# DataForSEO, free, $1 trial credit, POST /v3/keywords_data/bing/keywords_for_keywords/live: Related keywords API

> This endpoint will select the relevant keywords for the specified ones. Set up to 200 keywords and get the results, which are suggested by Bing Ads for your query. You can get up to 3000 keyword suggestions using this function.

DataForSEO's related keywords API on its $1 trial credit plan. It costs $0.00 per 1,000 keywords. It returns 4 of the 6 key fields we check: Search volume, Monthly trend, Cost per click, Competition.
We rank 53 plans by price. [Mangools's $15 monthly plan](https://datacircle.dev/related-keywords-apis/mangools/15-monthly/llms.txt) costs the least per 1,000 keywords: $0.0001. Mangools charges for each page of results. We count 10,000 keywords on each page to get the $0.0001 price.
[Mangools](https://datacircle.dev/related-keywords-apis/mangools/15-monthly/llms.txt), [DataForSEO](https://datacircle.dev/related-keywords-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-dataforseo-labs-google-keyword-ideas-live/llms.txt) and [SE Ranking](https://datacircle.dev/related-keywords-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-keywords-similar/llms.txt) are the best related keywords API providers in our benchmark.

- This page: https://datacircle.dev/related-keywords-apis/dataforseo/free-1-trial-credit-post-v3-keywords-data-bing-keywords-for-keywords-live
- [Best related keywords API in 2026](https://datacircle.dev/best-related-keywords-api.txt)
- Get it: https://dataforseo.com/pricing
- Request: `POST https://api.dataforseo.com/v3/keywords_data/bing/keywords_for_keywords/live`
- API key: with the plan, on https://dataforseo.com/pricing
- Its API docs: https://docs.dataforseo.com/v3/keywords_data/bing/keywords_for_keywords/live/
- Sold by: DataForSEO (https://dataforseo.com)
- Checked: 2026-10-29

## In the answer

- Completeness: 67%
- Search volume: ✓
- Monthly trend: ✓
- Cost per click: ✓
- Competition: ✓

## Price

- $ per 1,000 keywords: $0.00
- Per: page of 3,000
- Billing: free

## Charges

- Repeat free: never
- 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 select the relevant keywords for the specified ones. Set up to 200 keywords and get the results, which are suggested by Bing Ads for your query. You can get up to 3000 keyword suggestions using this function.

## Data

- Freshness: live
- 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 11 pages, once
- Expires: never

## Rate limit

- Per second: 166.67
- Batch: 200

## The call

- You send: keywords, one of location_name, location_code or location_coordinate, one of language_name or language_code. Optional: sort_by, keywords_negative, device, date_from, date_to, search_partners, tag
- Method: POST
- Path: /v3/keywords_data/bing/keywords_for_keywords/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 9 fields the plan's answer can hold

keyword, location code, language code, search partners, device, competition, cost per click, search volume, monthly searches

## DataForSEO's plans (3)

- [DataForSEO, free, $1 trial credit, 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): $0.00 per 1,000, 67% complete, live
- [DataForSEO, top-up from $50, Pay as you go, POST /v3/keywords_data/bing/keywords_for_keywords/live](https://datacircle.dev/related-keywords-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-keywords-data-bing-keywords-for-keywords-live/llms.txt): $0.03 per 1,000, 67% complete, live
- [DataForSEO, contact us, Custom pricing quote, POST /v3/keywords_data/bing/keywords_for_keywords/live](https://datacircle.dev/related-keywords-apis/dataforseo/contact-us-custom-pricing-quote-post-v3-keywords-data-bing-keywords-for-keywords-live/llms.txt): 67% complete, live

## DataForSEO's calls for this API (5)

- `POST /v3/keywords_data/bing/keywords_for_keywords/live`: [DataForSEO, free, $1 trial credit, 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)
- `POST /v3/keywords_data/google_ads/keywords_for_keywords/live`: [DataForSEO, free, $1 trial credit, 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)
- `POST /v3/dataforseo_labs/google/keyword_ideas/live`: [DataForSEO, free, $1 trial credit, 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)
- `POST /v3/dataforseo_labs/google/keyword_suggestions/live`: [DataForSEO, free, $1 trial credit, 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)
- `POST /v3/dataforseo_labs/google/related_keywords/live`: [DataForSEO, free, $1 trial credit, 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'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: 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/summary/live](https://datacircle.dev/domain-authority-apis/dataforseo/free-1-trial-credit-post-v3-backlinks-summary-live/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)

## 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/keywords-data/bing-ads
- https://dataforseo.com/terms-of-service/
- https://docs.dataforseo.com/v3/domain_analytics/technologies/domain_technologies/live/
- https://docs.dataforseo.com/v3/keywords_data/bing/keywords_for_keywords/live/