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SEO research · REST API · MCP

Your all-in-one SEO tool that costs less

Keywords, website traffic, backlinks, clustering, scraping and AI visibility in one place. Research in Seonio, use the REST API or connect your AI assistant.

Start free
Free $1 to testNo card required 4.9 in reviews
SEO researchwebsite/traffic · $0.01
REST APIkeywords/global · $0.001
MCPurl/stats · $0.002
One shared balance
$1.00free
Then included usage
Starter $15 / mo
Pro $37.50 / mo
Business $90 / mo
Six tools, one account

SEO research for the job in front of you

Start with a domain, move to keywords, validate with backlinks, build clusters, extract content for analysis and find out if AI recommends you.

Website Traffic Checker

See where a competitor's traffic comes from

Review traffic estimates, top pages and ranking signals. Get a quick picture of growth trends before you plan.

  • Monthly traffic estimates and trend
  • Top pages by search volume
  • Ranking keywords per domain
seonio / website traffic checkerExample data
example-outdoor.comUS
Est. monthly traffic1.24M+8.2%
Ranking keywords38.6K
Top pages412
Top pageVolumeBar
/blog/trail-shoe-guide22,600
/collections/hiking-boots14,800
/blog/how-to-layer-for-winter9,100
REST API · MCP server

SEO data in your code and your AI assistant

The REST API and the MCP server return the same data as the Seonio app, use the same published prices and draw from one balance.

Which trail running keywords in the US are realistic for a new store?
· Keyword research
KeywordVolumeKD
trail running shoes women12,10021
waterproof trail shoes6,60028
trail vs road running shoes2,90017

Three keywords stand out, all under KD 30 with solid demand. “Trail running shoes women” is the best first target at 12,100 searches a month. Want me to cluster these and check who ranks today?

// Example only: see the setup guide for your client
{ "mcpServers": { "seonio": {
    "type": "http", "url": "https://seonio.com/mcp" } } }

Client-specific steps for ChatGPT, Claude, Cursor and more are in the MCP setup guide.

RequestPOST /api/v1/website/stats
curl -X POST https://seonio.com/api/v1/website/stats \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $SEONIO_API_KEY" \
  -d '{"target": "moz.com"}'
Response200 OK
{
  "target": "moz.com",
  "seo_metrics": {
    "page_authority": 75,
    "domain_authority": 91,
    "spam_score": 1,
    "linking_domains": 46982,
    "linking_pages": 11740244,
    "nofollow_pages": 5718502
  }
}
POST/keywords/global$0.001 / keyword
POST/website/traffic$0.01 / request
POST/backlink/table$0.02 / request
How a research session runs

From one domain to a content plan

Each step feeds the next. Start broad with a competitor, end with clean content you can analyze.

Why Seonio

Why Seonio works

Turn SEO data into clear actions, without the high price tag.

One search, structured answers

Keyword overviewKeyword Research
49,500volume / mo
62difficulty
Cintent
Related keywordsKeyword Research
trail running shoes women12,100
waterproof trail shoes6,600
trail vs road shoes2,900
ClustersKeyword Clustering
Trail shoes · 7/10Waterproof · 6/10Comparisons · 5/10
Delivered to Seonio appREST APIMCP
Example data
Customers

What our users say

Results reported by Seonio users.

185%ROI
Seonio’s unique similarity score showed us trending keywords we’d never thought of implementing in our ad campaigns and landing pages.
Alex M.SEO Manager
127%Conversion rate
The Spam Score and DA metrics are essential for our link-building outreach. We now can vet prospects in seconds, saving us hours each week.
Priya S.Agency Owner
314%Organic traffic
$10/mo is a no-brainer. Knowing what our potential clients actually search and our competition is ranking for, has shifted our whole online marketing strategy.
Konrad L.Dentist
Pricing

Plans that scale with your usage

Create an account and test Seonio with a free $1. Subscribe when you are ready for monthly usage and Extra Usage.

Starter $15 usage each month
$15 per monthBilled $15 monthly

  • All website tools
  • REST API and MCP
  • 10 API requests per second
  • Extra Usage while active
Recommended Pro $37.50 usage each month
$30 per monthBilled $30 monthly

+25% more usage

  • All website tools
  • REST API and MCP
  • 15 API requests per second
  • Extra Usage while active
Business $90 usage each month
$60 per monthBilled $60 monthly

+50% more usage

  • All website tools
  • REST API and MCP
  • 20 API requests per second
  • Extra Usage while active
$1Not ready to subscribe? Start freeA one-time free $1 to test any tool, valid for 30 days after your account is verified.No card, no subscription.
Start free
Order of use · Pro example

How your balance is spent

FirstFree $1

One-time, valid 30 days

NextIncluded usage

Refreshes each subscription month

LastExtra Usage

Valid one year, soonest-expiring first

Used up? Data actions pause until the next monthly refresh, or until you add Extra Usage.
For active subscribers

Extra Usage

Top up when the monthly usage is not enough. Larger packs add bonus usage.

You get
$115usage
+15% bonusValid 1 year
All Seonio toolsWebsite, keyword, URL, clustering, scraping
REST API and MCPSame data, same prices, same balance
5–20 requests / secondREST API and MCP limit, by plan
Cancel anytimeFrom Billing, access until period end
FAQ

Questions, answered

Usage, billing and coverage in plain words.

Each action has a clear dollar price or formula. Website, REST API and MCP share one balance. Successful paid dataset requests on the first signed-in website visit are billed. Return to the same page, including filters, within 7 days and the datasets you already paid for there are free. REST API and MCP stay billable.

Every verified account gets a one-time free $1, valid for 30 days. Starter includes $15, Pro $37.50 and Business $90 at each subscription-month boundary.

The free $1 is valid for 30 days after your account is verified. New Extra Usage is valid for one year. The free $1 is spent first, then included usage and Extra Usage expiring soonest. Buying and spending Extra Usage requires an active subscription.

Data actions pause until the next included refresh, or until you activate a subscription and add Extra Usage.

Free $1 to test · No card required

Turn search insights into measurable growth

Start your SEO research in seconds.

SEO researchREST APIMCP