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LinkResearchTools: domain authority API pricing, 14 plans

LinkResearchTools's sitellms.txtDomain authority API: 4 providers compared on price and data

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40% complete: 2 of the 5 key fields we checkSee the 5 fields
$17 packWe haven't run LinkResearchTools through our domain authority API benchmark yet.This plan is a $17 pack. We rank 129 plans for domain authority APIs by price. Half the plans cost $3.98 per 1,000 domains or less.DataForSEO's top-up from $50 is the cheapest paid plan per 1,000 domains: $0.036.AnyAPI, SE Ranking and DataForSEO are the best domain authority API providers in our benchmark.
Plan: Trial for Superhero Small one of LinkResearchTools's 14 plans
Call: POST /toolkit/api.php LinkResearchTools's only call
API: Domain authority API LinkResearchTools's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 5 key fields we check. Backlinks, Referring domains.
  • A pack you buy once. You pay $17 for 20 credits. Unused credits expire at the end of the billing period.
  • One call. You send urls[] and values[] to POST /toolkit/api.php. You set action to "start_report". You can also send url_boost, tool, title and project. The call returns a job. You fetch the answer once the job is done.
  • Who can get it: anyone, it renews into the monthly Superhero Small plan at $599 unless cancelled. Keep data: no limit. Use data: with conditions.

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

  1. smart.linkresearchtools.com/docs/03-discover-lrt/3-api-integrations/lrt-api/linkresearchtools-api
  2. smart.linkresearchtools.com/docs/03-discover-lrt/3-api-integrations/lrt-api/lrt-api-specification
  3. smart.linkresearchtools.com/docs/product-faq/billing
  4. linkresearchtools.com/legal/terms
  5. linkresearchtools.com/pricing
  6. linkresearchtools.com/seo-tools/backlink-checker/bulk-url-analyzer/

Product details

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

  • Authority score, not in the answer
  • Spam score, not in the answer
  • Backlinks
  • Referring domains
  • Referring pages, not in the answer
Price
Billingpay first
Charges
Also pays fornothing else
In their words
Their pitchThe LRT API is based on the popular Bulk URL Analyzer (Juice Tool) and allows you to check up to 10,000 URLs per query with all the metrics that are available with LRT.
Data
Keep datano limit
Use dataThe Link Research Tools API is designed for internal customer applications only and specifically does not permit re-selling (like integration of the data into public available applications) of any data provided through the LinkResearchTools. For a reseller license, please contact us, we would be happy to provide data for your application. With this Agreement the Client agrees not to reproduce, duplicate, copy, sell, trade, resell, modify, and create derivative works, or exploit for any commercial purposes, any portion of the Service.
Plan
Pay$17
You get20 credits
Expiresat the end of the billing period
Rate limit
Batch10,000
Speed
Answerby polling
The call
You sendaction "start_report", urls[], values[]. Optional: url_boost, tool, title, project
MethodPOST
Path/toolkit/api.php
About the plan
PlanTrial for Superhero Small
Who can get itanyone, it renews into the monthly Superhero Small plan at $599 unless cancelled
The 8 fields the plan's answer can hold

URL, LRT Power, LRT Trust, backlinks, referring domains, country popularity, IP popularity, Class-C popularity

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