Open web and SEOweb.backlinks.competitorsLive
Find domains whose backlinks overlap a target's
Returns the domains whose backlinks overlap a target's, with how many linking domains they share. Use it to find link-building competitors.
$0.0257 per call + $0.0000385 per competitor domain, up to $0.0295
Example response
{
"results": [
{
"domain": "ahrefs.com",
"domain_rank": 60,
"shared_linking_domain_count": 4921,
"linking_domain_count": null
},
{
"domain": "semrush.com",
"domain_rank": 56,
"shared_linking_domain_count": 4207,
"linking_domain_count": null
},
{
"domain": "hubspot.com",
"domain_rank": 50,
"shared_linking_domain_count": 2320,
"linking_domain_count": null
}
]
}The output of a real call, each list cut to 3 items.
Providers and pricing
| Provider | Price |
|---|---|
 DataForSEOdataforseo | $0.0257 per call + $0.0000385 per competitor domain, up to $0.0295 |
A failed call costs nothing.
What it costs at your volume
| Provider | Per call | Total |
|---|---|---|
| DataForSEOCheapest | $0.0261 | $260.65 |
Assumes the competitor domains per call set above. A provider priced per call charges the same whatever the count. Only calls that succeed are charged.
Input
targetstringRequiredThe domain or subdomain, without scheme or www, such as "moz.com", or the full URL of one page.
1 or more characters.
pageintegerPage of results, page_size per page. Domains come by shared_linking_domain_count, highest first.
At least 1.
page_sizeintegerResults per page. Each result adds to the price of the call.
From 1 to 100.
Output
resultslist of rows, 4 fields
domainstringRequiredA domain whose backlinks overlap the target's.
domain_rankintegerAuthority of the domain from its own backlinks, from 0 to 100. Each provider computes its own; scores of different providers do not compare.
shared_linking_domain_countintegerDomains that link to both this domain and the target.
linking_domain_countintegerDomains that link to this domain.
Common questions
How much does web.backlinks.competitors cost?
$0.0257 per call + $0.0000385 per competitor domain, up to $0.0295. It is debited from your balance, and only a call that succeeds is charged.
What does web.backlinks.competitors return?
Returns the domains whose backlinks overlap a target's, with how many linking domains they share. Use it to find link-building competitors. Fields: domain, domain_rank, shared_linking_domain_count and linking_domain_count.
Which providers serve web.backlinks.competitors?
DataForSEO. The answer comes back in Voxoria's own format, whichever provider serves it.
What happens if a call fails?
The call fails and costs nothing.
Do I need a subscription?
No. There is no subscription and no seat fee. You add funds and pay per call. A new account starts with $1 in its balance.
How do I use web.backlinks.competitors from an AI agent?
Connect Voxoria over MCP, then ask your agent in plain language. It calls call_tool with the tool web.backlinks.competitors and its input. In Claude Code, connect with claude mcp add --transport http voxoria https://mcp.voxoria.ai.