How do I install Keyword Research API?

Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Keyword Research API need an API key?

No required environment variable is listed on this record.

What transport does Keyword Research API use?

Keyword Research API is reached over HTTP.

When was Keyword Research API last checked?

Last checked 2026-11-08. SEO keyword research with Google Suggest, intent scoring, long-tail discovery. x402.

Keyword Research API MCP server

Power your agent

Add this server

The publisher's own URL. Not a PlugMCP endpoint.

Add to Cursor Add in Claude Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Server URL

https://keyword-research.api.klymax402.com/mcp

The Claude button above opens Claude with the name and URL filled in. You still confirm it there.

shClaude Code

1claude mcp add --transport http io.github.br0ski777-keyword-research https://keyword-research.api.klymax402.com/mcp

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "io.github.br0ski777-keyword-research": {4      "command": "npx",5      "args": [6        "-y",7        "mcp-remote",8        "https://keyword-research.api.klymax402.com/mcp"9      ]10    }11  }12}

claude_desktop_config.json

Remote · HTTPPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Remote

Transport: http
Version: 1.1.0
Last checked

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Questions

Keyword Research API

SEO keyword research -- Google Suggest, intent classification, long-tail discovery, related queries. Content planning. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

{
  "mcpServers": {
    "keyword-research": {
      "url": "https://keyword-research.api.klymax402.com/mcp"
    }
  }
}

Quickstart -- HTTP (x402)

curl "https://keyword-research.api.klymax402.com/api/keywords?query=..."
# -> 402 Payment Required, with an x402 payment challenge in the response body

Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.

Tools

Tool	Method	Path	Price	Description
`seo_research_keywords`	GET	`/api/keywords`	$0.02	Research keywords with Google autocomplete suggestions, related queries, and intent classification
`seo_research_keywords`	POST	`/api/keywords`	$0.02	Research keywords with Google autocomplete suggestions, related queries, and intent classification (POST variant)

`seo_research_keywords`

Use this when you need keyword ideas, SEO research, or content planning data for a topic. Returns keyword suggestions and intent data in JSON.

Parameters

Name	Type	Required	Description
`query`	string	yes	The seed keyword or phrase to research (e.g. 'bitcoin trading', 'best crm software')

Example response:

{"query":"bitcoin trading","suggestions":["bitcoin trading platform","bitcoin trading bot","bitcoin trading for beginners"],"relatedQueries":{"vs":["bitcoin trading vs investing"],"howTo":["how to start bitcoin trading"]},"longTailKeywords":["best bitcoin trading app 2026","bitcoin trading strategy for beginners"],"searchIntent":"commercial","totalKeywords":47}

When to use: writing blog posts, FOR SEO content strategy, topic cluster planning, content gap analysis, and competitive keyword research.

Not for: page SEO audit (use seo_audit_page), content extraction (use web_scrape_to_markdown), domain intelligence (use domain_lookup_intelligence).

`seo_research_keywords`

Use this when you need keyword ideas, SEO research, or content planning data for a topic. Returns keyword suggestions and intent data in JSON. POST variant of seo_research_keywords -- same params passed as JSON body instead of query string.

Parameters

Name	Type	Required	Description
`query`	string	yes	The seed keyword or phrase to research (e.g. 'bitcoin trading', 'best crm software')

Example response:

{"query":"bitcoin trading","suggestions":["bitcoin trading platform","bitcoin trading bot","bitcoin trading for beginners"],"relatedQueries":{"vs":["bitcoin trading vs investing"],"howTo":["how to start bitcoin trading"]},"longTailKeywords":["best bitcoin trading app 2026","bitcoin trading strategy for beginners"],"searchIntent":"commercial","totalKeywords":47}

When to use: writing blog posts, FOR SEO content strategy, topic cluster planning, content gap analysis, and competitive keyword research.

Not for: page SEO audit (use seo_audit_page), content extraction (use web_scrape_to_markdown), domain intelligence (use domain_lookup_intelligence).

Example agent prompts

"Keyword ideas, SEO research, or content planning data for a topic"
"Keyword ideas, SEO research, or content planning data for a topic"

Payment

Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
Network: Base L2 (eip155:8453)
Asset: USDC
Facilitator: Coinbase CDP (primary), PayAI (fallback)
Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)

Part of klymax402

100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.

Catalog: https://klymax402.com/llms.txt
Full API reference: https://klymax402.com/llms-full.txt
Live stats: https://klymax402.com/stats

License

MIT

Add this server

Host a copy with our keys and logs.

Server facts

Tools

Questions

How do I install Keyword Research API?

Does Keyword Research API need an API key?

What transport does Keyword Research API use?

When was Keyword Research API last checked?

Documentation

Keyword Research API

Quickstart -- MCP

Quickstart -- HTTP (x402)

Tools

seo_research_keywords

seo_research_keywords

Example agent prompts

Payment

Part of klymax402

License

`seo_research_keywords`

`seo_research_keywords`