Pricing

from $105.00 / 1,000 domain backlink summaries

Backlink Checker API - Backlinks & Competitor Gap

Check any domain's backlinks from $0.015 — rank, backlinks, referring domains, spam score, broken links — up to 100 domains per run. Plus ranked referring-domain lists, a competitor backlink gap, and new/lost monitoring that only charges when something changed. Native index data, not a UI scraper.

Pricing

from $105.00 / 1,000 domain backlink summaries

Rating

0.0

(0)

Developer

David S

Actor stats

Bookmarked

Total users

Monthly active users

11 days ago

Last modified

Categories

SEO tools

E-commerce

Automation

Target domains

domains

Required

One or more target domains to analyze (e.g. monday.com). Each is normalized (scheme/path/www. stripped, lowercased) and deduplicated before any upstream API call (identical tasks are not refundable per upstream API ToS). One dataset row is produced per unique domain (in monitor mode, one row per link gained or lost). FREE PLAN: 3 domains in check mode, or 1 domain in summary mode — extra domains are trimmed and the run explains why. Paid plans: up to 100 domains, all modes.

Type:string[]

Min. items:1

Max. items:100

Mode

mode

Optional

What to return per domain. 'check' = cheapest lookup ($0.015/domain), bulk-check up to 100 domains — rank, backlinks, referring domains, spam score, broken links. 'summary' = full backlink profile for one domain (the default). 'referring_domains' = ranked list of referring domains. 'competitor_gap' = domains linking to your competitors but NOT to your target (requires the Competitors field). 'monitor' = new & lost referring domains since your last run — you're only charged on runs that actually find changes. FREE PLAN: 'check' allows 3 domains; every other mode is clamped to 1 domain in 'summary'.

Type:string

Default:summary

Options:

summarycheckreferring_domainscompetitor_gapmonitor

Monitor label (monitor mode only)

monitorLabel

Optional

Optional name for this watchlist in 'monitor' mode, e.g. "client-acme" or "my-sites". The label is how the Actor remembers where it left off, so each label keeps its own independent history — use different labels to track the same domain in separate watchlists (say, a weekly and a monthly report). Leave empty and a label is derived from the set of domains you submitted, so re-running the same list automatically continues it. Ignored in other modes.

Type:string

Max. length:100

Competitors (gap mode only)

competitors

Optional

Rival domains for competitor_gap mode. The actor returns referring domains that link to these competitors but NOT to your target — your backlink prospecting list. Ignored in other modes. Normalized + deduplicated like domains.

Type:string[]

Min. items:0

Max. items:10

Row limit (list modes)

limit

Optional

Maximum rows returned for referring_domains, competitor_gap, and monitor modes. In monitor the cap applies per direction, so a domain that both gained and lost links can return up to 2× this many rows. Ignored by summary and check. Flat pricing — a higher limit returns more rows at the same price. 1–1000.

Type:integer

Minimum:1

Maximum:1000

Default:100

Include subdomains

includeSubdomains

Optional

Treat the target as a whole domain including its subdomains (e.g. blog.monday.com counts toward monday.com). Passed through to the upstream API. Default true.

Type:boolean

Default:true

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