# RankParse, free: Tech stack API

> Detect the frameworks, CMS, analytics, CDN, hosting and other technologies a domain runs, from a live homepage fetch plus link graph signals.

RankParse's tech stack API on its Free plan. It costs $0.00 per 1,000 companies. It returns 3 of the 13 key fields we check: Technology, Categories, When and where seen.
We rank 195 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/rankparse/free
- [Best tech stack API in 2026](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://rankparse.com/pricing
- Request: `GET https://api.rankparse.com/v1/tech-stack`
- API key: with the plan, on https://rankparse.com/pricing
- Its API docs: https://rankparse.com/docs/endpoints/tech-stack
- Sold by: RankParse (https://rankparse.com)
- Checked: 2026-10-29

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Repeat free: never
- Also pays for: from the same budget: Backlinks · Referring Domains · Anchor Text · Top Pages · Outbound Links · Domain Rank · Site Explorer · Batch Lookup · Domain Overlap · Link Intersect · Similar Domains · Competitor Gap · Link Audit · Page SEO · Page Performance · Schema Markup · Site Health · Sitemap · Crawl History · Platform Domains · Platform Trends · IndexNow · Domain Authority

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Detect the frameworks, CMS, analytics, CDN, hosting and other technologies a domain runs, from a live homepage fetch plus link graph signals.

## Data

- Freshness: live
- Keep data: no limit
- Use data: You may use RankParse data to build products, conduct research, enrich datasets, and power automated workflows. You may not: resell raw API responses as a standalone data product, use the API to build a service that directly competes with RankParse's API offering, attempt to circumvent rate limits, or use the service for any unlawful purpose.

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 50 calls, once

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /v1/tech-stack

## About the plan

- Plan: Free
- Who can get it: anyone with a valid email address

## The 9 fields the plan's answer can hold

domain, technology name, technology category, technology confidence, server, X-Powered-By, response time, credits used, credits remaining

## RankParse's plans (11)

- [RankParse, free](https://datacircle.dev/company-technology-apis/rankparse/free/llms.txt): $0.00 per 1,000, 23% complete, live
- [RankParse, top-up from $1](https://datacircle.dev/company-technology-apis/rankparse/top-up-from-1/llms.txt): $20.00 per 1,000, 23% complete, live
- [RankParse, $10 pack](https://datacircle.dev/company-technology-apis/rankparse/10-pack/llms.txt): $20.00 per 1,000, 23% complete, live
- [RankParse, $80 pack](https://datacircle.dev/company-technology-apis/rankparse/80-pack/llms.txt): $16.00 per 1,000, 23% complete, live
- [RankParse, $199 pack](https://datacircle.dev/company-technology-apis/rankparse/199-pack/llms.txt): $3.98 per 1,000, 23% complete, live
- [RankParse, $600 pack](https://datacircle.dev/company-technology-apis/rankparse/600-pack/llms.txt): $12.00 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
- [RankParse, $59 monthly](https://datacircle.dev/company-technology-apis/rankparse/59-monthly/llms.txt): $7.867 per 1,000, 23% complete, live
- [RankParse, $108 yearly](https://datacircle.dev/company-technology-apis/rankparse/108-yearly/llms.txt): $6.00 per 1,000, 23% complete, live
- [RankParse, $468 yearly](https://datacircle.dev/company-technology-apis/rankparse/468-yearly/llms.txt): $5.20 per 1,000, 23% complete, live
- [RankParse, contact us](https://datacircle.dev/company-technology-apis/rankparse/contact-us/llms.txt): 23% complete, live

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

- `GET /v1/tech-stack`: [RankParse, free](https://datacircle.dev/company-technology-apis/rankparse/free/llms.txt)

## RankParse's APIs (5)

- [RankParse: keyword research API pricing, 5 plans](https://datacircle.dev/keyword-research-apis/rankparse/free/llms.txt)
- [RankParse: related keywords API pricing, 5 plans](https://datacircle.dev/related-keywords-apis/rankparse/free/llms.txt)
- [RankParse: tech stack API pricing, 11 plans](https://datacircle.dev/company-technology-apis/rankparse/free/llms.txt)
- [RankParse: backlink API pricing, 11 plans, GET /v1/backlinks](https://datacircle.dev/backlink-apis/rankparse/free-get-v1-backlinks/llms.txt)
- [RankParse: backlink API pricing, 11 plans, POST /v1/batch](https://datacircle.dev/backlink-apis/rankparse/free-post-v1-batch/llms.txt)
- [RankParse: domain authority API pricing, 11 plans, GET /v1/domain-authority](https://datacircle.dev/domain-authority-apis/rankparse/free/llms.txt)
- [RankParse: domain authority API pricing, 11 plans, GET /v1/domain-rank](https://datacircle.dev/domain-authority-apis/rankparse/free-get-v1-domain-rank/llms.txt)

## RankParse: tech stack API alternatives

- [Botoi, $9 monthly](https://datacircle.dev/company-technology-apis/botoi/9-monthly/llms.txt): $0.03 per 1,000, 23% complete, live
- [Wappalyzer, contact us](https://datacircle.dev/company-technology-apis/wappalyzer/contact-us/llms.txt): $4.25 per 1,000, 85% complete, live
- [RichAPI, $800 pack, Scale, POST /web_tech_stack](https://datacircle.dev/company-technology-apis/richapi/800-pack/llms.txt): $16.00 per 1,000, 8% 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

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-29.

- https://rankparse.com
- https://rankparse.com/docs/credits
- https://rankparse.com/docs/endpoints/tech-stack
- https://rankparse.com/docs/rate-limiting
- https://rankparse.com/docs/response-format
- https://rankparse.com/openapi.yaml
- https://rankparse.com/pricing
- https://rankparse.com/terms