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UnifAPI pricing and alternatives: domain authority API, POST /seo/backlinks/bulk-ranks

UnifAPI's sitellms.txtBest domain authority API in 2026: pricing comparedUnifAPI: domain authority API alternatives

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0% complete: none of the 5 key fields we checkSee the 5 fields
$1.00per 1,000 domainsHalf of the 69 plans we rank by price cost $5.00 per 1,000 domains or less. This plan is cheaper than 62% of the 69 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: Pay-as-you-go one of UnifAPI's 3 plans
Call: POST /seo/backlinks/bulk-ranks one of UnifAPI's 2 calls for this API
API: Domain authority API one of UnifAPI's 68 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • None of the 5 key fields we check: Authority score, Spam score, Backlinks, Referring domains and Referring pages.
  • A balance you top up. You pay any amount. You spend the whole balance on calls.
  • One call. You send targets to POST /seo/backlinks/bulk-ranks. You can also send rank_scale. The call returns each domain's authority score.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

UnifAPI: domain authority API alternatives

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

This planUnifAPI, top-up, Pay-as-you-go, POST /seo/backlinks/bulk-ranksMajestic, $399.99 monthlyOmkar Cloud, $16 monthly, Starter Plan, GET /domains/authority, Domain AuthoritySE Ranking, top-up from $50, Wallet, GET /v1/backlinks/authority/domainMoz, $500 monthly
$ per 1,000 domains$1.00$0.80$0.80$1.00$1.00
Completeness0%60%60%20%80%
Billingpay firstmonthlymonthlypay firstmonthly
Payany amount$399.99$16$50$500
Enough foras many as you pay for500,000 results a month20,000 calls a month50,000 results500,000 results a month
Freshnessunknownunknownlive1 monthunknown
Who can get itanyoneanyone at least 18 years old and legally capable of entering binding contracts (no sales to Syria, Iran, Cuba, North Korea, Belarus, Russia or the Russian Occupied Territories of Ukraine)anyone aged 18 or over who is not in a country under a United States embargo or on a United States list of prohibited or restricted partiesanyone who isn't a direct competitor of SE Rankinganyone

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 2026-11-01.

  1. api.unifapi.com/openapi.json
  2. docs.unifapi.com/api/seo/backlinks/bulk-ranks/post
  3. docs.unifapi.com/rate-limits
  4. unifapi.com/apis/linkedin
  5. unifapi.com/apis/seo/backlinks/bulk-ranks/post
  6. unifapi.com/legal/acceptable-use-policy
  7. unifapi.com/legal/terms-of-service
  8. unifapi.com/pricing
  9. unifapi.com/pricing.md

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, not in the answer
  • Referring domains, not in the answer
  • Referring pages, not in the answer
Price
$ per 1,000 domains$1.00
Perresult
Billingpay first
Charges
Also pays forfrom the same budget: 324 other calls
Not found
$ per 1,000$50.00
In their words
Their pitchReturn the backlink rank score (0-1000, similar to PageRank) for up to 1000 domains, subdomains, or pages at once, for quick bulk authority comparison.
Data
Keep datano limit
Use dataYou agree not to use our services for any unlawful purpose or in any way that could damage, disable, or impair the service. Prohibited activities include but are not limited to: Violating any applicable laws or regulations, Infringing on intellectual property rights, Transmitting malicious code or harmful content, Attempting to gain unauthorized access to systems, Interfering with or disrupting the service. [...] You may not use our services to: [...] Send unsolicited bulk messages (spam) [...] Circumvent any access controls or usage limits [...]. Public data has different legal postures depending on jurisdiction and platform. We provide the technical access, you're responsible for downstream use.
Plan
Expiresnever
Rate limit
Per second1
Batch1,000
Speed
Answerin the call
The call
You sendtargets. Optional: rank_scale
MethodPOST
Path/seo/backlinks/bulk-ranks
About the plan
PlanPay-as-you-go
Who can get itanyone
The 2 fields the plan's answer can hold

target, rank

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