# FreeQ, pay as you go: Keyword research API

> Google search volume, CPC, and competition for up to 100 keywords.

FreeQ's x402 pay per call plan for the keyword research API costs $0.30 per 1,000 keywords. We check each provider's docs for 6 fields. FreeQ's docs list 3: Search volume, Cost per click, Competition.
We haven't run FreeQ through [our keyword research API benchmark](https://datacircle.dev/best-keyword-research-api.txt) yet.
We rank 317 plans for keyword research APIs by price. Half the plans cost $2.127 or less per 1,000 keywords. This plan costs less per 1,000 keywords than 73% of the 317 plans.
[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/freeq/pay-as-you-go
- [Keyword research API: the best SEO keyword data providers](https://datacircle.dev/best-keyword-research-api.txt)
- Get it: https://x402.freeq.one/tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Request: `POST https://x402.freeq.one/tools/keyword_volume`
- API key: not needed
- Its API docs: https://x402.freeq.one/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing#/paths/~1tools~1keyword_volume
- Sold by: FreeQ (https://freeq.one?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 50%
- Search volume: ✓
- Cost per click: ✓
- Competition: ✓

## Price

- $ per 1,000 keywords: $0.30
- Per: result
- Billing: pay as you go

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Google search volume, CPC, and competition for up to 100 keywords.

## Data

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

## Plan

- Pay: per call

## Rate limit

- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: keywords. Optional: location_code, language_code
- Method: POST
- Path: /tools/keyword_volume

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone with a wallet paying each call in USDC on Base (x402), no account or API key

## The 4 fields the plan's answer can hold

keyword, search volume, cost per click, competition

## FreeQ's plans (1)

- [FreeQ, pay as you go](https://datacircle.dev/keyword-research-apis/freeq/pay-as-you-go/llms.txt): $0.30 per 1,000, 50% complete

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

- `POST /tools/keyword_volume`: [FreeQ, pay as you go](https://datacircle.dev/keyword-research-apis/freeq/pay-as-you-go/llms.txt)

## FreeQ's APIs (11)

- [FreeQ: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: domain authority API pricing, 1 plan](https://datacircle.dev/domain-authority-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: email finder API pricing, 1 plan](https://datacircle.dev/find-email-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: job postings API pricing, 1 plan](https://datacircle.dev/job-posting-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: ranked keywords API pricing, 1 plan](https://datacircle.dev/ranked-keywords-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: related keywords API pricing, 1 plan](https://datacircle.dev/related-keywords-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: keyword research API pricing, 1 plan](https://datacircle.dev/keyword-research-apis/freeq/pay-as-you-go/llms.txt)
- [FreeQ: SERP API pricing, 1 plan](https://datacircle.dev/serp-apis/freeq/pay-as-you-go/llms.txt)

## FreeQ: keyword research API alternatives

- [XMLRiver, top-up](https://datacircle.dev/keyword-research-apis/xmlriver/top-up/llms.txt): $0.298 per 1,000, 33% complete
- [Alura, $359.88 yearly, Professional (annual billing), GET /research/keywords](https://datacircle.dev/keyword-research-apis/alura/359-88-yearly-professional-annual-billing-get-research-keywords/llms.txt): $0.30 per 1,000, 33% complete, stored
- [YepAPI, top-up, Pay as you go, POST /v1/seo/keywords/overview](https://datacircle.dev/keyword-research-apis/yepapi/top-up-pay-as-you-go-post-v1-seo-keywords-overview/llms.txt): $0.30 per 1,000, 100% complete
- [Keywords Everywhere, $150 pack](https://datacircle.dev/keyword-research-apis/keywords-everywhere/150-pack/llms.txt): $0.30 per 1,000, 67% complete
- [Arsenkin Tools, ₽2,490 monthly](https://datacircle.dev/keyword-research-apis/arsenkin-tools/2490-monthly/llms.txt): $0.346 per 1,000, 17% 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://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://x402.freeq.one/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://x402.freeq.one/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://x402.freeq.one/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://x402.freeq.one/tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing