.
We haven't run Deepinfo through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
Deepinfo gives this plan's price on request. We rank 310 plans for tech stack APIs by price. Half the plans cost $8.90 per 1,000 companies or less.
[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/deepinfo/contact-us
- [Tech stack API: find a company's technologies](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://www.deepinfo.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `GET https://api.deepinfo.com/v1/lookup/technology`
- API key: with the plan, on https://www.deepinfo.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Its API docs: https://docs.deepinfo.com/reference/lookup/technology?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Sold by: Deepinfo (https://www.deepinfo.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 23%
- Technology: ✓
- Categories: ✓
- When and where seen: ✓

## Price

- Per: call
- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: The Technology Lookup API takes a URL, loads the site in real time and detects what it runs on, from CMS and JavaScript libraries to CDN and analytics. Each technology comes back with its categories, its version when the site reveals it, and a CPE name.

## Data

- Freshness: live
- Keep data: no limit
- Use data: You may not use the Services to: (a) scan, probe, or monitor infrastructure you do not own or have explicit authorization to assess, (b) violate applicable law, (c) infringe any third-party rights, (d) attempt to reverse-engineer the Services, or (e) use the Services to provide competing commercial services.

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: url. Optional: proxy
- Method: GET
- Path: /v1/lookup/technology

## About the plan

- Plan: Data & API
- Who can get it: anyone

## The 16 fields the plan's answer can hold

loaded URLs, technologies, technology slug, technology name, technology description, technology categories, technology confidence, technology version, technology numeric version, technology CPE, alternative CPE names, technology website, technology icon, connection status, result format version, checked at

## Deepinfo's plans (1)

- [Deepinfo, contact us](https://datacircle.dev/company-technology-apis/deepinfo/contact-us/llms.txt): 23% complete, live

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

- `GET /v1/lookup/technology`: [Deepinfo, contact us](https://datacircle.dev/company-technology-apis/deepinfo/contact-us/llms.txt)

## Deepinfo's APIs (2)

- [Deepinfo: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/deepinfo/contact-us/llms.txt)
- [Deepinfo: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/deepinfo/contact-us/llms.txt)

## Deepinfo: tech stack API alternatives

- [RankParse, contact us](https://datacircle.dev/company-technology-apis/rankparse/contact-us/llms.txt): 23% complete, live
- [TechnologyChecker, contact us, Enterprise, POST /v1/technology-lookup-live](https://datacircle.dev/company-technology-apis/technologychecker/contact-us-enterprise-post-v1-technology-lookup-live/llms.txt): 23% complete, live
- [ReefAPI, contact us](https://datacircle.dev/company-technology-apis/reefapi/contact-us/llms.txt): 23% complete, live
- [Saber, contact us, Launch](https://datacircle.dev/company-technology-apis/saber/contact-us-launch/llms.txt): 23% complete, live

## 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://docs.deepinfo.com/getting-started/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://docs.deepinfo.com/reference/lookup/technology?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.deepinfo.com/data-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.deepinfo.com/data-api/apis/technology-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.deepinfo.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.deepinfo.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing