SignalSumo Domain authority API pricing
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100% complete: all 5 fields on our checklistSee the 5 fields
$4,950.00per 1,000 domainsWe haven't run SignalSumo through our domain authority API benchmark yet.We rank 252 plans for domain authority APIs by price. Half the plans cost $4.95 or less per 1,000 domains. This plan has the highest price per 1,000 domains of the 252 plans.Morningscore's $69 monthly plan is the cheapest paid plan per 1,000 domains. Morningscore's domain authority API costs nothing beyond the plan price. Pixel Tools' ₽99 pack costs the least for 10,000 domains a month: about $1.18.BacklinkMCP's $19 monthly plan covers any number of domains, and costs less up front than Morningscore's $69 monthly plan.AnyAPI, host.io and SearcherLite are the best domain authority API providers in the Datacircle benchmark.
Plan: Pro — monthly one of SignalSumo's 4 plans
- $99 monthlyPro — monthly$4,950.00 per 1,000
- $249 monthlyAgency — monthly$2,490.00 per 1,000
- $990 yearlyPro — annual$4,125.00 per 1,000
- $2,499 yearlyAgency — annual$2,082.50 per 1,000
Call:
GET / SignalSumo's only call for this APIAPI: Domain authority API one of SignalSumo's 4 APIs
About this item
- A copy at most 2 days old. You get the authority score from SignalSumo's index.
- All 5 fields on our checklist. Authority score, Spam score, Backlinks, Referring domains, Referring pages.
- A monthly subscription. You pay $99 a month for 20 requests. Calls stop once your requests run out.
- One call. You send
domaintoGET /. You can also sendbacklinks pageandlimit. The call returns the domain's authority score. - 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: domain authority API alternatives
SignalSumo alternatives: other domain authority API providers by price
We list other providers' plans closest to this plan in price per 1,000 domains. Each plan in the table gives live data or data at most a week old.
| This planSignalSumo, $99 monthly | UnblockingAPI, €10 pack | ScrapeWhale, $9.90 pack | DR Checker, $15 monthly, Pro, POST /api/tools/authority-score | Local SEO Data, top-up from $5 | |
|---|---|---|---|---|---|
| $ per 1,000 domains | $4,950.00 | $1.125 | $9.90 | $75.00 | $115.00 |
| Completeness | 100% | 60% | 20% | 40% | 80% |
| Billing | monthly | pay first | pay first | monthly | pay first |
| Pay | $99 | €10 | $9.90 | $15 | $5 |
| Enough for | 20 calls a month | 10,000 calls | 1,000 calls | 200 results a month | about 43 calls |
| Freshness | 2 days | live | 24 hours | 7 days | 7 days |
| Who can get it | anyone at least 18 years old and able to form a binding contract | anyone who creates an account and accepts the Terms of Service and Acceptable Use Policy, account verification may be required for production access or high-volume workloads | anyone who signs up for an account | anyone | anyone |
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.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Authority score
- Spam score
- Backlinks
- Referring domains
- Referring pages
| $ per 1,000 domains | $4,950.00 |
|---|---|
| Per | call |
| Billing | monthly |
| $ a month | $99 |
| Also pays for | from 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 |
|---|
| Units cap | hard |
|---|
| $ per 1,000 calls that find nothing | $4,950.00 |
|---|
| Their pitch | Returns a domain's backlink profile: a summary overview, distribution insights, and an enriched list of individual backlinks. |
|---|
| Freshness | 2 days |
|---|---|
| Keep data | no limit |
| Use data | The 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. |
| Pay | $99 |
|---|---|
| You get | 20 requests a month |
| Enough for | 20 calls a month |
| Expires | 1st of each month |
| Per second | 0.33 (20 a minute) |
|---|---|
| Batch | 1 |
| Answer | in the call |
|---|
| You send | domain. Optional: page, limit |
|---|---|
| Method | GET |
| Path | /backlinks |
| Plan | Pro — monthly |
|---|---|
| Who can get it | anyone at least 18 years old and able to form a binding contract |
The 20 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