# OpenVerbs, pay as you go: Tech stack API

> Detect the technology stack a website runs on. Given a domain, returns the software and services it uses (CDN, analytics, frameworks, CMS, payment, hosting, security) grouped by category, plus a domain rank, last-seen date, country and public social links.

OpenVerbs's x402 per call plan for the tech stack API costs $50.00 per 1,000 companies. OpenVerbs's docs list 5 of the 13 fields on our checklist: Technology, About, Places, Rank, Contact.
We haven't run OpenVerbs 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 15% 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/openverbs/pay-as-you-go
- [Company technologies API: tech stack APIs compared](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://urltrust.openverbs.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `POST https://urltrust.openverbs.com/v1/techstack`
- API key: not needed
- Its API docs: https://urltrust.openverbs.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Sold by: OpenVerbs (https://openverbs.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 38%
- Technology: ✓
- About: ✓
- Places: ✓
- Rank: ✓
- Contact: ✓

## Price

- $ per 1,000 companies: $50.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $50.00

## In their words

- Their pitch: Detect the technology stack a website runs on. Given a domain, returns the software and services it uses (CDN, analytics, frameworks, CMS, payment, hosting, security) grouped by category, plus a domain rank, last-seen date, country and public social links.

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: POST
- Path: /v1/techstack

## About the plan

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

## The 14 fields the plan's answer can hold

found, domain, categories, technologies by category, technology stack, domain rank, last visited, country, language, page title, description, emails, phones, social links

## OpenVerbs's plans (1)

- [OpenVerbs, pay as you go](https://datacircle.dev/company-technology-apis/openverbs/pay-as-you-go/llms.txt): $50.00 per 1,000, 38% complete

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

- `POST /v1/techstack`: [OpenVerbs, pay as you go](https://datacircle.dev/company-technology-apis/openverbs/pay-as-you-go/llms.txt)

## OpenVerbs's APIs (9)

- [OpenVerbs: Amazon product API pricing, 1 plan](https://datacircle.dev/amazon-product-apis/openverbs/pay-as-you-go/llms.txt)
- [OpenVerbs: Amazon search API pricing, 1 plan](https://datacircle.dev/amazon-search-apis/openverbs/pay-as-you-go/llms.txt)
- [OpenVerbs: local business search API pricing, 1 plan](https://datacircle.dev/local-business-search-apis/openverbs/pay-as-you-go/llms.txt)
- [OpenVerbs: Google Shopping search API pricing, 1 plan](https://datacircle.dev/google-shopping-search-apis/openverbs/pay-as-you-go/llms.txt)
- [OpenVerbs: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/openverbs/pay-as-you-go/llms.txt)
- [OpenVerbs: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/openverbs/pay-as-you-go/llms.txt)
- [OpenVerbs: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/openverbs/pay-as-you-go/llms.txt)
- [OpenVerbs: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/openverbs/pay-as-you-go/llms.txt)
- [OpenVerbs: business verification API pricing, 1 plan, POST /v1/czechia](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-czechia/llms.txt)
- [OpenVerbs: business verification API pricing, 1 plan, POST /v1/finland](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-finland/llms.txt)
- [OpenVerbs: business verification API pricing, 1 plan, POST /v1/france](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-france/llms.txt)
- [OpenVerbs: business verification API pricing, 1 plan, POST /v1/latvia](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-latvia/llms.txt)
- [OpenVerbs: business verification API pricing, 1 plan, POST /v1/norway](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-norway/llms.txt)
- [OpenVerbs: business verification API pricing, 1 plan, POST /v1/poland](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-poland/llms.txt)

## OpenVerbs: tech stack API alternatives

- [WebTechSurvey, $500 pack, 10,000 credits, GET /v1/domaininfo](https://datacircle.dev/company-technology-apis/webtechsurvey/500-pack-10000-credits-get-v1-domaininfo/llms.txt): $50.00 per 1,000, 46% complete, 1 month
- [BuiltWith, top-up from $0.50, API credits with Stripe MPP, no account, GET /v26/api.json, Domain API](https://datacircle.dev/company-technology-apis/builtwith/top-up-from-0-50/llms.txt): $50.00 per 1,000, 85% complete, stored
- [Unstuckapi, $10 pack](https://datacircle.dev/company-technology-apis/unstuckapi/10-pack/llms.txt): $50.00 per 1,000, 38% complete, stored
- [BuyerCaddy, $1,000 monthly, Starter, POST /ai/find-techstacks-for-company](https://datacircle.dev/company-technology-apis/buyercaddy/1000-monthly-starter-post-ai-find-techstacks-for-company/llms.txt): $50.00 per 1,000, 8% complete
- [Cleanlist, $89 monthly](https://datacircle.dev/company-technology-apis/cleanlist/89-monthly/llms.txt): $59.333 per 1,000, 31% 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://openverbs.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://openverbs.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://urltrust.openverbs.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://urltrust.openverbs.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing