Backlink gap API: referring domains that link to either of two competitors but n...
https://seo.openverbs.com/v1/backlink-gapOverview
Backlink gap API: referring domains that link to either of two competitors but not to your target, using DataForSEO's indexed target exclusion. Returns up to 100 domains with actual matched competitors, backlink counts, link rank, spam score and first/lost dates. Live index observations, not proof a link still exists; empty results are valid.
Protocol
x402 (POST)
Price
$0.05
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Competitor backlink gap
Source
bazaar
Indexed
2026-11-14 15:08:18
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"body": {
"competitors": [
"ahrefs.com",
"semrush.com"
],
"limit": 20,
"target": "moz.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"competitors": [
"ahrefs.com",
"semrush.com"
],
"results": [
{
"domain": "example.org",
"links": [
{
"backlinks": 12,
"competitor": "ahrefs.com",
"firstSeen": "2026-10-01T12:00:00Z",
"linkRank": 113,
"lostAt": null,
"spamScore": 0
}
],
"matchedCompetitors": [
"ahrefs.com"
]
}
],
"returned": 1,
"stale": false,
"target": "moz.com",
"total": 4074
},
"type": "json"
}