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1Lookup pricing and alternatives: domain authority API, POST /domain-authority

1Lookup's sitellms.txtBest domain authority API in 2026: pricing compared1Lookup: domain authority API alternatives

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20% complete: 1 of the 5 key fields we checkSee the 5 fields
$49.50per 1,000 domainsHalf of the 65 plans we rank by price cost $5.00 per 1,000 domains or less. This plan is cheaper than 3% of the 65 plans.DataForSEO's top-up from $50 costs the least per 1,000 domains: $0.036.AnyAPI, DataForSEO and SE Ranking are the best domain authority API providers in our benchmark.
Plan: Starter one of 1Lookup's 9 plans
Call: POST /domain-authority one of 1Lookup's 4 calls for this API
API: Domain authority API one of 1Lookup's 34 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 5 key fields we check. Authority score.
  • A monthly subscription. You pay $99 a month for 20,000 credits, enough for 2,000 calls. Unused credits roll over for up to 3 months.
  • One call. You send domain to POST /domain-authority. The call returns the domain's authority score.
  • Who can get it: anyone with a business name and a working business email address. Keep data: with conditions. Use data: with conditions.

1Lookup: domain authority API alternatives

We list other providers' plans closest to this plan in price per 1,000 domains.

This plan1Lookup, $99 monthly, Starter, POST /domain-authoritySE Ranking, top-up from $50, Wallet, GET /v1/backlinks/summaryDataForSEO, top-up from $50, Pay as you go, POST /v3/backlinks/summary/liveAnyAPI, top-up from $10, Manual top-up, POST /v1/run/seo.backlinks_summaryAhrefs, $129 monthly, Lite, GET /v3/site-explorer/domain-rating
$ per 1,000 domains$49.50$20.00$24.036$28.85$32.25
Completeness20%60%100%100%20%
Billingmonthlypay firstpay firstpay firstmonthly
Pay$99$50$50$10$129
Enough for2,000 calls a month2,500 resultsabout 2,080 callsabout 346 calls4,000 calls a month
Freshnessunknown1 monthstoredunknownunknown
Who can get itanyone with a business name and a working business email addressanyone who isn't a direct competitor of SE Rankinganyone not in Russia, Belarus, Cuba, Iran, Syria, Myanmar, North Korea or Russian-occupied Ukraineanyone 18 or over, for business or professional use, not in an embargoed jurisdiction or on a restricted-party listanyone with an Ahrefs account, only workspace owners and admins create API keys

Every domain authority API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-31.

  1. 1lookup.io/docs
  2. 1lookup.io/llms.txt
  3. 1lookup.io/openapi.json
  4. 1lookup.io/pricing
  5. 1lookup.io/products/email-enrichment
  6. 1lookup.io/products/hlr-lookup
  7. 1lookup.io/terms

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, not in the answer
  • Backlinks, not in the answer
  • Referring domains, not in the answer
  • Referring pages, not in the answer
Price
$ per 1,000 domains$49.50
Percall
Billingmonthly
$ a month$99
Charges
Repeat free7 days
Also pays forfrom the same budget: 73 other calls
In their words
Their pitchScore a domain's search footprint: authority score, organic/paid keyword counts, estimated traffic and traffic value.
Data
Keep datayour subscription term: Output Data may not be retained after the subscription terminates, except as required by law
Use datawe grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Service, and to use Output Data, for your internal business purposes during your subscription term, You must not, and must not permit any third party to: Resell, sublicense, rent, lease, distribute, or otherwise make the Service or Output Data available to any third party, except as expressly permitted in writing by us, Build, populate, enrich, or maintain a competing or substitute database, list, or product from Output Data, or use Output Data to train any machine learning or artificial intelligence model, Copy, scrape, cache, or store Output Data beyond what is reasonably necessary for your internal business use, or retain Output Data after your subscription terminates except as required by law, Reverse engineer, decompile, or disassemble any part of the Service, or attempt to discover its source code, underlying data sources, algorithms, or scoring logic, Circumvent or attempt to circumvent any rate limit, quota, usage limit, authentication, or access control, Remove, obscure, or alter any proprietary notice, or misrepresent the source of Output Data, Use the Service to benchmark against a competing product, or publish performance or accuracy comparisons, without our prior written consent, Access the Service by any automated means other than our documented APIs, or use the Service in a manner that interferes with its integrity, security, or performance [...] You must not use the Service, or Output Data, to: Violate any applicable law, regulation, or third-party right, Send, or enable others to send, unlawful telemarketing, robocalls, spam, or unsolicited or non-consented calls, texts, faxes, or emails, Harass, stalk, threaten, defraud, extort, dox, discriminate against, or harm any person, or facilitate any of the foregoing, Determine any person's eligibility for credit, insurance, employment, housing, government benefits, or any other purpose governed by the Fair Credit Reporting Act, as further described in Section 9, Identify, locate, surveil, or track any individual without a lawful basis, or to skip-trace or investigate any individual in violation of law, Collect, compile, enrich, sell, or license personal data without a lawful basis and required consents, Build, train, or improve a competing product, dataset, list, or machine learning or artificial intelligence model, Resell, redistribute, or provide the Service or Output Data to third parties [...]
Plan
Pay$99
You get20,000 credits a month
Enough for2,000 calls a month
Expiresunused credits roll over for up to 3 months
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain
MethodPOST
Path/domain-authority
About the plan
PlanStarter
Who can get itanyone with a business name and a working business email address
The 19 fields the plan's answer can hold

success, request ID, request type, input, timestamp, processing time, found, domain, authority score, search rank, organic traffic, runs paid ads, organic keywords, organic traffic value in USD, paid keywords, paid traffic, paid share, credits used, cache hit

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