# agentsvc.io, pay as you go: Tech stack API

> Detect the technologies a website uses (CMS, frameworks, analytics, CDN, web server, ecommerce, tag managers ...) from its HTML, headers, cookies, meta tags and script URLs [...]

agentsvc.io's tech stack API on its Pay per call over x402 plan. It costs $9.00 per 1,000 companies. It returns 3 of the 13 key fields we check: Technology, Categories, When and where seen.
We haven't run agentsvc.io through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
Half of the 317 plans we rank by price cost $8.90 per 1,000 companies or less. This plan costs less per 1,000 companies than 47% of the 317 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.
[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/agentsvc-io/pay-as-you-go
- [Tech stack API: find a company's technologies](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://agentsvc.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `POST https://agentsvc.io/api/v1/proxy/tech-stack`
- API key: not needed
- Its API docs: https://agentsvc.io/services/tech-stack?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Sold by: agentsvc.io (https://agentsvc.io?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 1,000 companies: $9.00
- Per: call
- 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: Detect the technologies a website uses (CMS, frameworks, analytics, CDN, web server, ecommerce, tag managers ...) from its HTML, headers, cookies, meta tags and script URLs [...]

## Data

- Freshness: live
- Keep data: no limit
- Use data: Third-party data keeps its own license, attributions are named in the responses and in the site footer. You may use results in your own products. You may not resell access to the services themselves as a substitute for agentsvc.io. You must not: use the services for anything unlawful, including fraud, sanctions evasion, or violating other people's rights, send personal data of other people unless you have a legal basis to do so, read, crawl or monitor websites against their operators' rights or terms, or at a rate that harms them, attack, overload or probe our systems or use them to reach internal networks, or work around rate limits and payment, store unlawful content in agent-memory or agent-inbox, or use the inbox for spam.

## Plan

- Pay: per call
- You get: 1 request
- Enough for: 1 call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: url. Optional: min_confidence
- Method: POST
- Path: /api/v1/proxy/tech-stack

## About the plan

- Plan: Pay per call over x402
- Who can get it: anyone with a wallet holding USDC on Base, Solana, Polygon or Arbitrum

## The 10 fields the plan's answer can hold

url, HTTP status, technology count, technology name, technology categories, technology version, technology confidence, technology website, technology evidence, technologies by category

## agentsvc.io's plans (7)

- [agentsvc.io, pay as you go](https://datacircle.dev/company-technology-apis/agentsvc-io/pay-as-you-go/llms.txt): $9.00 per 1,000, 23% complete, live
- [agentsvc.io, $0.10 pack](https://datacircle.dev/company-technology-apis/agentsvc-io/0-10-pack/llms.txt): $8.182 per 1,000, 23% complete, live
- [agentsvc.io, $1 pack](https://datacircle.dev/company-technology-apis/agentsvc-io/1-pack/llms.txt): $8.182 per 1,000, 23% complete, live
- [agentsvc.io, $5 pack](https://datacircle.dev/company-technology-apis/agentsvc-io/5-pack/llms.txt): $8.182 per 1,000, 23% complete, live
- [agentsvc.io, $20 pack](https://datacircle.dev/company-technology-apis/agentsvc-io/20-pack/llms.txt): $8.182 per 1,000, 23% complete, live
- [agentsvc.io, $50 pack](https://datacircle.dev/company-technology-apis/agentsvc-io/50-pack/llms.txt): $8.182 per 1,000, 23% complete, live
- [agentsvc.io, $100 pack](https://datacircle.dev/company-technology-apis/agentsvc-io/100-pack/llms.txt): $8.182 per 1,000, 23% complete, live

## agentsvc.io's calls for this API (1)

- `POST /api/v1/proxy/tech-stack`: [agentsvc.io, pay as you go](https://datacircle.dev/company-technology-apis/agentsvc-io/pay-as-you-go/llms.txt)

## agentsvc.io's APIs (7)

- [agentsvc.io: email verification API pricing, 7 plans, POST /api/v1/proxy/email-verify](https://datacircle.dev/validate-email-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-email-verify/llms.txt)
- [agentsvc.io: email verification API pricing, 7 plans, POST /api/v1/proxy/email-validate](https://datacircle.dev/validate-email-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-email-validate/llms.txt)
- [agentsvc.io: news API pricing, 7 plans, POST /api/v1/proxy/crypto-news](https://datacircle.dev/news-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-crypto-news/llms.txt)
- [agentsvc.io: news API pricing, 7 plans, POST /api/v1/proxy/news-search](https://datacircle.dev/news-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-news-search/llms.txt)
- [agentsvc.io: web scraping API pricing, 7 plans, POST /api/v1/proxy/web-scrape](https://datacircle.dev/web-scraping-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-web-scrape/llms.txt)
- [agentsvc.io: web scraping API pricing, 7 plans, POST /api/v1/proxy/web-read-batch](https://datacircle.dev/web-scraping-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-web-read-batch/llms.txt)
- [agentsvc.io: web scraping API pricing, 7 plans, POST /api/v1/proxy/page-extract](https://datacircle.dev/web-scraping-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-page-extract/llms.txt)
- [agentsvc.io: web scraping API pricing, 7 plans, POST /api/v1/proxy/webpage-reader](https://datacircle.dev/web-scraping-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-webpage-reader/llms.txt)
- [agentsvc.io: web scraping API pricing, 7 plans, POST /api/v1/proxy/web-scrape-batch](https://datacircle.dev/web-scraping-apis/agentsvc-io/pay-as-you-go-pay-per-call-over-x402-post-api-v1-proxy-web-scrape-batch/llms.txt)
- [agentsvc.io: phone validation API pricing, 7 plans](https://datacircle.dev/validate-phone-apis/agentsvc-io/pay-as-you-go/llms.txt)
- [agentsvc.io: business verification API pricing, 7 plans](https://datacircle.dev/business-verification-apis/agentsvc-io/pay-as-you-go/llms.txt)
- [agentsvc.io: tech stack API pricing, 7 plans](https://datacircle.dev/company-technology-apis/agentsvc-io/pay-as-you-go/llms.txt)
- [agentsvc.io: company enrichment API pricing, 7 plans](https://datacircle.dev/company-enrichment-apis/agentsvc-io/pay-as-you-go/llms.txt)

## agentsvc.io: tech stack API alternatives

- [QuanticData, $79 monthly](https://datacircle.dev/company-technology-apis/quanticdata/79-monthly/llms.txt): $6.32 per 1,000, 23% complete, live
- [SEO Score API, $39 monthly](https://datacircle.dev/company-technology-apis/seo-score-api/39-monthly/llms.txt): $7.80 per 1,000, 8% complete, live
- [ReefAPI, $15 monthly](https://datacircle.dev/company-technology-apis/reefapi/15-monthly/llms.txt): $9.00 per 1,000, 23% complete, live
- [RankParse, $15 monthly](https://datacircle.dev/company-technology-apis/rankparse/15-monthly/llms.txt): $10.00 per 1,000, 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://agentsvc.io/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://agentsvc.io/credits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://agentsvc.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://agentsvc.io/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://agentsvc.io/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://agentsvc.io/services/tech-stack?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://agentsvc.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing