SEO API · URL Stats

URL Stats

Page- and domain-level authority metrics for a specific URL.

Authority metrics for a single URL: page authority, domain authority, spam score and the backlink footprint behind the page.

POST /api/v1/url/stats $0.002 / request

Get API Key

Use your Seonio API key instantly.

Open Playground

curl

curl -X POST https://seonio.com/api/v1/url/stats \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $SEONIO_API_KEY" \
  -d '{"target": "https://moz.com/blog"}'

Sample response

{
  "seo_metrics": {
    "domain_authority": 91,
    "linking_domains": 10965,
    "linking_pages": 461135,
    "nofollow_pages": 7409,
    "page_authority": 70,
    "spam_score": 1
  },
  "target": "https://moz.com/blog"
}

Request and response

The full contract for /api/v1/url/stats — what to send and what comes back.

Request body

target string required

A full URL, e.g. "https://moz.com/blog".

Response fields

`target`	string	The URL that was analysed.
`seo_metrics`	object \| null	Metrics object, or null for a completed lookup with no metrics.
`seo_metrics.page_authority`	integer	Page Authority (0–100) when metrics are available.
`seo_metrics.domain_authority`	integer	Domain Authority (0–100) when metrics are available.
`seo_metrics.spam_score`	integer	Spam score (lower is better) when metrics are available.
`seo_metrics.linking_domains`	integer	Unique linking domains when metrics are available.
`seo_metrics.linking_pages`	integer	Total linking pages when metrics are available.
`seo_metrics.nofollow_pages`	integer	Linking pages marked nofollow when metrics are available.

Code examples

Copy, paste, swap in your API key.

curl -X POST https://seonio.com/api/v1/url/stats \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{"target": "https://moz.com/blog"}'

import requests

resp = requests.post(
    "https://seonio.com/api/v1/url/stats",
    headers={"X-API-Key": "YOUR_API_KEY"},
    json={"target": "https://moz.com/blog"},
)
print(resp.json())

const resp = await fetch("https://seonio.com/api/v1/url/stats", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": "YOUR_API_KEY",
  },
  body: JSON.stringify({"target": "https://moz.com/blog"}),
});
console.log(await resp.json());

Playground

Run a real /api/v1/url/stats request. No key? We show the real sample result so you can still inspect the shape.

API key

JSON body

Leave the API key empty to load the built-in sample response.

Request

POST /api/v1/url/stats

sample mode

What developers build with it

Common ways URL Stats ends up in production.

Authority badges on a backlink or SERP tool.

Qualifying individual link prospects.

Scoring specific landing pages.

Status codes

The same predictable contract on every endpoint.

`200`	Success. The lookup completed and was charged, even if the response is empty.
`401`	Missing or unknown API key.
`402`	Not enough balance on the account.
`422`	Invalid request body (wrong shape or types).
`429`	Rate limit exceeded (fixed-window default: 30 requests / 3 seconds).

Other endpoints

Explore the rest of the SEO API.

Keyword Research

/api/v1/keywords/global

Keyword Clustering

/api/v1/keywords/clustering

Keyword Suggestions

/api/v1/keywords/suggestions

Keyword Metrics by Country

/api/v1/keywords/country

SERP

/api/v1/serp/country

SERP Scraper

/api/v1/serp/scraper

Scraper

/api/v1/scraper

Website Traffic

/api/v1/website/traffic

Website Ranking

/api/v1/website/ranking

Website Stats

/api/v1/website/stats

Website Backlinks

/api/v1/backlink/website

URL Backlinks

/api/v1/backlink/url

API Balance

Add funds once and use them anytime. Your balance never expires. New accounts start with $1 free.

Starter

$10 to spend

$ 10 one-time

Balance never expires.

A first top-up to kick the tires.

Get Started

Pro

$115 to spend

$ 100 one-time

+15% bonus
$100 + $15 free

The sweet spot for steady production traffic.

Get Started

Scale

$1,300 to spend

$ 1,000 one-time

+30% bonus
$1,000 + $300 free

Best rate per dollar for high-volume workloads.

Get Started

FAQ

Simple answers for developers using the API.

Pricing & Balance

Every API endpoint has a fixed price in USD. Your requests are charged directly against your API balance, so you always know what each call costs.

No. Seonio does not use abstract credits for API pricing. You add dollars to your account and spend that balance directly on API usage.

No. Your API balance never expires, so you can use it whenever your workflows need it.

Paid API requests stop until you add more balance. This keeps spend predictable and prevents unexpected charges.

API & Integration

You can create and manage API keys from your account. Use your key to authenticate requests from your app, scripts, or internal tools.

Yes. Your dashboard shows your API usage and remaining balance, so you can track costs while building and running automated workflows.

We currently cover 50 markets. We add new countries regularly.

Algeria Argentina Australia Austria Bangladesh Belgium Brazil Bulgaria Canada Czechia Denmark Egypt Finland France Germany Ghana Greece Hungary India Indonesia Ireland Italy Japan Kenya Malaysia Mexico Morocco Netherlands New Zealand Nigeria Norway Pakistan Philippines Poland Portugal Romania Saudi Arabia Serbia Singapore South Africa Spain Sri Lanka Sweden Switzerland Thailand Turkiye United Arab Emirates United Kingdom United States Vietnam

Our support team responds to email inquiries within 1 business day. We can help with account, billing, and API integration questions.

We enforce a global rate limit per API-Key of 10 requests per second across all endpoints to ensure system stability. If you exceed this, our servers will return an HTTP 429 Too Many Requests status code. To handle this seamlessly in production, we recommend building rate-limiting logic or an exponential backoff (briefly pausing before retrying) directly into your application code.

Start Researching for Free

$1 free balance included • No credit card required • Access all features

Create Free Account