Datacircle

SignalSumo Backlink API pricing

SignalSumo's siteThis page as plain textBacklinks API: the 8 best of 50+ SEO data providers comparedSignalSumo: backlink API alternatives

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100% complete: all 5 fields on our checklistSee the 5 fields
$24.75per 1,000 backlinksWe haven't run SignalSumo through our backlink API benchmark yet.We rank 125 plans for backlink APIs by price. Half the plans cost $0.245 or less per 1,000 backlinks. This plan costs less per 1,000 backlinks than 2% of the 125 plans.Keys.so's ₽34,900 (about $417) monthly plan is the cheapest paid plan per 1,000 backlinks, with no charge per call. You get as many backlinks as Keys.so's rate limit allows. AnyAPI's pay-as-you-go plan costs the least for 10,000 backlinks a month: $0.50.BacklinkMCP's $19 monthly plan covers any number of backlinks, and costs less up front than Keys.so's ₽34,900 (about $417) monthly plan.DataForSEO, BacklinkMCP and SE Ranking are the best backlink API providers in the Datacircle benchmark.
Type a number to see the cheapest SignalSumo plan for that many backlinks. The table below then sorts the other plans by what each costs.
Plan: Pro — monthly one of SignalSumo's 4 plans
Call: GET /backlinks SignalSumo's only call for this API
API: Backlink API one of SignalSumo's 4 APIs

About this item

  • A copy at most 2 days old. You get backlinks from SignalSumo's index.
  • All 5 fields on our checklist. Source URL, Anchor text, Follow or nofollow, Authority, First and last seen.
  • A monthly subscription. You pay $99 a month for 20 requests, enough for 20 pages. Calls stop once your requests run out.
  • One call. You send domain to GET /backlinks. You can also send page and limit. The call returns the links that point to the domain you send.
  • Who can get it: anyone at least 18 years old and able to form a binding contract. Keep data: no limit. Use data: with conditions.

SignalSumo: backlink API alternatives

SignalSumo alternatives: other backlink API providers by price

We list other providers' plans closest to this plan in price per 1,000 backlinks. Each plan in the table gives live data or data at most a week old.

This planSignalSumo, $99 monthlyBacklinkMCP, freeVebAPI, free trial, GET /api/backlinks/new
$ per 1,000 backlinks$24.75$0.00$0.00
Completeness100%40%80%
Billingmonthlyfreefree
Pay$99$0$0
Enough for20 pages a month10 pages a daynot published
Freshness2 days7 days24 hours
Who can get itanyone at least 18 years old and able to form a binding contractanyoneanyone at least 18 years old with the legal authority to accept the terms

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-12.

  1. signalsumo.com/api-docs
  2. signalsumo.com/page/terms-of-use
  3. signalsumo.com/pricing

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Source URL
  • Anchor text
  • Follow or nofollow
  • Authority
  • First and last seen
Price
$ per 1,000 backlinks$24.75
Perpage of 200
Billingmonthly
$ a month$99
Charges
Also pays forfrom the same budget: GET Usage · POST Keywords · POST Site Audit · GET Jobs · GET Tracked Keywords · GET Rank History · GET GSC Properties · GET GSC Queries · GET AI Projects · GET Share of Voice · GET Locations
Overage
Units caphard
Not found
$ per 1,000 calls that find nothing$4,950.00
In their words
Their pitchReturns a domain's backlink profile: a summary overview, distribution insights, and an enriched list of individual backlinks.
Data
Freshness2 days
Keep datano limit
Use dataThe reports, analysis outputs, and data exports generated by the Platform for your account are yours to use for your own business purposes. You may not resell or redistribute Platform outputs as a standalone data product without our express written consent. [...] You must not: [...] Share account credentials with third parties or resell access to the Platform without authorisation. [...] Use any output from the Platform to engage in spam, phishing, or other deceptive practices.
Plan
Pay$99
You get20 requests a month
Enough for20 pages a month
Expires1st of each month
Rate limit
Per second0.33 (20 a minute)
Batch1
Speed
Answerin the call
The call
You senddomain. Optional: page, limit
MethodGET
Path/backlinks
About the plan
PlanPro — monthly
Who can get itanyone at least 18 years old and able to form a binding contract
The 50 fields the plan's answer can hold

domain, domain rank, total backlinks, referring domains, referring domains nofollow, referring main domains, referring pages, referring IP addresses, referring subnets, dofollow backlinks, broken backlinks, broken pages, spam score, first seen, lost date, referring link types, referring link attributes, referring link platform types, referring link TLDs, referring link countries, source domain, source URL, target URL, anchor text, dofollow, backlink spam score, last seen, semantic location, source platform type, source country, is broken, source domain rank, source page rank, is lost, is new, link type, source page title, source page status code, target status code, source IP address, source TLD, identical links count, is indirect link, source URL is HTTPS, link attributes, text before anchor, text after anchor, keywords in top 3, keywords in top 10, keywords in top 100

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