Backlink API

Price: 6 credits per request

Description: Uncover all the backlinks pointing to a specific URL or a full domain.

Query string parameters

Name Parameter Description
URL &url=

The URL you want to analyse

– Backlinks pointing to a specific PAGE, example:
– Backlinks pointing to the full DOMAIN, example: (without “www” and “https”)

Limit &limit=

Optional: Set a maximum for the number off backlinks you want to return.

example: 10, default = 100

Offset &offset=

Optional: Use the offset parameter to get the backlinks after the specified number.

example: 10, default = 0

Dofollow &dofollow_only

Optional: Use the dofollow_only paramter to only get the dofllow backlinks.

example: 1, default = 0

Unique domains &unique_domains Optional: Use the unique_domains parameter to only get one backlink per domain.

example: 1, default = 0

Key &key= Your private API key

Response elements

Name Description
URL URL where the backlink is from
Domain Domain where the backlink is from
Spam score Spam score of the backlink on a 0 – 100 scale (a 100 being a very toxic backlink)
Page authority The authority of the backlink page on a 0 – 100 scale
Domain authority The authority of the backlink domain on a 0 – 100 scale
Link type Link type (anchor, image, link, meta, canonical, alternate, redirect)
Anchor text The text of the backlink
Alt The ALT tag in the case of an image link
Dofollow If the backlink is dofollow (true or false)
First seen Date and time when the backlink was first discovered
Last seen Date and time when the backlink was first discovered
Link is lost True or False
Link is new True or False
Broken status If the backlink is broken (true or false) and responding with a error code
External links on page Total number of external links on the page with backlink
Link attribute Link atributes (nofollow, noopener, ugc, …. )
IP The IP address of the backlink
Landing page
URL The URL where the backlink is pointing to (the landing page)
Spam score The Spam score on a 0 – 100 scale of the landing page
Status code Status code of the landing page

Backlink spam score explained

Spam score Explanation
0 -30 Low spam score
30 – 60 Medium spam score
60 – 100 High spam score

Tool: Backlink Checker (API powered)

More information: discover more about this API

PHP code example


    API documentation for SEO Review Tools.
    API info:
    API documentation:

// input URL or domain
$inputUrl '';

// API key 
$apiKey 'YOUR-API-KEY';

// specific API url 
$apiRequestUrl ''.$inputUrl.'&unique_domains=1&key='.$apiKey;

// get data from API
$jsonReposnse file_get_contents($apiRequestUrl);

// convert JSON to PHP array
$dataArray json_decode($jsonReposnsetrue);

// check if API call is success or failed
// (just some basic validation)

// API call fail
if ($dataArray['status'] !== 'ok'){

// return error message
echo 'Error message: '.$dataArray['error message'];

// API call success    
} else {

// print data


Python code example

# API documentation for SEO Review Tools.
# API info:
# API documentation:
# LinkedIn:

import requests

# API key
apiKey = 'YOUR-API-KEY'

# input URL or domain
inputUrl = ''

toolRequestUrl = ''+inputUrl+'&unique_domains=1&key='+apiKey

r = requests.request("GET", toolRequestUrl,)

JSON response example

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