# SupaMarketers, free: Keyword research API

> Research keyword demand, ideas, difficulty, intent, and history.

SupaMarketers's Free sign-up Credits plan for the keyword research API costs $0.00 per 1,000 keywords. We check each provider's docs for 6 fields. SupaMarketers's docs list 3: Search volume, Keyword difficulty, Search intent.
We haven't run SupaMarketers through [our keyword research API benchmark](https://datacircle.dev/best-keyword-research-api.txt) yet.
This plan is free. We rank 312 plans for keyword research APIs by price. Half the plans cost $1.947 or less per 1,000 keywords. [See the best free keyword research API plan.](https://datacircle.dev/best-keyword-research-api.txt)
[AppDrift's $14.99 monthly plan](https://datacircle.dev/keyword-research-apis/appdrift/14-99-monthly/llms.txt) costs the least per 1,000 keywords. AppDrift's keyword research API costs nothing beyond the plan price. [Pixel Tools's ₽99 pack](https://datacircle.dev/keyword-research-apis/pixel-tools/99-pack-guru-for-99-rubles-post-api-wordstatapi-wordstatapi/llms.txt) costs the least for 10,000 keywords a month: about $1.18.
[seodata.dev's $4.99 monthly plan](https://datacircle.dev/keyword-research-apis/seodata-dev/4-99-monthly/llms.txt) covers any number of keywords. seodata.dev's $4.99 monthly plan costs less up front than AppDrift's $14.99 monthly plan.
[DataForSEO](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), [AppDrift](https://datacircle.dev/keyword-research-apis/appdrift/14-99-monthly/llms.txt) and [Bing Webmaster Tools](https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeywordstats/llms.txt) are the best keyword research API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/keyword-research-apis/supamarketers/free
- [Keyword research API: the best SEO keyword data providers](https://datacircle.dev/best-keyword-research-api.txt)
- Get it: https://www.supamarketers.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://www.supamarketers.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Its API docs: https://www.supamarketers.com/mcp/tools/data/keyword-data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Sold by: SupaMarketers (https://www.supamarketers.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 50%
- Search volume: ✓
- Keyword difficulty: ✓
- Search intent: ✓

## Price

- $ per 1,000 keywords: $0.00
- Per: call
- Billing: free

## Charges

- Also pays for: from the same budget: AI Search Data · App Intelligence call · App Store Data call · Backlink Data · Commerce Data · Competitor Data · Content Analysis · Domain Intelligence · Image Generation · Local Business Data · Market Data · Media Analysis · Page Extract · Page Extract Batch · Product Intelligence · Search Ads Data · Search Results · Site Audit · Site Map · Social Facebook Search · Social Google Maps Search · Social LinkedIn Search · Social Reddit Community Research · Social Reddit Search · Social Reddit VOC Search · Trend Data · Video Generation · Web Search · YouTube Data

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Research keyword demand, ideas, difficulty, intent, and history.

## Data

- Keep data: no limit
- Use data: You agree not to: Violate applicable laws or regulations. Infringe intellectual property, privacy, publicity, or other rights. Attempt to bypass authentication, authorization, Credits, payment, rate limits, or access controls. Interfere with or disrupt the security, integrity, or performance of the service. Use the service to send spam, malware, deceptive content, or other harmful material. Reverse engineer private APIs, internal prompts, hidden system behavior, or non-public service infrastructure.

## Plan

- Pay: $0
- You get: 1,000 credits
- Enough for: about 76 calls

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Free sign-up Credits
- Who can get it: anyone with a verified email

## The 6 fields the plan's answer can hold

keyword, search volume, keyword difficulty, search intent, related keywords, historical search volume

## SupaMarketers's plans (4)

- [SupaMarketers, free](https://datacircle.dev/keyword-research-apis/supamarketers/free/llms.txt): $0.00 per 1,000, 50% complete
- [SupaMarketers, $19 monthly](https://datacircle.dev/keyword-research-apis/supamarketers/19-monthly/llms.txt): $308.75 per 1,000, 50% complete
- [SupaMarketers, $49 monthly](https://datacircle.dev/keyword-research-apis/supamarketers/49-monthly/llms.txt): $212.333 per 1,000, 50% complete
- [SupaMarketers, $149 monthly](https://datacircle.dev/keyword-research-apis/supamarketers/149-monthly/llms.txt): $193.70 per 1,000, 50% complete

## SupaMarketers's calls for this API (1)

- Docs behind sign-up: [SupaMarketers, free](https://datacircle.dev/keyword-research-apis/supamarketers/free/llms.txt)

## SupaMarketers's APIs (17)

- [SupaMarketers: App Store API pricing, 4 plans](https://datacircle.dev/app-store-apis/supamarketers/free/llms.txt)
- [SupaMarketers: App Store review API pricing, 4 plans](https://datacircle.dev/app-store-review-apis/supamarketers/free/llms.txt)
- [SupaMarketers: App Store search API pricing, 4 plans](https://datacircle.dev/app-store-search-apis/supamarketers/free/llms.txt)
- [SupaMarketers: Facebook post API pricing, 4 plans](https://datacircle.dev/facebook-post-apis/supamarketers/free/llms.txt)
- [SupaMarketers: LinkedIn company search API pricing, 4 plans](https://datacircle.dev/linkedin-company-search-apis/supamarketers/free/llms.txt)
- [SupaMarketers: Reddit post API pricing, 4 plans](https://datacircle.dev/reddit-post-apis/supamarketers/free/llms.txt)
- [SupaMarketers: backlink API pricing, 4 plans](https://datacircle.dev/backlink-apis/supamarketers/free/llms.txt)
- [SupaMarketers: tech stack API pricing, 4 plans](https://datacircle.dev/company-technology-apis/supamarketers/free/llms.txt)
- [SupaMarketers: domain WHOIS API pricing, 4 plans](https://datacircle.dev/domain-whois-apis/supamarketers/free/llms.txt)
- [SupaMarketers: keyword research API pricing, 4 plans](https://datacircle.dev/keyword-research-apis/supamarketers/free/llms.txt)
- [SupaMarketers: local business reviews API pricing, 4 plans](https://datacircle.dev/local-business-reviews-apis/supamarketers/free/llms.txt)
- [SupaMarketers: local business search API pricing, 4 plans](https://datacircle.dev/local-business-search-apis/supamarketers/free/llms.txt)
- [SupaMarketers: ranked keywords API pricing, 4 plans](https://datacircle.dev/ranked-keywords-apis/supamarketers/free/llms.txt)
- [SupaMarketers: SERP API pricing, 4 plans](https://datacircle.dev/serp-apis/supamarketers/free/llms.txt)
- [SupaMarketers: web scraping API pricing, 4 plans](https://datacircle.dev/web-scraping-apis/supamarketers/free/llms.txt)
- [SupaMarketers: web search API pricing, 4 plans](https://datacircle.dev/web-search-apis/supamarketers/free/llms.txt)
- [SupaMarketers: video search API pricing, 4 plans](https://datacircle.dev/video-search-apis/supamarketers/free/llms.txt)

## SupaMarketers: keyword research API alternatives

- [Bishopi, $49 monthly, Basic, GET /historical_search_vol/](https://datacircle.dev/keyword-research-apis/bishopi/49-monthly-basic-get-historical-search-vol/llms.txt): $122.50 per 1,000, 67% complete
- [SearcherLite, $7 pack, Starter, keyword_overview](https://datacircle.dev/keyword-research-apis/searcherlite/7-pack-starter-keyword-overview/llms.txt): $140.00 per 1,000, 100% complete
- [Exploding Topics, $4,000 monthly, 25,000 requests per month, GET /topic](https://datacircle.dev/keyword-research-apis/exploding-topics/4000-monthly-25000-requests-per-month-get-topic/llms.txt): $160.00 per 1,000, 33% complete, 24 hours
- [Ranxplorer, €30 pack, Sans abonnement 50 k, GET /v1/kwd](https://datacircle.dev/keyword-research-apis/ranxplorer/30-pack-sans-abonnement-50-k-get-v1-kwd/llms.txt): $168.795 per 1,000, 67% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://www.supamarketers.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.supamarketers.com/help?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.supamarketers.com/mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.supamarketers.com/mcp/servers/data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.supamarketers.com/mcp/tools/data/keyword-data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.supamarketers.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.supamarketers.com/refund-policy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.supamarketers.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing