# Who Hosts This, free, GET /API/Host: Tech stack API

> Detect the hosting providers for any website

Who Hosts This's tech stack API on its Free plan. It costs $0.00 per 1,000 companies. Who Hosts This's docs list none of the 13 fields on our checklist: Technology, Categories, When and where seen, Spend and 9 more.
We haven't run Who Hosts This through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
This plan is free. We rank 384 plans for tech stack APIs by price. Half the plans cost $5.00 per 1,000 companies or less. [See how many tech stack API plans are free.](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.
[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/who-hosts-this/free-get-api-host
- [Tech stack API: find a company's technologies](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://www.who-hosts-this.com/API?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `GET https://www.who-hosts-this.com/API/Host`
- API key: with the plan, on https://www.who-hosts-this.com/API?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Its API docs: https://www.who-hosts-this.com/Documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing#toc-host-detection
- Sold by: Who Hosts This (https://www.who-hosts-this.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 0%

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: WordPress Theme Detection · Technology Detection

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Detect the hosting providers for any website

## Data

- Keep data: no limit
- Use data: "(3) [...] You further agree not to reproduce, duplicate or copy Content from the Service without the express written consent of Who-Hosts-This.com [...] Without limiting the foregoing, you agree not to reproduce, duplicate, copy, sell, resell or exploit for any commercial purposes, any aspect of the Service." [...] "(8) [...] You must not re-sell or reproduce any of the contents of this website without our permission."

## Plan

- Pay: $0
- You get: 500 requests a month
- Enough for: 500 calls a month

## Rate limit

- Per second: 0.1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: url
- Method: GET
- Path: /API/Host

## About the plan

- Plan: Free
- Who can get it: anyone with an account (duplicate accounts are suspended)

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

request URL, result code, result message, last checked, IP address, IP type, ISP ID, ISP name, ISP URL

## Who Hosts This's plans (27)

- [Who Hosts This, free, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/free-get-api-host/llms.txt): $0.00 per 1,000, 0% complete
- [Who Hosts This, $20 monthly, 10,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/20-monthly-10000-detections-get-api-host/llms.txt): $2.00 per 1,000, 0% complete
- [Who Hosts This, $40 monthly, 20,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/40-monthly-20000-detections-get-api-host/llms.txt): $2.00 per 1,000, 0% complete
- [Who Hosts This, $80 monthly, 50,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/80-monthly-50000-detections-get-api-host/llms.txt): $1.60 per 1,000, 0% complete
- [Who Hosts This, $150 monthly, 100,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/150-monthly-100000-detections-get-api-host/llms.txt): $1.50 per 1,000, 0% complete
- [Who Hosts This, $300 monthly, 200,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/300-monthly-200000-detections-get-api-host/llms.txt): $1.50 per 1,000, 0% complete
- [Who Hosts This, $360 monthly, 300,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/360-monthly-300000-detections-get-api-host/llms.txt): $1.20 per 1,000, 0% complete
- [Who Hosts This, $450 monthly, 400,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/450-monthly-400000-detections-get-api-host/llms.txt): $1.125 per 1,000, 0% complete
- [Who Hosts This, $500 monthly, 500,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/500-monthly-500000-detections-get-api-host/llms.txt): $1.00 per 1,000, 0% complete
- [Who Hosts This, $600 monthly, 600,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/600-monthly-600000-detections-get-api-host/llms.txt): $1.00 per 1,000, 0% complete
- [Who Hosts This, $650 monthly, 700,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/650-monthly-700000-detections-get-api-host/llms.txt): $0.929 per 1,000, 0% complete
- [Who Hosts This, $720 monthly, 800,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/720-monthly-800000-detections-get-api-host/llms.txt): $0.90 per 1,000, 0% complete
- [Who Hosts This, $760 monthly, 900,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/760-monthly-900000-detections-get-api-host/llms.txt): $0.844 per 1,000, 0% complete
- [Who Hosts This, $800 monthly, 1,000,000 Detections, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/800-monthly-1000000-detections-get-api-host/llms.txt): $0.80 per 1,000, 0% complete
- [Who Hosts This, $200 yearly, 10,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/200-yearly-10000-detections-yearly-get-api-host/llms.txt): $1.667 per 1,000, 0% complete
- [Who Hosts This, $400 yearly, 20,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/400-yearly-20000-detections-yearly-get-api-host/llms.txt): $1.667 per 1,000, 0% complete
- [Who Hosts This, $800 yearly, 50,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/800-yearly-50000-detections-yearly-get-api-host/llms.txt): $1.333 per 1,000, 0% complete
- [Who Hosts This, $1,500 yearly, 100,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/1500-yearly-100000-detections-yearly-get-api-host/llms.txt): $1.25 per 1,000, 0% complete
- [Who Hosts This, $3,000 yearly, 200,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/3000-yearly-200000-detections-yearly-get-api-host/llms.txt): $1.25 per 1,000, 0% complete
- [Who Hosts This, $3,600 yearly, 300,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/3600-yearly-300000-detections-yearly-get-api-host/llms.txt): $1.00 per 1,000, 0% complete
- [Who Hosts This, $4,500 yearly, 400,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/4500-yearly-400000-detections-yearly-get-api-host/llms.txt): $0.938 per 1,000, 0% complete
- [Who Hosts This, $5,000 yearly, 500,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/5000-yearly-500000-detections-yearly-get-api-host/llms.txt): $0.833 per 1,000, 0% complete
- [Who Hosts This, $6,000 yearly, 600,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/6000-yearly-600000-detections-yearly-get-api-host/llms.txt): $0.833 per 1,000, 0% complete
- [Who Hosts This, $6,500 yearly, 700,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/6500-yearly-700000-detections-yearly-get-api-host/llms.txt): $0.774 per 1,000, 0% complete
- [Who Hosts This, $7,200 yearly, 800,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/7200-yearly-800000-detections-yearly-get-api-host/llms.txt): $0.75 per 1,000, 0% complete
- [Who Hosts This, $7,600 yearly, 900,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/7600-yearly-900000-detections-yearly-get-api-host/llms.txt): $0.704 per 1,000, 0% complete
- [Who Hosts This, $8,000 yearly, 1,000,000 Detections, yearly, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/8000-yearly-1000000-detections-yearly-get-api-host/llms.txt): $0.667 per 1,000, 0% complete

## Who Hosts This's calls (3)

- `GET /API/Host`: [Who Hosts This, free, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/free-get-api-host/llms.txt)
- `GET /API/Tech`: [Who Hosts This, free, GET /API/Tech](https://datacircle.dev/company-technology-apis/who-hosts-this/free-get-api-tech/llms.txt)
- `GET /API/Theme`: [Who Hosts This, free, GET /API/Theme](https://datacircle.dev/company-technology-apis/who-hosts-this/free-get-api-theme/llms.txt)

## Who Hosts This's APIs (1)

- [Who Hosts This: tech stack API pricing, 27 plans, GET /API/Host](https://datacircle.dev/company-technology-apis/who-hosts-this/free-get-api-host/llms.txt)

## Who Hosts This: tech stack API alternatives

- [Enrich.chat, $299 monthly, Pro, POST /jobs](https://datacircle.dev/company-technology-apis/enrich-chat/299-monthly-pro-post-jobs/llms.txt): $0.598 per 1,000, 15% complete
- [Siftwright, $999 monthly](https://datacircle.dev/company-technology-apis/siftwright/999-monthly/llms.txt): $0.666 per 1,000, 15% complete, live
- [DomScan, $6 monthly, Starter, POST /v1/tech/bulk](https://datacircle.dev/company-technology-apis/domscan/6-monthly-starter-post-v1-tech-bulk/llms.txt): $0.72 per 1,000, 23% complete
- [WhatCMS, $800 monthly, 1,000,000 Detections, GET /API/Tech](https://datacircle.dev/company-technology-apis/whatcms/800-monthly-1000000-detections-get-api-tech/llms.txt): $0.80 per 1,000, 23% 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://www.who-hosts-this.com/API?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.who-hosts-this.com/Documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.who-hosts-this.com/Support?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://www.who-hosts-this.com/Terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing