# DNSai, $499 monthly: Tech stack API

> Append rich, DNS-derived attributes to every account and lead: detected email gateway (Google Workspace, Microsoft 365, Mimecast, Proofpoint…), email-security posture (SPF / DMARC / DKIM), hosting & technology stack, and WHOIS firmographics. Pull it on a schedule via the API to keep your CRM continuously enriched.

DNSai's Enterprise plan for the tech stack API costs $1.663 per 1,000 companies. DNSai's docs list 3 of the 13 fields on our checklist: Technology, Categories, When and where seen.
We haven't run DNSai through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
Half of the 405 plans we rank by price cost $4.99 per 1,000 companies or less. This plan costs less per 1,000 companies than 72% of the 405 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), [GetProspect](https://datacircle.dev/company-technology-apis/getprospect/49-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 the Datacircle benchmark.

- This page: https://datacircle.dev/company-technology-apis/dnsai/499-monthly
- [Company technologies API: tech stack APIs compared](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://app.dnsai.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `GET https://app.dnsai.com/api/v1/domains/{id}/website/`
- API key: with the plan, on https://app.dnsai.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Its API docs: https://app.dnsai.com/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Sold by: DNSai (https://dnsai.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-07

## In the answer

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

## Price

- $ per 1,000 companies: $1.663
- Per: call
- Billing: monthly
- $ a month: $499

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: API root · List domains · Add domains · Lookup domains · Get domain · Get scan results · Get email security · Stored WHOIS · List subdomains · List domain changes · Update domain annotations · Rescan domain · Scan website · Lookup subdomains · Live WHOIS lookup · Estimate deep scan · Start deep scan · List deep scans · Get deep scan · Get deep scan report · List deep scan subdomains · List changes · Change stats · List folders · List tags · Technology breakdown · List exports · Create export · Download export

## In their words

- Their pitch: Append rich, DNS-derived attributes to every account and lead: detected email gateway (Google Workspace, Microsoft 365, Mimecast, Proofpoint…), email-security posture (SPF / DMARC / DKIM), hosting & technology stack, and WHOIS firmographics. Pull it on a schedule via the API to keep your CRM continuously enriched.

## Data

- Freshness: stored
- Keep data: no limit
- Use data: DNSai must be used only for lawful and ethical purposes. You agree not to use DNSai to violate any applicable law or regulation, or to engage in activities such as unauthorized access, disruption, scraping contrary to site terms, spamming, phishing, or other malicious conduct.

## Plan

- Pay: $499
- You get: 10,000 requests a day
- Enough for: 10,000 calls a day

## Rate limit

- Per day: 10,000
- Per second: 1.67
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: id
- Method: GET
- Path: /api/v1/domains/{id}/website/

## About the plan

- Plan: Enterprise
- Who can get it: anyone

## The 24 fields the plan's answer can hold

domain, scan status, site type, technology name, technology categories, technology version, technology confidence, technology evidence, third-party embeds, forms, security headers, hosting provider, hosting ASN, CDN, WAF vendor, web server, page generator, page title, HTTP status, final URL, social links, JSON-LD types, sitemaps, scanned at

## DNSai's plans (3)

- [DNSai, $499 monthly](https://datacircle.dev/company-technology-apis/dnsai/499-monthly/llms.txt): $1.663 per 1,000, 23% complete, stored
- [DNSai, contact us, Enterprise Max](https://datacircle.dev/company-technology-apis/dnsai/contact-us-enterprise-max/llms.txt): 23% complete, stored
- [DNSai, contact us, Enterprise Max Premium](https://datacircle.dev/company-technology-apis/dnsai/contact-us-enterprise-max-premium/llms.txt): 23% complete, stored

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

- `GET /api/v1/domains/{id}/website/`: [DNSai, $499 monthly](https://datacircle.dev/company-technology-apis/dnsai/499-monthly/llms.txt)

## DNSai's APIs (2)

- [DNSai: domain WHOIS API pricing, 5 plans](https://datacircle.dev/domain-whois-apis/dnsai/free-anonymous/llms.txt)
- [DNSai: tech stack API pricing, 3 plans](https://datacircle.dev/company-technology-apis/dnsai/499-monthly/llms.txt)

## DNSai: tech stack API alternatives

- [DetectZeStack, $79 monthly, Mega, GET /changes](https://datacircle.dev/company-technology-apis/detectzestack/79-monthly-mega-get-changes/llms.txt): $1.58 per 1,000, 15% complete, stored
- [The Companies API, $950 yearly](https://datacircle.dev/company-technology-apis/the-companies-api/950-yearly/llms.txt): $1.583 per 1,000, 69% complete, stored
- [WhatCMS, $80 monthly, 50,000 Detections, GET /API/Tech](https://datacircle.dev/company-technology-apis/whatcms/80-monthly-50000-detections-get-api-tech/llms.txt): $1.60 per 1,000, 23% complete, stored
- [Tomba, $59,988 yearly](https://datacircle.dev/company-technology-apis/tomba/59988-yearly/llms.txt): $1.666 per 1,000, 15% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://app.dnsai.com/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://app.dnsai.com/api/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://app.dnsai.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://dnsai.com/api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://dnsai.com/terms-of-use/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing