# ParseAPI, free: Tech stack API

> Turn a domain into its visible CMS, frameworks, ecommerce and analytics. Choose the right integration or enrich a company record with one homepage check.

ParseAPI's Free plan for the tech stack API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. ParseAPI's docs list 2: Technology, Categories.
We haven't run ParseAPI through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
This plan is free. We rank 466 plans for tech stack APIs by price. Half the plans cost $6.15 or less per 1,000 companies. [See the best free tech stack API plan.](https://datacircle.dev/best-tech-stack-api.txt)
[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 [Tomba](https://datacircle.dev/company-technology-apis/tomba/449-monthly/llms.txt) are the best tech stack API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-technology-apis/parseapi/free
- [Company technologies API: tech stack APIs compared](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://parseapi.com/plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `GET https://api.parseapi.com/stack/{domain}`
- API key: with the plan, on https://parseapi.com/plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Its API docs: https://parseapi.com/docs/stack?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing#lookup
- Sold by: ParseAPI (https://parseapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 15%
- Technology: ✓
- Categories: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Mailbox verification: 100 a month · Carrier Lookup API: 100 a month · HLR Lookup API: 50 a month · Caller ID API: 100 a month · from the same budget: Email API · Name API · Phone Number API · Card API · Company API · Industry API · DNS Lookup API · Domain API · IP Address API · MX API · Useragent API · Currency API · Emoji API · Language API · Address API · City API · Continent API · Country API · District API · Postal API · State API · Elevation API · Point API · Weather API · Date API · Holiday API · Time API · ASN Lookup API

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Turn a domain into its visible CMS, frameworks, ecommerce and analytics. Choose the right integration or enrich a company record with one homepage check.

## Data

- Freshness: 1 day
- Keep data: no limit
- Use data: Don't use ParseAPI to: Break the law, harm people, or run fraud / abuse campaigns, Test generated or guessed email addresses to discover people's inboxes, Prepare purchased, rented, or scraped contact lists for unsolicited bulk messaging, phishing, or harassment, Attack, overload, or disrupt the service (or anyone else's), Scrape, reverse engineer, or rebuild our datasets for a competing product, Resell raw API access or bulk responses without our written permission, Share keys or let others burn through your plan without authorization. [...] Use Email and Bulk for contacts you are authorized to process, such as customer records, subscriber lists, and user-submitted signups. Verification does not establish permission to send messages. [...] You get a limited right to use the API as documented while your account is in good standing.

## Plan

- Pay: $0
- You get: 100,000 requests a month
- Enough for: 100,000 calls a month

## Rate limit

- Per second: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /stack/{domain}

## About the plan

- Plan: Free
- Who can get it: anyone

## The 8 fields the plan's answer can hold

domain, homepage URL, checked at, technologies, technology category, technology code, technology name, technology version

## ParseAPI's plans (5)

- [ParseAPI, free](https://datacircle.dev/company-technology-apis/parseapi/free/llms.txt): $0.00 per 1,000, 15% complete, 1 day
- [ParseAPI, $20 monthly](https://datacircle.dev/company-technology-apis/parseapi/20-monthly/llms.txt): $0.02 per 1,000, 15% complete, 1 day
- [ParseAPI, $100 monthly](https://datacircle.dev/company-technology-apis/parseapi/100-monthly/llms.txt): $0.01 per 1,000, 15% complete, 1 day
- [ParseAPI, $250 monthly](https://datacircle.dev/company-technology-apis/parseapi/250-monthly/llms.txt): $0.005 per 1,000, 15% complete, 1 day
- [ParseAPI, contact us](https://datacircle.dev/company-technology-apis/parseapi/contact-us/llms.txt): 15% complete, 1 day

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

- `GET /stack/{domain}`: [ParseAPI, free](https://datacircle.dev/company-technology-apis/parseapi/free/llms.txt)

## ParseAPI's APIs (6)

- [ParseAPI: tech stack API pricing, 5 plans](https://datacircle.dev/company-technology-apis/parseapi/free/llms.txt)
- [ParseAPI: domain WHOIS API pricing, 5 plans](https://datacircle.dev/domain-whois-apis/parseapi/free/llms.txt)
- [ParseAPI: IP company lookup API pricing, 5 plans](https://datacircle.dev/ip-company-lookup-apis/parseapi/free/llms.txt)
- [ParseAPI: phone validation API pricing, 7 plans, GET /carrier/{number}](https://datacircle.dev/validate-phone-apis/parseapi/free-get-carrier-number/llms.txt)
- [ParseAPI: phone validation API pricing, 7 plans, GET /hlr/{number}](https://datacircle.dev/validate-phone-apis/parseapi/free-get-hlr-number/llms.txt)
- [ParseAPI: phone validation API pricing, 7 plans, GET /phone/{number}](https://datacircle.dev/validate-phone-apis/parseapi/free-get-phone-number/llms.txt)
- [ParseAPI: email verification API pricing, 6 plans, GET /email/{email}](https://datacircle.dev/validate-email-apis/parseapi/free-get-email-email/llms.txt)
- [ParseAPI: email verification API pricing, 6 plans, POST /email/verify](https://datacircle.dev/validate-email-apis/parseapi/free-post-email-verify/llms.txt)
- [ParseAPI: company enrichment API pricing, 5 plans, GET /company/domain/{domain}](https://datacircle.dev/company-enrichment-apis/parseapi/free-get-company-domain-domain/llms.txt)
- [ParseAPI: company enrichment API pricing, 5 plans, GET /company/cik/{cik}](https://datacircle.dev/company-enrichment-apis/parseapi/free-get-company-cik-cik/llms.txt)
- [ParseAPI: company enrichment API pricing, 5 plans, GET /company/id/{id}](https://datacircle.dev/company-enrichment-apis/parseapi/free-get-company-id-id/llms.txt)
- [ParseAPI: company enrichment API pricing, 5 plans, GET /company/ticker/{ticker}](https://datacircle.dev/company-enrichment-apis/parseapi/free-get-company-ticker-ticker/llms.txt)

## ParseAPI: tech stack API alternatives

- [Botoi, $199 monthly](https://datacircle.dev/company-technology-apis/botoi/199-monthly/llms.txt): $0.0066 per 1,000, 23% complete, live
- [Enterno, ₽33,516 yearly, Captain, GET /api/v4/cms](https://datacircle.dev/company-technology-apis/enterno/33516-yearly-captain-get-api-v4-cms/llms.txt): $0.011 per 1,000, 8% complete, live
- [upAPI, $499 monthly](https://datacircle.dev/company-technology-apis/upapi/499-monthly/llms.txt): $0.10 per 1,000, 23% complete, live
- [DetectZeStack, $79 monthly, Mega, POST /analyze/batch](https://datacircle.dev/company-technology-apis/detectzestack/79-monthly-mega-post-analyze-batch/llms.txt): $0.158 per 1,000, 23% complete, 24 hours

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://parseapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://parseapi.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://parseapi.com/docs/stack?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://parseapi.com/docs/usage?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://parseapi.com/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://parseapi.com/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://parseapi.com/plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://parseapi.com/stack?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing