GET keywordtool.io HTTP 200154 ms26.2 KB$0.000203 captured Aug 7, 2026
keywordtool.io, as data
One API turns any keywordtool.io page into markdown, structured JSON, its link graph or a screenshot, and crawls the whole site the same way. The panel shows the real response we captured.
- Render mode
- Plain HTTP, no browser needed
- Response
- HTTP 200 in 154 ms
- Page size
- 26.2 KB of markdown, 340 lines
- Fields
- Business Name, Address, Phone, Category and 1 more
- Captured
- Aug 7, 2026
Free balance on signup, no card. This keywordtool.io page cost $0.000203 to fetch.
To generate long-tail keyword suggestions, Keyword Tool prepends and appends the search term which you specify with different letters and numbers, places it into Google search box and pulls out keyword suggestions. Best part, **all of it happens in a split of a second**!Using Keyword Tool, you can choose a specific Google domain out of **190+ supported domains and one out of 120+ languages** that will be used to produce keyword suggestions.The free version of Keyword Tool can generate **up to 750+ keywords from Google autocomplete in seconds**.The advanced version of Keyword Tool, Keyword Tool Pro, provides more keywords in comparison to the free version and offers a handful of other useful features. You can find more information about Keyword Tool Pro and subscribe at this page.You can quickly **find and analyze thousands of relevant long-tail keywords** with free or paid version of Keyword Tool and use them for content creation, search engine optimization, pay-per-click advertising or other marketing activities.## Why Is Keyword Tool One Of The Best Free Keyword Research Tools?There are few places on the web where you can find keywords that people type in Google search box. One of the most popular sources of this information is Google Keyword Planner.Unfortunately, data presented by Google Keyword Planner is meant to be used for paid advertising inside Google Ads platform. The keywords that you will find with this tool might be **too generic and not very descriptive**. In other words, barely useful for content marketing, blogging, or SEO.Keyword Tool uses a different primary source to generate keyword ideas - Google Autocomplete. While some data is enriched with information from Google Keyword Planner, the **keyword suggestions themselves come directly from what people are actually typing** into Google search.What Spider does on keywordtool.io
Same key, five endpoints. The numbers under a cell were measured on this page.
Page to markdown
Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.
154 ms · $0.000203Page to JSON
Spider reads the page and names the fields. Pass your own schema when you need exact keys.
Rendered capture
Real Chromium, full-page PNG. The same call also returns the rendered HTML.
The call behind the panel
This request produced the response above. Paste it with your key and you get the same bytes.
curl -X POST https://api.spider.cloud/scrape \
-H "Authorization: Bearer $SPIDER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"url": "https://keywordtool.io/", "return_format": "markdown"}'from spider import Spider
app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://keywordtool.io/", params=params)
print(page[0]["content"])import { Spider } from "@spider-cloud/spider-client";
const app = new Spider();
const [page] = await app.scrapeUrl("https://keywordtool.io/", {
return_format: "markdown",
});
console.log(page.content);What keywordtool.io costs
Multiplied from the measured 26.2 KB page. Estimates round to the cent.
1 GB of transfer costs $1, plus $0.001 per CPU minute, and failed requests cost $0. Crawling daily? The Unlimited plan is a flat monthly rate.
Point this at the rest of keywordtool.io.
The capture above took 154 ms and cost $0.000203. The same call takes any URL on keywordtool.io.