# Best domain authority API in 2026

> [AnyAPI](https://datacircle.dev/domain-authority-apis/anyapi/top-up-from-10-manual-top-up-post-v1-run-semrush-overview), [DataForSEO](https://datacircle.dev/domain-authority-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-backlinks-bulk-ranks-live) and [SE Ranking](https://datacircle.dev/domain-authority-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-backlinks-authority-domain) are the best domain authority API providers in our benchmark. We benchmarked 4 providers and rank all 4 by score. For the three we score highest, we show each one's top scoring plan, each part of the plan's score and what 1,000 domains cost. We rank 48 plans by price. [DataForSEO's top-up from $50](https://datacircle.dev/domain-authority-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-backlinks-bulk-ranks-live) costs the least per 1,000 domains: $0.036.

1. [AnyAPI, top-up from $10, Manual top-up: Domain authority API](https://datacircle.dev/domain-authority-apis/anyapi/top-up-from-10-manual-top-up-post-v1-run-semrush-overview): Overall score 60.3 (Price 64, Data 29, Cost to get started 93, Bundle 100, Performance 100), $4.95 per 1,000 domains
   - It returns 4 of the 5 key fields we check: Authority score, Spam score, Backlinks, Referring domains.
   - On 30 October 2026, we sent this provider all 20 domains in our benchmark.
   - This plan scored 0.2893 out of 1 on those 20 domains. That gives this plan a Data score of 29 out of 100.
2. [DataForSEO, top-up from $50, Pay as you go: Domain authority API](https://datacircle.dev/domain-authority-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-backlinks-bulk-ranks-live): Overall score 57.3 (Price 88, Data 2, Cost to get started 82, Bundle 92, Performance 100), $0.036 per 1,000 domains
   - It returns 1 of the 5 key fields we check: Authority score.
   - On 30 October 2026, we sent this provider all 20 domains in our benchmark.
   - This plan scored 0.0163 out of 1 on those 20 domains. That gives this plan a Data score of 2 out of 100.
3. [SE Ranking, $29 monthly, Add-on, monthly billing: Domain authority API](https://datacircle.dev/domain-authority-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-backlinks-authority-domain): Overall score 53.3 (Price 78, Data 2, Cost to get started 82, Bundle 86, Performance 100), $0.967 per 1,000 domains
   - It returns 1 of the 5 key fields we check: Authority score.
   - On 30 October 2026, we sent this provider all 20 domains in our benchmark.
   - This plan scored 0.0154 out of 1 on those 20 domains. That gives this plan a Data score of 2 out of 100.

The Data score on domain authority APIs: This score, out of 100, shows how much of a domain's data a provider's call returns. We send each domain to the provider's call. Where a call asks for a country, we set the United States. For each domain, we count the parts the answer held, such as the authority score and the backlinks. We divide that count by the parts we count for the domain. We count a part when a live call that offers the part returned it for the domain. On a domain where fewer than two live calls offer the part and return data, we count the part when any call returned it. Then we average the results over all domains. Each domain counts the same. When a provider didn't find a domain, we count that domain as 0. We compare a provider that ran on fewer domains with the other providers on those same domains. A provider can't score higher by running only on easy domains. We lower the score when we test the call on fewer domains than the benchmark has.

## Every domain authority API provider we score, ranked

1. [AnyAPI, top-up from $10, Manual top-up](https://datacircle.dev/domain-authority-apis/anyapi/top-up-from-10-manual-top-up-post-v1-run-semrush-overview): Overall score 60.3, Data score 29, $4.95 per 1,000 domains
2. [DataForSEO, top-up from $50, Pay as you go](https://datacircle.dev/domain-authority-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-backlinks-bulk-ranks-live): Overall score 57.3, Data score 2, $0.036 per 1,000 domains
3. [SE Ranking, $29 monthly, Add-on, monthly billing](https://datacircle.dev/domain-authority-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-backlinks-authority-domain): Overall score 53.3, Data score 2, $0.967 per 1,000 domains
4. [RankParse, $199 pack, Lifetime deal](https://datacircle.dev/domain-authority-apis/rankparse/199-pack): Overall score 38.9, Data score 4, $1.99 per 1,000 domains

Last updated: October 31, 2026. The page: https://datacircle.dev/best-domain-authority-api. Every plan: https://datacircle.dev/domain-authority-api-pricing. The benchmark: https://datacircle.dev/domain-authority-api-pricing/benchmark.csv.