# SpyFu, $119 monthly, Pro + AI, POST /apis/keyword_api/v2/related/getKeywordInformation: Keyword research API

> Returns comprehensive keyword metrics and intelligence for a large list of exact keywords via POST request.

SpyFu's keyword research API on its Pro + AI plan. It costs $0.20 per 1,000 keywords. It returns 2 of the 6 key fields we check: Search volume, Keyword difficulty.
Half of the 33 plans we rank by price cost $0.16 per 1,000 keywords or less. This plan is cheaper than 36% of the 33 plans.
[Mangools's $15 monthly plan](https://datacircle.dev/keyword-research-apis/mangools/15-monthly/llms.txt) costs the least per 1,000 keywords: as little as $0.0001. Mangools's $15 monthly plan covers up to 5,000,000 keywords a day.

- This page: https://datacircle.dev/keyword-research-apis/spyfu/119-monthly-pro-ai-post-apis-keyword-api-v2-related-getkeywordinformation
- Get it: https://www.spyfu.com/pricing
- Request: `POST https://api.spyfu.com/apis/keyword_api/v2/related/getKeywordInformation`
- API key: with the plan, on https://www.spyfu.com/pricing
- Its API docs: https://developer.spyfu.com/reference/relatedkeywordsv2api_getkeywordsbybulksearchpost_post
- Sold by: SpyFu (https://www.spyfu.com)
- Checked: 2026-10-29

## In the answer

- Completeness: 33%
- Search volume: ✓
- Keyword difficulty: ✓

## Price

- $ per 1,000 keywords: $0.20
- Per: result
- Billing: monthly
- $ a month: $119

## Charges

- Also pays for: from the same budget: 45 other calls

## Overage

- $ per 1,000 keywords: $0.20
- Units cap: soft

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Returns comprehensive keyword metrics and intelligence for a large list of exact keywords via POST request.

## Data

- Freshness: 1 month
- Keep data: no limit
- Use data: Unless you have our written consent, you may not sell, publish, distribute, retransmit or otherwise provide access to the Content received through the Services to anyone, including, if applicable, your fellow students, employees, or customers, [...] While you may download, store and create an archive of information from the Service for your personal use, you may not otherwise provide access to such an archive to more than a few individuals on an occasional basis. [...] In addition, you may not use such an archive to develop or operate an automated reporting system or for data or text mining. You agree not to rearrange or modify the Content. You agree not to create abstracts from, scrape or display our content for use on another web site or service. You agree not to post any content from the Services to weblogs, newsgroups, or mail lists, without our written consent. You agree not to use the Services for any unlawful purpose.

## Plan

- Pay: $119
- You get: $40 a month
- Enough for: 200,000 results a month

## Rate limit

- Per second: 10

## The call

- You send: keywords. Optional: countryCode, searchVolume.min, searchVolume.max, liveSearchVolume.min, liveSearchVolume.max, keywordDifficulty.min, keywordDifficulty.max, wordCount.min, wordCount.max, clicks.min, clicks.max, costPerClickOption, costPerClick.min, costPerClick.max, mobileSearchesPercentage.min, mobileSearchesPercentage.max, desktopSearchesPercentage.min, desktopSearchesPercentage.max, notClickedSearchesPercentage.min, notClickedSearchesPercentage.max, paidClickSearchPercentage.min, paidClickSearchPercentage.max, organicClicksSearchPercentage.min, organicClicksSearchPercentage.max, monthlyCostOption, monthlyCost.min, monthlyCost.max, adCount.min, adCount.max, rankingHomepages.min, rankingHomepages.max, adultFilter, onlyAdultKeywords, isQuestion, isTransactionalIntent
- Method: POST
- Path: /apis/keyword_api/v2/related/getKeywordInformation

## About the plan

- Plan: Pro + AI
- Who can get it: anyone

## The 28 fields the plan's answer can hold

results on page, total results, keyword, search volume, live search volume, keyword difficulty, total monthly clicks, mobile searches percentage, desktop searches percentage, searches not clicked percentage, paid clicks percentage, organic clicks percentage, broad cost per click, phrase cost per click, exact cost per click, broad monthly clicks, phrase monthly clicks, exact monthly clicks, broad monthly cost, phrase monthly cost, exact monthly cost, paid competitors, distinct competitors, ranking homepages, SERP features, SERP first result, is question, is not safe for work

## SpyFu's plans (4)

- [SpyFu, $119 monthly, Pro + AI, POST /apis/keyword_api/v2/related/getKeywordInformation](https://datacircle.dev/keyword-research-apis/spyfu/119-monthly-pro-ai-post-apis-keyword-api-v2-related-getkeywordinformation/llms.txt): $0.20 per 1,000, 33% complete, 1 month
- [SpyFu, $249 monthly, Team / Agency, POST /apis/keyword_api/v2/related/getKeywordInformation](https://datacircle.dev/keyword-research-apis/spyfu/249-monthly-team-agency-post-apis-keyword-api-v2-related-getkeywordinformation/llms.txt): $0.20 per 1,000, 33% complete, 1 month
- [SpyFu, $1,068 yearly, Pro + AI, POST /apis/keyword_api/v2/related/getKeywordInformation](https://datacircle.dev/keyword-research-apis/spyfu/1068-yearly-pro-ai-post-apis-keyword-api-v2-related-getkeywordinformation/llms.txt): $0.20 per 1,000, 33% complete, 1 month
- [SpyFu, $2,244 yearly, Team / Agency, POST /apis/keyword_api/v2/related/getKeywordInformation](https://datacircle.dev/keyword-research-apis/spyfu/2244-yearly-team-agency-post-apis-keyword-api-v2-related-getkeywordinformation/llms.txt): $0.20 per 1,000, 33% complete, 1 month

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

- `GET /apis/keyword_api/v2/related/getKeywordInformation`: [SpyFu, $119 monthly, Pro + AI, GET /apis/keyword_api/v2/related/getKeywordInformation](https://datacircle.dev/keyword-research-apis/spyfu/119-monthly-pro-ai-get-apis-keyword-api-v2-related-getkeywordinformation/llms.txt)
- `POST /apis/keyword_api/v2/related/getKeywordInformation`: [SpyFu, $119 monthly, Pro + AI, POST /apis/keyword_api/v2/related/getKeywordInformation](https://datacircle.dev/keyword-research-apis/spyfu/119-monthly-pro-ai-post-apis-keyword-api-v2-related-getkeywordinformation/llms.txt)

## SpyFu's APIs (4)

- [SpyFu: ranked keywords API pricing, 4 plans](https://datacircle.dev/ranked-keywords-apis/spyfu/119-monthly/llms.txt)
- [SpyFu: domain authority API pricing, 4 plans, 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)
- [SpyFu: domain authority API pricing, 4 plans, GET /apis/domain_stats_api/v2/getAllDomainStats](https://datacircle.dev/domain-authority-apis/spyfu/119-monthly-pro-ai-get-apis-domain-stats-api-v2-getalldomainstats/llms.txt)
- [SpyFu: domain authority API pricing, 4 plans, GET /apis/domain_stats_api/v2/getDomainStatsForExactDate](https://datacircle.dev/domain-authority-apis/spyfu/119-monthly-pro-ai-get-apis-domain-stats-api-v2-getdomainstatsforexactdate/llms.txt)
- [SpyFu: domain authority API pricing, 4 plans, GET /apis/domain_stats_api/v2/getLatestDomainStats](https://datacircle.dev/domain-authority-apis/spyfu/119-monthly-pro-ai-get-apis-domain-stats-api-v2-getlatestdomainstats/llms.txt)
- [SpyFu: related keywords API pricing, 4 plans, GET /apis/keyword_api/v2/related/getAlsoBuysAdsForKeywords](https://datacircle.dev/related-keywords-apis/spyfu/119-monthly-pro-ai-get-apis-keyword-api-v2-related-getalsobuysadsforkeywords/llms.txt)
- [SpyFu: related keywords API pricing, 4 plans, GET /apis/keyword_api/v2/related/getAlsoRanksForKeywords](https://datacircle.dev/related-keywords-apis/spyfu/119-monthly-pro-ai-get-apis-keyword-api-v2-related-getalsoranksforkeywords/llms.txt)
- [SpyFu: related keywords API pricing, 4 plans, GET /apis/keyword_api/v2/related/getKeywordExpansions](https://datacircle.dev/related-keywords-apis/spyfu/119-monthly-pro-ai-get-apis-keyword-api-v2-related-getkeywordexpansions/llms.txt)
- [SpyFu: related keywords API pricing, 4 plans, GET /apis/keyword_api/v2/related/getQuestionKeywords](https://datacircle.dev/related-keywords-apis/spyfu/119-monthly-pro-ai-get-apis-keyword-api-v2-related-getquestionkeywords/llms.txt)
- [SpyFu: related keywords API pricing, 4 plans, GET /apis/keyword_api/v2/related/getRelatedKeywords](https://datacircle.dev/related-keywords-apis/spyfu/119-monthly-pro-ai-get-apis-keyword-api-v2-related-getrelatedkeywords/llms.txt)
- [SpyFu: related keywords API pricing, 4 plans, GET /apis/keyword_api/v2/related/getTransactionKeywords](https://datacircle.dev/related-keywords-apis/spyfu/119-monthly-pro-ai-get-apis-keyword-api-v2-related-gettransactionkeywords/llms.txt)
- [SpyFu: keyword research API pricing, 4 plans, POST /apis/keyword_api/v2/related/getKeywordInformation](https://datacircle.dev/keyword-research-apis/spyfu/119-monthly-pro-ai-post-apis-keyword-api-v2-related-getkeywordinformation/llms.txt)

## SpyFu: keyword research API alternatives

- [SE Ranking, top-up from $50](https://datacircle.dev/keyword-research-apis/se-ranking/top-up-from-50/llms.txt): $0.004 per 1,000, 83% complete, 1 month
- [DataForSEO, top-up from $50, Pay as you go, POST /v3/dataforseo_labs/google/keyword_overview/live](https://datacircle.dev/keyword-research-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-dataforseo-labs-google-keyword-overview-live/llms.txt): $0.12 per 1,000, 100% 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://developer.spyfu.com/docs/api-pricing
- https://developer.spyfu.com/docs/rate-limits
- https://developer.spyfu.com/reference/relatedkeywordsv2api_getkeywordsbybulksearchpost_post.md
- https://www.spyfu.com/TermsConditions
- https://www.spyfu.com/api
- https://www.spyfu.com/pricing