# Keywords Everywhere, free: Domain authority API

> One endpoint returns the current Open Page Rank and the full monthly history for up to 100 domains.

Keywords Everywhere's domain authority API on its Free plan. It costs $0.00 per 1,000 domains. It returns 2 of the 5 key fields we check: Authority score, Referring domains.
We rank 38 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/keywords-everywhere/free
- Get it: https://keywordseverywhere.com/ctl/subscriptions
- Request: `POST https://openpagerank.keywordseverywhere.com/v1/domains/bulk`
- API key: with the plan, on https://keywordseverywhere.com/ctl/subscriptions
- Its API docs: https://keywordseverywhere.com/openpagerank/docs
- Sold by: Keywords Everywhere (https://keywordseverywhere.com)
- Checked: 2026-10-29

## In the answer

- Completeness: 40%
- Authority score: ✓
- Referring domains: ✓

## Price

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

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: One endpoint returns the current Open Page Rank and the full monthly history for up to 100 domains.

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- You get: 30,000 results a month
- Enough for: 30,000 results a month

## Rate limit

- Per second: 1
- Batch: 100

## The call

- You send: domains. Optional: include_history
- Method: POST
- Path: /v1/domains/bulk

## About the plan

- Plan: Free
- Who can get it: anyone with a Keywords Everywhere account, one free account per IPv4 address its calls come from

## The 9 fields the plan's answer can hold

domain, found, Open Page Rank, global rank, referring domains, monthly history, subdomain scores, as of, invalid inputs

## Keywords Everywhere's plans (5)

- [Keywords Everywhere, free](https://datacircle.dev/domain-authority-apis/keywords-everywhere/free/llms.txt): $0.00 per 1,000, 40% complete
- [Keywords Everywhere, $84 yearly](https://datacircle.dev/domain-authority-apis/keywords-everywhere/84-yearly/llms.txt): $0.07 per 1,000, 40% complete
- [Keywords Everywhere, $168 yearly](https://datacircle.dev/domain-authority-apis/keywords-everywhere/168-yearly/llms.txt): $0.07 per 1,000, 40% complete
- [Keywords Everywhere, $480 yearly](https://datacircle.dev/domain-authority-apis/keywords-everywhere/480-yearly/llms.txt): $0.04 per 1,000, 40% complete
- [Keywords Everywhere, $1,440 yearly](https://datacircle.dev/domain-authority-apis/keywords-everywhere/1440-yearly/llms.txt): $0.03 per 1,000, 40% complete

## Keywords Everywhere's calls for this API (1)

- `POST /v1/domains/bulk`: [Keywords Everywhere, free](https://datacircle.dev/domain-authority-apis/keywords-everywhere/free/llms.txt)

## Keywords Everywhere's APIs (5)

- [Keywords Everywhere: domain authority API pricing, 5 plans](https://datacircle.dev/domain-authority-apis/keywords-everywhere/free/llms.txt)
- [Keywords Everywhere: keyword research API pricing, 11 plans](https://datacircle.dev/keyword-research-apis/keywords-everywhere/80-pack/llms.txt)
- [Keywords Everywhere: backlink API pricing, 11 plans, POST /v1/get_domain_backlinks](https://datacircle.dev/backlink-apis/keywords-everywhere/80-pack-200000-credits-post-v1-get-domain-backlinks/llms.txt)
- [Keywords Everywhere: backlink API pricing, 11 plans, POST /v1/get_page_backlinks](https://datacircle.dev/backlink-apis/keywords-everywhere/80-pack-200000-credits-post-v1-get-page-backlinks/llms.txt)
- [Keywords Everywhere: backlink API pricing, 11 plans, POST /v1/get_unique_domain_backlinks](https://datacircle.dev/backlink-apis/keywords-everywhere/80-pack-200000-credits-post-v1-get-unique-domain-backlinks/llms.txt)
- [Keywords Everywhere: backlink API pricing, 11 plans, POST /v1/get_unique_page_backlinks](https://datacircle.dev/backlink-apis/keywords-everywhere/80-pack-200000-credits-post-v1-get-unique-page-backlinks/llms.txt)
- [Keywords Everywhere: ranked keywords API pricing, 11 plans, POST /v1/get_domain_keywords](https://datacircle.dev/ranked-keywords-apis/keywords-everywhere/80-pack-200000-credits-post-v1-get-domain-keywords/llms.txt)
- [Keywords Everywhere: ranked keywords API pricing, 11 plans, POST /v1/get_url_keywords](https://datacircle.dev/ranked-keywords-apis/keywords-everywhere/80-pack-200000-credits-post-v1-get-url-keywords/llms.txt)
- [Keywords Everywhere: related keywords API pricing, 11 plans, POST /v1/get_pasf_keywords](https://datacircle.dev/related-keywords-apis/keywords-everywhere/80-pack-200000-credits-post-v1-get-pasf-keywords/llms.txt)
- [Keywords Everywhere: related keywords API pricing, 11 plans, POST /v1/get_related_keywords](https://datacircle.dev/related-keywords-apis/keywords-everywhere/80-pack-200000-credits-post-v1-get-related-keywords/llms.txt)

## Keywords Everywhere: domain authority API alternatives

- [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
- [Majestic, $15,999.90 yearly](https://datacircle.dev/domain-authority-apis/majestic/15999-90-yearly/llms.txt): $0.133 per 1,000, 60% complete
- [SpyFu, $119 monthly, Pro + AI, GET /apis/domain_stats_api/v2/getBulkDomainStats](https://datacircle.dev/domain-authority-apis/spyfu/119-monthly-pro-ai-get-apis-domain-stats-api-v2-getbulkdomainstats/llms.txt): $0.40 per 1,000, 20% complete
- [SE Ranking, $29 monthly, Add-on, monthly billing, GET /v1/backlinks/authority/domain](https://datacircle.dev/domain-authority-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-backlinks-authority-domain/llms.txt): $0.967 per 1,000, 20% complete, 1 month

## 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://keywordseverywhere.com/api-documentation.html
- https://keywordseverywhere.com/compare-plans.html
- https://keywordseverywhere.com/credits.html
- https://keywordseverywhere.com/ctl/subscriptions
- https://keywordseverywhere.com/openpagerank/docs
- https://keywordseverywhere.com/openpagerank/pricing
- https://keywordseverywhere.com/terms.html