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x402-gateway: Backlinks Overview
x402
x402-gateway: Backlinks Overview is a paid API for AI agents from x402.freeq.one, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-17).
Returns a backlink overview for any domain, including referring domains, total backlink count, and domain authority — pay-per-call in USDC on Base.
Price / call$0.05
Success—
StatusUnknown
How this service works
Backlinks Overview: Backlink overview for any domain — referring domains, backlink count, authority. Priced below typical SEO-data APIs. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/backlinks_overview.
Output
A JSON object containing a backlink overview for the requested domain, including metrics such as referring domain count, total backlink count, and domain authority score, scoped to the specified language and Google location.
Example use cases
Competitor backlink audit for SEO
“Can you get me the backlink overview for competitor.com so I can see how many referring domains and total backlinks they have? Use the US market data.”
Domain authority check before acquisition
“I'm considering buying the domain oldsite.com — can you pull a backlink overview for it so I can see its referring domains and authority before I make an offer?”
Client SEO reporting dashboard
“I need a backlink overview for myclient.com in English for the US market — referring domain count, total backlinks, and any authority info you can get.”
Technical details
Endpoint
POSThttps://x402.freeq.one/tools/backlinks_overview?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, low-cost backlink overview for any domain without signing up for a full SEO platform subscription. It is ideal for one-off checks, competitive research, or agent workflows that need domain authority signals on demand, billed per call in USDC with no monthly commitment.
Side effects
- Invalid or malformed domain input returns an error
- Unsupported language_code or location_code may return empty or default results
- Payment failure on Base network results in a 402 response and no data returned
- Domain with no indexed backlinks may return zero counts
- Transient upstream SEO data provider outages may return partial or empty results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | Domain, e.g. example.com (no path) |
| language_code | string | Language code (default 'en') |
| location_code | integer | Google location code (default 2840 = United States) |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {}
}
}Tags
x402
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