The SEO Authority Metrics API delivers instant access to essential SEO data, including Domain Authority (DA) and Page Authority (PA) scores. These metrics evaluate a site's potential to rank in search engines, calculated on a 1-100 scale. Use this API to analyze specific domains or pages, track competition, or automate SEO tasks like link audits and keyword optimization. Outputs include JSON-formatted insights such as authority scores, inbound links, and referring domains for seamless integration into tools and platforms.
{
"domain_authority": 1,
"external_nofollow_urls_to_url": "-1",
"external_urls_to_url": 194,
"page_authority": 28,
"spam_score": 73
}
curl --location --request POST 'https://zylalabs.com/api/5631/seo+authority+metrics+api/7334/get+domain+authority' --header 'Authorization: Bearer YOUR_API_KEY'
--data-raw '{
"q": "example.com"
}'
| Header | Description |
|---|---|
Authorization
|
[Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed. |
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
The SEO Authority Metrics API provides instant access to essential SEO data, including Domain Authority (DA) and Page Authority (PA) scores, which help evaluate a site's potential to rank in search engines.
Domain Authority and Page Authority scores are calculated on a scale from 1 to 100, based on various factors such as inbound links, referring domains, and overall site performance.
You can retrieve JSON-formatted insights including authority scores, inbound links, referring domains, and other relevant metrics to help inform your SEO strategies.
You can analyze specific domains or pages to track competition by comparing their authority scores and link profiles, which can help you identify strengths and weaknesses in your SEO strategy.
Yes, the SEO Authority Metrics API can be used to automate various SEO tasks such as link audits and keyword optimization, allowing for more efficient management of your SEO efforts.
The Get Domain Authority endpoint returns essential SEO metrics, including Domain Authority (DA), Page Authority (PA), spam score, the number of external URLs, and external nofollow URLs associated with the specified domain or URL.
Key fields in the response include "domain_authority," "page_authority," "spam_score," "external_urls_to_url," and "external_nofollow_urls_to_url," which provide insights into the site's SEO performance and link profile.
The response data is structured in JSON format, with each key representing a specific metric. For example, "domain_authority" indicates the site's overall authority, while "spam_score" assesses potential spam risks.
Users can send a POST request with parameters such as the domain or URL they wish to analyze. Customization is limited to the specific domain or URL input, allowing for targeted analysis.
This endpoint provides information on authority scores, inbound links, referring domains, and spam scores, which are crucial for evaluating a site's SEO standing and potential ranking.
Data accuracy is maintained through continuous updates and quality checks, ensuring that the metrics reflect the latest SEO trends and link profiles for the analyzed domains.
Typical use cases include conducting competitive analysis, performing link audits, optimizing keywords, and tracking changes in domain authority over time to inform SEO strategies.
Users can leverage the returned data to identify high-authority domains for backlink opportunities, assess their own site's performance, and adjust their SEO strategies based on competitive insights.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
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The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
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Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
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