# WebLens, pay as you go: Tech stack API

> What a site is built and run on, from a single fetch: frameworks, CMS, ecommerce platform, CDN, analytics, payments, support widgets and web server - each with the header or HTML marker that proves it.

WebLens's Pay per call (x402) plan for the tech stack API costs $5.00 per 1,000 companies. WebLens's docs list 3 of the 13 fields on our checklist: Technology, Categories, When and where seen.
We haven't run WebLens through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
We rank 390 plans for tech stack APIs by price. Half the plans cost $5.663 or less per 1,000 companies. This plan costs less per 1,000 companies than 50% of the 390 plans.
[cl0q's $50 monthly plan](https://datacircle.dev/company-technology-apis/cl0q/50-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: $0.0042. [Enterno's ₽2,511 yearly plan](https://datacircle.dev/company-technology-apis/enterno/2511-yearly-explorer-get-api-v4-cms/llms.txt) costs the least for 10,000 companies a month: about $2.50.
[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 cl0q's $50 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/weblens/pay-as-you-go
- [Company technologies API: tech stack APIs compared](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://api.weblens.dev/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `POST https://api.weblens.dev/tech`
- API key: not needed
- Its API docs: https://api.weblens.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing#tag/intelligence/POST/tech
- Sold by: WebLens (https://api.weblens.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-08

## In the answer

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

## Price

- $ per 1,000 companies: $5.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: What a site is built and run on, from a single fetch: frameworks, CMS, ecommerce platform, CDN, analytics, payments, support widgets and web server - each with the header or HTML marker that proves it.

## Data

- Keep data: no limit
- Use data: Use the service lawfully. You are responsible for what you do with the content you retrieve, including copyright, database rights, the target site's terms, and data-protection law for any personal data in it. For that data, you are the controller. Do not use the service to attack, overload or gain unauthorised access to any system. Do not bypass access controls or paywalls, collect credentials, or send spam.

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: url
- Method: POST
- Path: /tech

## About the plan

- Plan: Pay per call (x402)
- Who can get it: anyone, with no account or API key, paying each call in USDC on Base or Solana from a wallet (x402)

## The 12 fields the plan's answer can hold

url, final URL, HTTP status, server, powered by, generator, technology name, technology category, technology evidence, technology categories, detected at, request ID

## WebLens's plans (1)

- [WebLens, pay as you go](https://datacircle.dev/company-technology-apis/weblens/pay-as-you-go/llms.txt): $5.00 per 1,000, 23% complete

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

- `POST /tech`: [WebLens, pay as you go](https://datacircle.dev/company-technology-apis/weblens/pay-as-you-go/llms.txt)

## WebLens's APIs (5)

- [WebLens: web scraping API pricing, 2 plans, POST /free/fetch](https://datacircle.dev/web-scraping-apis/weblens/free-post-free-fetch/llms.txt)
- [WebLens: web scraping API pricing, 2 plans, GET /r/{url}](https://datacircle.dev/web-scraping-apis/weblens/free-get-r-url/llms.txt)
- [WebLens: Hacker News search API pricing, 1 plan](https://datacircle.dev/hacker-news-search-apis/weblens/pay-as-you-go/llms.txt)
- [WebLens: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/weblens/pay-as-you-go/llms.txt)
- [WebLens: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/weblens/pay-as-you-go/llms.txt)
- [WebLens: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/weblens/pay-as-you-go/llms.txt)

## WebLens: tech stack API alternatives

- [HirePulse, pay as you go](https://datacircle.dev/company-technology-apis/hirepulse/pay-as-you-go/llms.txt): $5.00 per 1,000, 8% complete
- [The Swarm, $72,000 yearly](https://datacircle.dev/company-technology-apis/the-swarm/72000-yearly/llms.txt): $5.00 per 1,000, 38% complete, stored
- [Ambolt, pay as you go](https://datacircle.dev/company-technology-apis/ambolt/pay-as-you-go/llms.txt): $5.00 per 1,000, 8% complete, live
- [appin60, pay as you go](https://datacircle.dev/company-technology-apis/appin60/pay-as-you-go/llms.txt): $5.00 per 1,000, 8% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://api.weblens.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.weblens.dev/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.weblens.dev/discovery?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.weblens.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.weblens.dev/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.weblens.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.weblens.dev/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.weblens.dev/refunds?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.weblens.dev/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing