Get the authority metrics of a URL or domain

POST/v1/tools/web.url.metrics/callsNeeds an API key

Returns the rank, backlink count and linking domain count of each domain or URL you send. Use it to compare authority across many targets in one call.

Tool web.url.metrics on Open web and SEO. Contract version 1, released 2026-10-27.

Over REST, send the input in the body. Over MCP, pass the same input to call_tool.

Both return the full response: the call's ID, status and cost, with this tool's result in output.

Input

targetsarray of stringRequired

Domains or subdomains, without scheme or www, such as "moz.com", or full URLs of pages.

Each item: 1 or more characters.

1 to 50 items.

No item twice.

Output

A successful call returns these blocks in its output. A field not marked required can be null.

`results`

A list of rows. Always present, possibly empty.

targetstringRequired

The target as it was asked for.

rankinteger

Authority of the target from its backlinks, from 0 to 100, the domain's for a domain and the page's for a URL. Each provider computes its own; scores of different providers do not compare.

backlink_countinteger

Links to the target from other sites.

linking_domain_countinteger

Domains that link to the target.

curl https://api.voxoria.ai/v1/tools/web.url.metrics/calls \
  -H "Authorization: Bearer $VOXORIA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"input":{"targets":["moz.com","ahrefs.com"]}}'

import os

import httpx

response = httpx.post(
    "https://api.voxoria.ai/v1/tools/web.url.metrics/calls",
    headers={"Authorization": f"Bearer {os.environ['VOXORIA_API_KEY']}"},
    json={"input": {"targets": ["moz.com", "ahrefs.com"]}},
    timeout=60,
)
print(response.json())

const response = await fetch("https://api.voxoria.ai/v1/tools/web.url.metrics/calls", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VOXORIA_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"input": {"targets": ["moz.com", "ahrefs.com"]}}),
});
console.log(await response.json());

{
  "name": "call_tool",
  "arguments": {
    "tool": "web.url.metrics",
    "input": {
      "targets": [
        "moz.com",
        "ahrefs.com"
      ]
    }
  }
}

200 OKoutputapplication/json

{
  "results": [
    {
      "target": "moz.com",
      "rank": 75,
      "backlink_count": null,
      "linking_domain_count": null
    },
    {
      "target": "ahrefs.com",
      "rank": 82,
      "backlink_count": null,
      "linking_domain_count": null
    }
  ]
}

The output of a real call, each list cut to 3 items.