# WebReveal, free: Tech stack API

> Instantly detect the technology stack powering any website.

WebReveal's tech stack API on its Free (unauthenticated) plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Technology, Categories.
You get up to 14,400 calls a month.
We rank 193 plans by price. [Botoi's $199 monthly plan](https://datacircle.dev/company-technology-apis/botoi/199-monthly/llms.txt) 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)](https://datacircle.dev/company-technology-apis/store-leads/250-monthly-pro-post-json-api-v1-all-domain-bulk/llms.txt) covers any number of companies. Store Leads's $250 monthly plan costs more to start than Botoi's $199 monthly plan.
[JobsPipe](https://datacircle.dev/company-technology-apis/jobspipe/348-monthly-scale-post-v1-stack-scan/llms.txt), [Botoi](https://datacircle.dev/company-technology-apis/botoi/9-monthly/llms.txt) and [DetectZeStack](https://datacircle.dev/company-technology-apis/detectzestack/79-monthly-mega-get-analyze/llms.txt) are the best tech stack API providers in our benchmark.

- This page: https://datacircle.dev/company-technology-apis/webreveal/free
- [Best tech stack API in 2026](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://webreveal.io/bulk-scanner.html
- Request: `POST https://webreveal.io/api/scan`
- API key: not needed
- Its API docs: https://webreveal.io/documentation.html
- Sold by: WebReveal (https://webreveal.io)
- Checked: 2026-10-28

## In the answer

- Completeness: 15%
- Technology: ✓
- Categories: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Instantly detect the technology stack powering any website.

## Data

- Freshness: live
- Keep data: no limit
- Use data: You agree to: Use the service only for lawful purposes, Only submit URLs for websites that you own or for which you have explicit authorisation to scan, Not use the service to access, probe, or harvest protected, private, or proprietary content without the website owner's permission, Not attempt to bypass any security measures, access controls, or robots.txt restrictions, Not use the service to harm or abuse others, Respect rate limits and usage restrictions. [...] Except where expressly permitted in writing by Web Reveal, you may not copy, modify, distribute, host, sublicense, rent, lease, sell, or create derivative works of the software, its code, data, or accompanying materials. [...] No redistribution, sublicensing, or resale without prior written consent. [...] Commercial use requires an active agreement with Web Reveal.

## Plan

- Pay: $0
- Enough for: 14,400 calls a month

## Rate limit

- Per second: 0.0056
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: url, Content-Type header "application/json"
- Method: POST
- Path: /api/scan

## About the plan

- Plan: Free (unauthenticated)
- Who can get it: anyone

## The 7 fields the plan's answer can hold

success, total technologies, report URL, technologies, technology category, technology version, technology evidence

## WebReveal's plans (3)

- [WebReveal, free](https://datacircle.dev/company-technology-apis/webreveal/free/llms.txt): $0.00 per 1,000, 15% complete, live
- [WebReveal, $49 pack](https://datacircle.dev/company-technology-apis/webreveal/49-pack/llms.txt): $49.00 per 1,000, 15% complete, live
- [WebReveal, $19.99 monthly](https://datacircle.dev/company-technology-apis/webreveal/19-99-monthly/llms.txt): $19.99 per 1,000, 15% complete, live

## WebReveal's calls (1)

- `POST /api/scan`: [WebReveal, free](https://datacircle.dev/company-technology-apis/webreveal/free/llms.txt)

## WebReveal's APIs (1)

- [WebReveal: tech stack API pricing, 3 plans](https://datacircle.dev/company-technology-apis/webreveal/free/llms.txt)

## WebReveal: tech stack API alternatives

- [Wappalyzer, $4,500 yearly](https://datacircle.dev/company-technology-apis/wappalyzer/4500-yearly/llms.txt): $18.75 per 1,000, 85% complete, live
- [RichAPI, $100 pack, Starter, POST /web_tech_stack](https://datacircle.dev/company-technology-apis/richapi/100-pack/llms.txt): $20.00 per 1,000, 8% complete, live
- [TechnologyChecker, $2,490 yearly, Scale, POST /v1/technology-lookup-live](https://datacircle.dev/company-technology-apis/technologychecker/2490-yearly-scale-post-v1-technology-lookup-live/llms.txt): $20.75 per 1,000, 23% complete, live
- [Strale, pay as you go, x402 (USDC on Base), GET /x402/tech-stack-detect](https://datacircle.dev/company-technology-apis/strale/pay-as-you-go-x402-usdc-on-base-get-x402-tech-stack-detect/llms.txt): $32.40 per 1,000, 8% 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 2026-10-28.

- https://webreveal.io
- https://webreveal.io/bulk-scanner.html
- https://webreveal.io/documentation.html
- https://webreveal.io/license.html
- https://webreveal.io/terms.html