# DataForSEO, free, $1 trial credit, POST /v3/backlinks/bulk_ranks/live: Domain authority API

> This endpoint will provide you with rank scores of the domains, subdomains, and pages specified in the targets array. The score is based on the number of referring domains pointing to the specified domains, subdomains, or pages.

DataForSEO's domain authority API on its $1 trial credit plan. It costs $0.00 per 1,000 domains. It returns 1 of the 5 key fields we check: Authority score.
We rank 27 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/llms.txt) costs the least per 1,000 domains: $0.036.

- This page: https://datacircle.dev/domain-authority-apis/dataforseo/free-1-trial-credit-post-v3-backlinks-bulk-ranks-live
- Get it: https://dataforseo.com/pricing
- Request: `POST https://api.dataforseo.com/v3/backlinks/bulk_ranks/live`
- API key: with the plan, on https://dataforseo.com/pricing
- Its API docs: https://docs.dataforseo.com/v3/backlinks/bulk_ranks/live/
- Sold by: DataForSEO (https://dataforseo.com)
- Checked: 2026-10-29

## In the answer

- Completeness: 20%
- Authority score: ✓

## Price

- $ per 1,000 domains: $0.00
- Per: result
- Billing: free

## Charges

- Repeat free: never
- Start fee: $0.00
- Also pays for: from the same budget: SERP API · AI Optimization API · Backlinks API · Content Analysis API · DataForSEO Labs API · Keywords Data API · OnPage API · Merchant API · App Data API · Business Data API · Reviews API · Domain Analytics API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: This endpoint will provide you with rank scores of the domains, subdomains, and pages specified in the targets array. The score is based on the number of referring domains pointing to the specified domains, subdomains, or pages.

## Data

- Freshness: stored
- Keep data: no limit
- Use data: any search engine results page (SERP) data or content obtained through the Service, including but not limited to data from Google, Bing, Yahoo, and other search engine providers, shall not be used to compete with or adversely affect the business interests of the search engine providers from which such data originates

## Plan

- Pay: $0
- You get: $1
- Enough for: about 27,777 results, once
- Expires: never

## Rate limit

- Per second: 166.67
- Concurrent: 30
- Batch: 1,000

## The call

- You send: targets. Optional: rank_scale, tag
- Method: POST
- Path: /v3/backlinks/bulk_ranks/live

## About the plan

- Plan: $1 trial credit
- Who can get it: new accounts, one each, not in Russia, Belarus, Cuba, Iran, Syria, Myanmar, North Korea or Russian-occupied Ukraine

## The 2 fields the plan's answer can hold

domain, domain rank

## DataForSEO's plans (3)

- [DataForSEO, free, $1 trial credit, POST /v3/backlinks/bulk_ranks/live](https://datacircle.dev/domain-authority-apis/dataforseo/free-1-trial-credit-post-v3-backlinks-bulk-ranks-live/llms.txt): $0.00 per 1,000, 20% complete, stored
- [DataForSEO, top-up from $50, Pay as you go, POST /v3/backlinks/bulk_ranks/live](https://datacircle.dev/domain-authority-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-backlinks-bulk-ranks-live/llms.txt): $0.036 per 1,000, 20% complete, stored
- [DataForSEO, contact us, Custom pricing quote, POST /v3/backlinks/bulk_ranks/live](https://datacircle.dev/domain-authority-apis/dataforseo/contact-us-custom-pricing-quote-post-v3-backlinks-bulk-ranks-live/llms.txt): 20% complete, stored

## DataForSEO's calls for this API (2)

- `POST /v3/backlinks/summary/live`: [DataForSEO, free, $1 trial credit, POST /v3/backlinks/summary/live](https://datacircle.dev/domain-authority-apis/dataforseo/free-1-trial-credit-post-v3-backlinks-summary-live/llms.txt)
- `POST /v3/backlinks/bulk_ranks/live`: [DataForSEO, free, $1 trial credit, POST /v3/backlinks/bulk_ranks/live](https://datacircle.dev/domain-authority-apis/dataforseo/free-1-trial-credit-post-v3-backlinks-bulk-ranks-live/llms.txt)

## DataForSEO's APIs (9)

- [DataForSEO: keyword research API pricing, 3 plans, POST /v3/keywords_data/bing/search_volume/live](https://datacircle.dev/keyword-research-apis/dataforseo/free-1-trial-credit-post-v3-keywords-data-bing-search-volume-live/llms.txt)
- [DataForSEO: keyword research API pricing, 3 plans, POST /v3/dataforseo_labs/google/keyword_overview/live](https://datacircle.dev/keyword-research-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-google-keyword-overview-live/llms.txt)
- [DataForSEO: keyword research API pricing, 3 plans, POST /v3/keywords_data/google_ads/search_volume/live](https://datacircle.dev/keyword-research-apis/dataforseo/free-1-trial-credit-post-v3-keywords-data-google-ads-search-volume-live/llms.txt)
- [DataForSEO: related keywords API pricing, 3 plans, POST /v3/keywords_data/bing/keywords_for_keywords/live](https://datacircle.dev/related-keywords-apis/dataforseo/free-1-trial-credit-post-v3-keywords-data-bing-keywords-for-keywords-live/llms.txt)
- [DataForSEO: related keywords API pricing, 3 plans, POST /v3/keywords_data/google_ads/keywords_for_keywords/live](https://datacircle.dev/related-keywords-apis/dataforseo/free-1-trial-credit-post-v3-keywords-data-google-ads-keywords-for-keywords-live/llms.txt)
- [DataForSEO: related keywords API pricing, 3 plans, POST /v3/dataforseo_labs/google/keyword_ideas/live](https://datacircle.dev/related-keywords-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-google-keyword-ideas-live/llms.txt)
- [DataForSEO: related keywords API pricing, 3 plans, POST /v3/dataforseo_labs/google/keyword_suggestions/live](https://datacircle.dev/related-keywords-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-google-keyword-suggestions-live/llms.txt)
- [DataForSEO: related keywords API pricing, 3 plans, POST /v3/dataforseo_labs/google/related_keywords/live](https://datacircle.dev/related-keywords-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-google-related-keywords-live/llms.txt)
- [DataForSEO: SERP API pricing, 3 plans, bing/organic/live/advanced](https://datacircle.dev/serp-apis/dataforseo/free-1-trial-credit-post-v3-serp-bing-organic-live-advanced/llms.txt)
- [DataForSEO: SERP API pricing, 3 plans, google/organic/live/advanced](https://datacircle.dev/serp-apis/dataforseo/free/llms.txt)
- [DataForSEO: SERP API pricing, 3 plans, google/organic/live/html](https://datacircle.dev/serp-apis/dataforseo/free-1-trial-credit-post-v3-serp-google-organic-live-html/llms.txt)
- [DataForSEO: SERP API pricing, 3 plans, google/organic/live/regular](https://datacircle.dev/serp-apis/dataforseo/free-1-trial-credit-post-v3-serp-google-organic-live-regular/llms.txt)
- [DataForSEO: SERP API pricing, 3 plans, google/organic/task_post, Setting Google Organic SERP Tasks (priority queue)](https://datacircle.dev/serp-apis/dataforseo/free-1-trial-credit-post-v3-serp-google-organic-task-post-setting-google-organic-serp-tasks-priority-queue/llms.txt)
- [DataForSEO: SERP API pricing, 3 plans, google/organic/task_post, Setting Google Organic SERP Tasks (standard queue)](https://datacircle.dev/serp-apis/dataforseo/free-1-trial-credit-post-v3-serp-google-organic-task-post-setting-google-organic-serp-tasks-standard-queue/llms.txt)
- [DataForSEO: backlink API pricing, 3 plans](https://datacircle.dev/backlink-apis/dataforseo/free/llms.txt)
- [DataForSEO: tech stack API pricing, 3 plans](https://datacircle.dev/company-technology-apis/dataforseo/free/llms.txt)
- [DataForSEO: domain authority API pricing, 3 plans, POST /v3/backlinks/bulk_ranks/live](https://datacircle.dev/domain-authority-apis/dataforseo/free-1-trial-credit-post-v3-backlinks-bulk-ranks-live/llms.txt)
- [DataForSEO: ranked keywords API pricing, 3 plans, POST /v3/dataforseo_labs/bing/ranked_keywords/live](https://datacircle.dev/ranked-keywords-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-bing-ranked-keywords-live/llms.txt)
- [DataForSEO: ranked keywords API pricing, 3 plans, POST /v3/dataforseo_labs/google/ranked_keywords/live](https://datacircle.dev/ranked-keywords-apis/dataforseo/free/llms.txt)
- [DataForSEO: company discovery API pricing, 3 plans, domains_by_html_terms](https://datacircle.dev/company-discovery-apis/dataforseo/free-1-trial-credit-post-v3-domain-analytics-technologies-domains-by-html-terms-live/llms.txt)
- [DataForSEO: company discovery API pricing, 3 plans, domains_by_technology](https://datacircle.dev/company-discovery-apis/dataforseo/free-1-trial-credit-post-v3-domain-analytics-technologies-domains-by-technology-live/llms.txt)
- [DataForSEO: news API pricing, 3 plans, live/advanced](https://datacircle.dev/news-apis/dataforseo/free-1-trial-credit-post-v3-serp-google-news-live-advanced/llms.txt)
- [DataForSEO: news API pricing, 3 plans, task_post, Setting Google News SERP Tasks (priority queue)](https://datacircle.dev/news-apis/dataforseo/free-1-trial-credit-post-v3-serp-google-news-task-post-setting-google-news-serp-tasks-priority-queue/llms.txt)
- [DataForSEO: news API pricing, 3 plans, task_post, Setting Google News SERP Tasks (standard queue)](https://datacircle.dev/news-apis/dataforseo/free-1-trial-credit-post-v3-serp-google-news-task-post-setting-google-news-serp-tasks-standard-queue/llms.txt)

## DataForSEO: domain authority API alternatives

- [AnyAPI, free trial key, POST /v1/run/seo.backlinks_summary](https://datacircle.dev/domain-authority-apis/anyapi/free-trial-key-post-v1-run-seo-backlinks-summary/llms.txt): $0.00 per 1,000, 100% complete
- [SE Ranking, free trial, GET /v1/backlinks/summary](https://datacircle.dev/domain-authority-apis/se-ranking/free-trial-get-v1-backlinks-summary/llms.txt): $0.00 per 1,000, 40% complete, 1 month
- [Keywords Everywhere, free](https://datacircle.dev/domain-authority-apis/keywords-everywhere/free/llms.txt): $0.00 per 1,000, 20% complete
- [RankParse, free](https://datacircle.dev/domain-authority-apis/rankparse/free/llms.txt): $0.00 per 1,000, 20% complete, 3 months

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-29.

- https://dataforseo.com/apis/domain-analytics-api
- https://dataforseo.com/help-center/how-does-your-free-unlimited-trial-work
- https://dataforseo.com/pricing
- https://dataforseo.com/pricing/backlinks/backlinks
- https://dataforseo.com/terms-of-service/
- https://docs.dataforseo.com/v3/backlinks/bulk_ranks/live/
- https://docs.dataforseo.com/v3/domain_analytics/technologies/domain_technologies/live/