# Pushbuild, free: Tech stack API > For any list of domains: registrar, creation and expiry dates, nameservers (RDAP/WHOIS), A/MX/SPF/DMARC records, email provider, SSL certificate issuer and expiry, HTTP status and detected technologies (Shopify, WordPress, HubSpot, Stripe…). Pushbuild's tech stack API on its Free plan. It costs $0.00 per 1,000 companies. It returns 1 of the 13 key fields we check: Technology. We haven't run Pushbuild through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet. This plan is free. We rank 287 plans for tech stack APIs by price. Half the plans cost $9.98 per 1,000 companies or less. [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. [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 Botoi's $199 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 our benchmark. - This page: https://datacircle.dev/company-technology-apis/pushbuild/free - [Tech stack API: find a company's technologies](https://datacircle.dev/best-tech-stack-api.txt) - Get it: https://pushbuild.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing - Request: `POST https://api.pushbuild.com/domain-intelligence/run` - API key: with the plan, on https://pushbuild.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing - Its API docs: https://pushbuild.com/apis/domain-intelligence.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing - Sold by: Pushbuild (https://pushbuild.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing) - Checked: 2026-11-04 ## In the answer - Completeness: 8% - Technology: ✓ ## Price - $ per 1,000 companies: $0.00 - Per: result - Billing: free ## Aggregators - Aggregators: none ## Charges - Also pays for: from the same budget: 423 other calls ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: For any list of domains: registrar, creation and expiry dates, nameservers (RDAP/WHOIS), A/MX/SPF/DMARC records, email provider, SSL certificate issuer and expiry, HTTP status and detected technologies (Shopify, WordPress, HubSpot, Stripe…). ## Data - Keep data: no limit - Use data: [...] we grant you a limited, revocable, non-exclusive, non-transferable, non-sublicensable license to call our APIs with the key we issue to you, for your internal business purposes. [...] You alone are responsible for ensuring that your use of any output complies with all applicable laws, regulations, third-party terms of service, robots directives, intellectual property rights, privacy and data protection laws, and contractual obligations [...] You will not use any output, including any owner, property, name or address data, as a consumer report or as a factor in determining eligibility for credit, insurance, employment, housing or tenancy [...] You will not, and will not let anyone else: (a) violate any law or third-party right, (b) reverse engineer or decompile the Site, or scrape or bulk-copy it, except through the APIs as licensed or as our robots.txt permits [...], (c) resell, sublicense, white-label or provide the APIs to third parties as a standalone service, unless we agree in writing, (d) circumvent any rate limit, key, access control or security measure, (e) interfere with or overload the Site, or introduce malware, (f) use the Site to build a competing product or service, (g) submit content that is unlawful, infringing, defamatory, or that you have no right to share, (h) misrepresent your identity or affiliation, or (i) submit protected health information, payment card data, government ID numbers, or other sensitive data [...] ## Plan - Pay: $0 - You get: $1 a month - Enough for: about 416 results a month ## Rate limit - Batch: 500 ## Speed - Answer: in the call ## The call - You send: domains. Optional: maxItems - Method: POST - Path: /domain-intelligence/run ## About the plan - Plan: Free - Who can get it: anyone with an email address ## The only field the plan's answer can hold technologies ## Pushbuild's plans (2) - [Pushbuild, free](https://datacircle.dev/company-technology-apis/pushbuild/free/llms.txt): $0.00 per 1,000, 8% complete - [Pushbuild, top-up](https://datacircle.dev/company-technology-apis/pushbuild/top-up/llms.txt): $2.40 per 1,000, 8% complete ## Pushbuild's calls for this API (1) - `POST /domain-intelligence/run`: [Pushbuild, free](https://datacircle.dev/company-technology-apis/pushbuild/free/llms.txt) ## Pushbuild's APIs (17) - [Pushbuild: App Store API pricing, 2 plans](https://datacircle.dev/app-store-apis/pushbuild/free/llms.txt) - [Pushbuild: App Store review API pricing, 2 plans](https://datacircle.dev/app-store-review-apis/pushbuild/free/llms.txt) - [Pushbuild: Bluesky post API pricing, 2 plans](https://datacircle.dev/bluesky-post-apis/pushbuild/free/llms.txt) - [Pushbuild: Bluesky profile API pricing, 2 plans](https://datacircle.dev/bluesky-profile-apis/pushbuild/free/llms.txt) - [Pushbuild: GitHub repository API pricing, 2 plans](https://datacircle.dev/github-repository-apis/pushbuild/free/llms.txt) - [Pushbuild: GitHub user repository API pricing, 2 plans](https://datacircle.dev/github-user-repository-apis/pushbuild/free/llms.txt) - [Pushbuild: Google Ads Transparency API pricing, 2 plans](https://datacircle.dev/google-ad-apis/pushbuild/free/llms.txt) - [Pushbuild: news API pricing, 2 plans](https://datacircle.dev/news-apis/pushbuild/free/llms.txt) - [Pushbuild: Google Play API pricing, 2 plans](https://datacircle.dev/google-play-apis/pushbuild/free/llms.txt) - [Pushbuild: Google Play review API pricing, 2 plans](https://datacircle.dev/google-play-review-apis/pushbuild/free/llms.txt) - [Pushbuild: Hacker News search API pricing, 2 plans](https://datacircle.dev/hacker-news-search-apis/pushbuild/free/llms.txt) - [Pushbuild: company open jobs API pricing, 2 plans](https://datacircle.dev/company-open-job-apis/pushbuild/free/llms.txt) - [Pushbuild: tech stack API pricing, 2 plans](https://datacircle.dev/company-technology-apis/pushbuild/free/llms.txt) - [Pushbuild: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/pushbuild/free/llms.txt) - [Pushbuild: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/pushbuild/free/llms.txt) - [Pushbuild: Telegram channel post API pricing, 2 plans](https://datacircle.dev/telegram-channel-post-apis/pushbuild/free/llms.txt) - [Pushbuild: business verification API pricing, 2 plans, POST /czech-company-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-czech-company-registry-run/llms.txt) - [Pushbuild: business verification API pricing, 2 plans, POST /finland-company-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-finland-company-registry-run/llms.txt) - [Pushbuild: business verification API pricing, 2 plans, POST /france-company-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-france-company-registry-run/llms.txt) - [Pushbuild: business verification API pricing, 2 plans, POST /norway-company-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-norway-company-registry-run/llms.txt) - [Pushbuild: business verification API pricing, 2 plans, POST /uk-companies-house/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-uk-companies-house-run/llms.txt) - [Pushbuild: business verification API pricing, 2 plans, POST /us-small-business-lookup/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-us-small-business-lookup-run/llms.txt) - [Pushbuild: business verification API pricing, 2 plans, POST /us-state-business-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-us-state-business-registry-run/llms.txt) ## Pushbuild: tech stack API alternatives - [Hunter, $299 monthly, Scale, GET /companies/find](https://datacircle.dev/company-technology-apis/hunter/299-monthly-scale-get-companies-find/llms.txt): $2.392 per 1,000, 46% complete - [DiscoLike, $1,910 yearly](https://datacircle.dev/company-technology-apis/discolike/1910-yearly/llms.txt): $2.40 per 1,000, 8% complete, 30 days - [Piloterr, $528 yearly](https://datacircle.dev/company-technology-apis/piloterr/528-yearly/llms.txt): $2.444 per 1,000, 23% complete - [Tomba, $441 yearly](https://datacircle.dev/company-technology-apis/tomba/441-yearly/llms.txt): $2.45 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 2026-11-04. - https://pushbuild.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing - https://pushbuild.com/apis/app/signup?api=google-ads-transparency&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing - https://pushbuild.com/apis/domain-intelligence.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing - https://pushbuild.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing