# 21 kwrds.ai alternatives in 2026 Last updated: November 10, 2026. The best alternatives to kwrds.ai for keyword research APIs: DataForSEO, AppDrift and Bing Webmaster Tools, by our benchmark. ## Keyword research API alternatives [DataForSEO](https://datacircle.dev/keyword-research-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-google-keyword-overview-live#top-up-from-50-pay-as-you-go-post-v3-dataforseo-labs-google-keyword-overview-live), [AppDrift](https://datacircle.dev/keyword-research-apis/appdrift/14-99-monthly) and [Bing Webmaster Tools](https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeywordstats) are the best [keyword research API providers](https://datacircle.dev/best-keyword-research-api) in the Datacircle benchmark. On our [kwrds.ai plan pages](https://datacircle.dev/keyword-research-apis/kwrds-ai/free-api-plan-post-keywords-with-volumes), we compare each kwrds.ai plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first. - [Omkar Cloud, $16 monthly, Starter Plan, GET /keywords/volume](https://datacircle.dev/keyword-research-apis/omkar-cloud/free-plan-get-keywords-volume#16-monthly-starter-plan-get-keywords-volume): $0.80 per 1,000 keywords - [Rush Analytics, $49 monthly, Pro, POST /create/adwords](https://datacircle.dev/keyword-research-apis/rush-analytics/49-monthly-pro-post-create-adwords): $1.40 per 1,000 keywords - [Answer Socrates, $39 monthly](https://datacircle.dev/keyword-research-apis/answer-socrates/free#39-monthly): $78.00 per 1,000 keywords - [DataForSEO, top-up from $50, Pay as you go, 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#top-up-from-50-pay-as-you-go-post-v3-keywords-data-bing-search-volume-live): $90.00 per 1,000 keywords - [AIsa, contact us, Enterprise, POST /apis/v1/dataforseo/keywords_data/google_ads/search_volume/live](https://datacircle.dev/keyword-research-apis/aisa/free-starter-post-apis-v1-dataforseo-keywords-data-google-ads-search-volume-live#contact-us-enterprise-post-apis-v1-dataforseo-keywords-data-google-ads-search-volume-live): no price per 1,000 keywords Compare every keyword research API plan: [Keyword research API pricing: free and cheapest plans compared](https://datacircle.dev/keyword-research-api-pricing) ## Related keywords API alternatives [DataForSEO](https://datacircle.dev/related-keywords-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-google-keyword-ideas-live#top-up-from-50-pay-as-you-go-post-v3-dataforseo-labs-google-keyword-ideas-live), [Mangools](https://datacircle.dev/related-keywords-apis/mangools/free#15-monthly) and [Bing Webmaster Tools](https://datacircle.dev/related-keywords-apis/bing-webmaster-tools/free) are the best [related keywords API providers](https://datacircle.dev/best-related-keywords-api) in the Datacircle benchmark. On our [kwrds.ai plan pages](https://datacircle.dev/related-keywords-apis/kwrds-ai/free), we compare each kwrds.ai plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first. - [AIsa, free, Starter, POST /apis/v1/dataforseo/keywords_data/google_ads/keywords_for_keywords/live](https://datacircle.dev/related-keywords-apis/aisa/free-starter-post-apis-v1-dataforseo-keywords-data-google-ads-keywords-for-keywords-live): $0.00 per 1,000 keywords - [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): $0.00 per 1,000 keywords - [Omkar Cloud, free](https://datacircle.dev/related-keywords-apis/omkar-cloud/free): $0.00 per 1,000 keywords - [QuanticData, free](https://datacircle.dev/related-keywords-apis/quanticdata/free): $0.00 per 1,000 keywords - [Answer Socrates, $19 monthly, Socrates Lite, GET /api/v1/keywords](https://datacircle.dev/related-keywords-apis/answer-socrates/free-get-api-v1-keywords#19-monthly-socrates-lite-get-api-v1-keywords): no price per 1,000 keywords - [Rush Analytics, $49 monthly](https://datacircle.dev/related-keywords-apis/rush-analytics/49-monthly): no price per 1,000 keywords Compare every related keywords API plan: [Related keywords API pricing: free and cheapest plans compared](https://datacircle.dev/related-keywords-api-pricing) ## SERP API alternatives [SearchApi](https://datacircle.dev/serp-apis/searchapi/free#500-monthly-scale-plan), [Scrapeless](https://datacircle.dev/serp-apis/scrapeless/free-basic-post-api-v1-scraper-request-google-search#top-up-basic-top-up-post-api-v1-scraper-request-google-search) and [HasData](https://datacircle.dev/serp-apis/hasdata/free-free-get-scrape-google-light-serp#249-monthly-growth-3m-get-scrape-google-light-serp) are the best [SERP API providers](https://datacircle.dev/best-serp-api) in the Datacircle benchmark. On our [kwrds.ai plan pages](https://datacircle.dev/serp-apis/kwrds-ai/free), we compare each kwrds.ai plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 searches first. - [SearcherLite, $37 pack](https://datacircle.dev/serp-apis/searcherlite/free#37-pack): $74.00 per 1,000 searches - [Orchly, $125 monthly](https://datacircle.dev/serp-apis/orchly/125-monthly): $75.00 per 1,000 searches - [1Lookup, $7,990 yearly, Professional (annual), POST /keyword-rank-checker](https://datacircle.dev/serp-apis/1lookup/99-monthly-starter-post-keyword-rank-checker#7990-yearly-professional-annual-post-keyword-rank-checker): $79.90 per 1,000 searches - [Scale SERP, $29 monthly, 1,000 searches, monthly, GET /search, Google Search, full](https://datacircle.dev/serp-apis/scale-serp/free-tier-get-search-google-search-full#29-monthly-1000-searches-monthly-get-search-google-search-full): $87.00 per 1,000 searches - [HasData, contact us, Enterprise, GET /scrape/bing/serp](https://datacircle.dev/serp-apis/hasdata/free-free-get-scrape-bing-serp#contact-us-enterprise-get-scrape-bing-serp): no price per 1,000 searches - [PerceptLayer, contact us, Custom, GET /v1/duckduckgo/search](https://datacircle.dev/serp-apis/perceptlayer/free-get-v1-duckduckgo-search#contact-us-custom-get-v1-duckduckgo-search): no price per 1,000 searches - [Scrappa, contact us, Custom VIP, GET /api/search-light](https://datacircle.dev/serp-apis/scrappa/free-free-get-api-search-light#contact-us-custom-vip-get-api-search-light): no price per 1,000 searches - [SerpKite, contact us, Volume, POST /v1/batches, Batch requests (Bing Search API)](https://datacircle.dev/serp-apis/serpkite/free-free-post-v1-batches-batch-requests-bing-search-api#contact-us-volume-post-v1-batches-batch-requests-bing-search-api): no price per 1,000 searches Compare every SERP API plan: [SERP API pricing: free and cheapest plans compared](https://datacircle.dev/serp-api-pricing) ## Ranked keywords API alternatives [DataForSEO](https://datacircle.dev/ranked-keywords-apis/dataforseo/free#top-up-from-50), [Bishopi](https://datacircle.dev/ranked-keywords-apis/bishopi/top-up-from-10) and [Bukvarix](https://datacircle.dev/ranked-keywords-apis/bukvarix/free-without-registration-get-v1-site-keywords-for-one-domain-google-regions) are the best [ranked keywords API providers](https://datacircle.dev/best-ranked-keywords-api) in the Datacircle benchmark. On our [kwrds.ai plan pages](https://datacircle.dev/ranked-keywords-apis/kwrds-ai/free), we compare each kwrds.ai plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first. - [AnyAPI, free trial key](https://datacircle.dev/ranked-keywords-apis/anyapi/free-trial-key): $0.00 per 1,000 keywords - [Bukvarix, free, Without registration, GET /v1/site/, Keywords for one domain, Google regions](https://datacircle.dev/ranked-keywords-apis/bukvarix/free-without-registration-get-v1-site-keywords-for-one-domain-google-regions): $0.00 per 1,000 keywords - [DataForSEO, free, $1 trial credit, 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): $0.00 per 1,000 keywords - [Mangools, free](https://datacircle.dev/ranked-keywords-apis/mangools/free): $0.00 per 1,000 keywords - [AIsa, $19 monthly, Builder, GET /apis/v1/similarweb/search/website-keywords](https://datacircle.dev/ranked-keywords-apis/aisa/free-starter-get-apis-v1-similarweb-search-website-keywords#19-monthly-builder-get-apis-v1-similarweb-search-website-keywords): no price per 1,000 keywords - [Bishopi, $49 monthly](https://datacircle.dev/ranked-keywords-apis/bishopi/top-up-from-10#49-monthly): no price per 1,000 keywords - [Morningscore, $69 monthly](https://datacircle.dev/ranked-keywords-apis/morningscore/69-monthly): no price per 1,000 keywords - [Omkar Cloud, $16 monthly](https://datacircle.dev/ranked-keywords-apis/omkar-cloud/free#16-monthly): no price per 1,000 keywords - [Ranxplorer, contact us, Sur mesure, GET /v1/sea/keywords](https://datacircle.dev/ranked-keywords-apis/ranxplorer/free-essai-gratuit-get-v1-sea-keywords#contact-us-sur-mesure-get-v1-sea-keywords): no price per 1,000 keywords - [SandBase, contact us, Scale, POST /v1/api/dataforseo/v3/dataforseo_labs/google/ranked_keywords/live](https://datacircle.dev/ranked-keywords-apis/sandbase/free-start-post-v1-api-dataforseo-v3-dataforseo-labs-google-ranked-keywords-live#contact-us-scale-post-v1-api-dataforseo-v3-dataforseo-labs-google-ranked-keywords-live): no price per 1,000 keywords Compare every ranked keywords API plan: [Ranked keywords API pricing: free and cheapest plans compared](https://datacircle.dev/ranked-keywords-api-pricing) ## See also - [Omkar Cloud alternatives](https://datacircle.dev/omkar-cloud-alternatives) - [Rush Analytics alternatives](https://datacircle.dev/rush-analytics-alternatives) - [Answer Socrates alternatives](https://datacircle.dev/answer-socrates-alternatives) - [DataForSEO alternatives](https://datacircle.dev/dataforseo-alternatives) - [AIsa alternatives](https://datacircle.dev/aisa-alternatives) - [QuanticData alternatives](https://datacircle.dev/quanticdata-alternatives) - [SearcherLite alternatives](https://datacircle.dev/searcherlite-alternatives) - [Orchly alternatives](https://datacircle.dev/orchly-alternatives)