Agency Plan Exclusive

Keyword Research
As a Service

Integrate professional keyword research into your agency's workflow. Access the same data you love through a powerful RESTful API.

Agency plan: $199/month • Full API access • 500 API requests/day • 700 credits/month

Built for Agency Workflows

Everything you need to automate keyword research for your entire client portfolio.

Automate at Scale

Integrate keyword research directly into your workflow. Generate thousands of keyword suggestions for multiple clients automatically.

Real-Time Data

Access fresh search volumes, CPC, and SERP data programmatically. No more manual CSV uploads or data entry.

RESTful API

Simple, well-documented REST endpoints with JSON responses. Integrate with any tech stack in minutes.

Enterprise Security

API key authentication, rate limiting, and usage tracking. Your data and your clients' data stay secure.

White-Label Ready

Build your own tools and dashboards using our API. Present keyword research under your brand.

How Agencies Use Our API

Real-world applications from agencies scaling keyword research across hundreds of clients.

Client Reporting Automation

Automatically generate monthly keyword reports for all clients. Pull data, cluster keywords, and export to PDF with your branding.

Schedule weekly keyword tracking for 50+ clients

SEO Tool Integration

Embed keyword research into your existing SEO platform. Combine our data with your analytics and ranking tools.

Build custom dashboards with keywordclusters.com data

Content Planning Tools

Create content calendars based on keyword clusters. Automatically suggest topics based on search intent and volume.

Generate 3 months of content ideas in seconds

Competitive Analysis

Monitor competitor keywords at scale. Track changes in search volume and SERP positions for your entire client portfolio.

Track 1000+ competitor keywords automatically

Simple, Powerful API

Get started in minutes with our intuitive RESTful API.

Start a keyword search
POST /api/v1/search
x-api-key: YOUR_API_KEY
Content-Type: application/json

{
  "term": "keyword research",
  "locale": "en-US",
  "engines": ["google", "bing"]
}

// Response
{ "jobId": 1842, "status": "pending", "message": "Search started" }
Poll for results
GET /api/v1/search/1842
x-api-key: YOUR_API_KEY

// Pending response
{ "query": { "status": "pending", ... }, "keywords": [], "clusters": [] }

// Completed response
{ "query": { "status": "completed", ... }, "keywords": [...], "clusters": [...] }
Full round-trip (JavaScript)
const { jobId } = await fetch("/api/v1/search", {
  method: "POST",
  headers: { "x-api-key": API_KEY, "Content-Type": "application/json" },
  body: JSON.stringify({ term: "seo tools", engines: ["google"] }),
}).then(r => r.json());

// Poll until done
let data;
do {
  await new Promise(r => setTimeout(r, 2000));
  data = await fetch(`/api/v1/search/${jobId}`,
    { headers: { "x-api-key": API_KEY } }).then(r => r.json());
} while (data.query.status === "pending");

console.log(data.keywords, data.clusters);

What's Included

Multi-Engine Autocomplete

Google, Bing, YouTube, Amazon suggestions

Search Volume & CPC

Accurate, real-time search metrics

Keyword Difficulty

Understand ranking competition

SERP Analysis

Top 10 results with meta data

Keyword Clustering

ML-powered semantic grouping

Intent Detection

Auto-classify search intent

Async job model

Submit a search, poll for results — no blocking requests

Generous rate limit

500 API requests/day per key, resets midnight UTC

Ready to Scale Your Agency?

Join agencies using keywordclusters.com API to automate keyword research for hundreds of clients.

Cancel anytime