# Nero Labs, pay as you go: Tech stack API

> Detects the technology behind up to 20 websites: CMS, ecommerce platform, analytics, tag managers, frameworks, hosting and CDN, payment and chat tools, with confidence per finding.

Nero Labs's x402 pay per call plan for the tech stack API costs $5.00 per 1,000 companies. We check each provider's docs for 13 fields. Nero Labs's docs list 3: Technology, Categories, When and where seen.
We haven't run Nero Labs through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
We rank 450 plans for tech stack APIs by price. Half the plans cost $7.155 or less per 1,000 companies. This plan costs less per 1,000 companies than 52% of the 450 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/nero-labs/pay-as-you-go
- [Company technologies API: tech stack APIs compared](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://x402-agent-tools.nerolabs.workers.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `POST https://x402-agent-tools.nerolabs.workers.dev/tech-stack`
- API key: not needed
- Its API docs: https://x402-agent-tools.nerolabs.workers.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing#/paths/~1tech-stack
- Sold by: Nero Labs (https://x402-agent-tools.nerolabs.workers.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-09

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Detects the technology behind up to 20 websites: CMS, ecommerce platform, analytics, tag managers, frameworks, hosting and CDN, payment and chat tools, with confidence per finding.

## Data

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

## Plan

- Pay: per call

## Rate limit

- Batch: 20

## Speed

- Answer: in the call

## The call

- You send: websites. Optional: technologies, categories, matchMode, keep, minConfidence, checkDns
- Method: POST
- Path: /tech-stack

## About the plan

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

## The 28 fields the plan's answer can hold

website, resolved website, domain, lookup status, lookup status detail, page title, page size, technology names, technology count, ecommerce platform, CMS, analytics, marketing automation, CRM, payment processors, hosting, email hosting, email sending, DNS provider, DNS-verified services, matches filter, technologies, technology name, technology category, technology confidence, fetched via, DNS checked, rendered with JavaScript

## Nero Labs's plans (1)

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

## Nero Labs's calls for this API (1)

- `POST /tech-stack`: [Nero Labs, pay as you go](https://datacircle.dev/company-technology-apis/nero-labs/pay-as-you-go/llms.txt)

## Nero Labs's APIs (6)

- [Nero Labs: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/nero-labs/pay-as-you-go/llms.txt)
- [Nero Labs: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/nero-labs/pay-as-you-go/llms.txt)
- [Nero Labs: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/nero-labs/pay-as-you-go/llms.txt)
- [Nero Labs: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/nero-labs/pay-as-you-go/llms.txt)
- [Nero Labs: business verification API pricing, 1 plan, POST /company/ireland](https://datacircle.dev/business-verification-apis/nero-labs/pay-as-you-go-x402-pay-per-call-post-company-ireland/llms.txt)
- [Nero Labs: business verification API pricing, 1 plan, POST /company/uk-risk-report](https://datacircle.dev/business-verification-apis/nero-labs/pay-as-you-go-x402-pay-per-call-post-company-uk-risk-report/llms.txt)
- [Nero Labs: business verification API pricing, 1 plan, POST /company/uk-trust-check](https://datacircle.dev/business-verification-apis/nero-labs/pay-as-you-go-x402-pay-per-call-post-company-uk-trust-check/llms.txt)
- [Nero Labs: company enrichment API pricing, 1 plan, POST /company/poland](https://datacircle.dev/company-enrichment-apis/nero-labs/pay-as-you-go-x402-pay-per-call-post-company-poland/llms.txt)
- [Nero Labs: company enrichment API pricing, 1 plan, POST /company/uk](https://datacircle.dev/company-enrichment-apis/nero-labs/pay-as-you-go-x402-pay-per-call-post-company-uk/llms.txt)

## Nero Labs: tech stack API alternatives

- [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
- [QuanticData, top-up from $5](https://datacircle.dev/company-technology-apis/quanticdata/top-up-from-5/llms.txt): $5.00 per 1,000, 23% complete, live
- [Agent402 Tools, pay as you go](https://datacircle.dev/company-technology-apis/agent402-tools/pay-as-you-go/llms.txt): $5.00 per 1,000, 15% complete, live
- [Companyfacts, $10 pack](https://datacircle.dev/company-technology-apis/companyfacts/10-pack/llms.txt): $5.00 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 2026-11-09.

- https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://x402-agent-tools.nerolabs.workers.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://x402-agent-tools.nerolabs.workers.dev/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://x402-agent-tools.nerolabs.workers.dev/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://x402-agent-tools.nerolabs.workers.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing