# Seolyticize, free: Keyword research API

> How many people in the panel searched a term, and how often, in one market. Answers 'do real people actually search this' — a reading from people rather than a vendor's model.

Seolyticize's Early access plan for the keyword research API costs $0.00 per 1,000 keywords. Seolyticize's docs list none of the 6 fields on our checklist: Search volume, Monthly trend, Cost per click, Competition and 2 more.
Seolyticize limits how many calls you get but gives no number.
We haven't run Seolyticize through [our keyword research API benchmark](https://datacircle.dev/best-keyword-research-api.txt) yet.
Half of the 292 plans we rank by price cost $1.50 per 1,000 keywords or less. This plan and 7 others tie for the lowest price per 1,000 keywords of the 292 plans. [See the best free keyword research API plan.](https://datacircle.dev/best-keyword-research-api.txt)
[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/seolyticize/free
- [Keyword research API: the best SEO keyword data providers](https://datacircle.dev/best-keyword-research-api.txt)
- Get it: https://seolyticize.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Request: `POST https://seolyticize.com/api/v1/tools/get_search_demand`
- API key: with the plan, on https://seolyticize.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Its API docs: https://seolyticize.com/docs/ref-get-search-demand?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Sold by: Seolyticize (https://seolyticize.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 0%

## Price

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

## Charges

- Also pays for: about 500 other calls · from the same budget: about 500 other calls: 600 requests a minute per key

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: How many people in the panel searched a term, and how often, in one market. Answers 'do real people actually search this' — a reading from people rather than a vendor's model.

## Data

- Keep data: no limit
- Use data: You must not use the platform to crawl a site you have no relationship with, to gather data on behalf of someone who could not gather it themselves, or in a way intended to burden a site rather than measure it.

## Plan

- Pay: $0

## Rate limit

- Per second: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: query, market, since
- Method: POST
- Path: /api/v1/tools/get_search_demand

## About the plan

- Plan: Early access
- Who can get it: the agency holding the account

## The 2 fields the plan's answer can hold

people who searched, searches

## Seolyticize's plans (1)

- [Seolyticize, free](https://datacircle.dev/keyword-research-apis/seolyticize/free/llms.txt): $0.00 per 1,000, 0% complete

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

- `POST /api/v1/tools/get_search_demand`: [Seolyticize, free](https://datacircle.dev/keyword-research-apis/seolyticize/free/llms.txt)

## Seolyticize's APIs (4)

- [Seolyticize: backlink API pricing, 1 plan](https://datacircle.dev/backlink-apis/seolyticize/free/llms.txt)
- [Seolyticize: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/seolyticize/free/llms.txt)
- [Seolyticize: domain authority API pricing, 1 plan](https://datacircle.dev/domain-authority-apis/seolyticize/free/llms.txt)
- [Seolyticize: keyword research API pricing, 1 plan](https://datacircle.dev/keyword-research-apis/seolyticize/free/llms.txt)

## Seolyticize: keyword research API alternatives

- [DataForSEO, free, $1 trial credit, 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): $0.00 per 1,000, 100% complete, 1 month
- [Bing Webmaster Tools, free, GET /webmaster/api.svc/json/GetKeywordStats](https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeywordstats/llms.txt): $0.00 per 1,000, 33% complete
- [Alura, free, GET /research/keywords/{id}](https://datacircle.dev/keyword-research-apis/alura/free-get-research-keywords-id/llms.txt): $0.00 per 1,000, 33% complete, stored
- [seodata.dev, free, Anonymous](https://datacircle.dev/keyword-research-apis/seodata-dev/free-anonymous/llms.txt): $0.00 per 1,000, 50% complete, stored
- [Semust, free](https://datacircle.dev/keyword-research-apis/semust/free/llms.txt): $0.00 per 1,000, 33% 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 2026-11-07.

- https://seolyticize.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://seolyticize.com/api/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://seolyticize.com/docs/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://seolyticize.com/docs/costs-and-spending-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://seolyticize.com/docs/errors-and-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://seolyticize.com/docs/introduction?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://seolyticize.com/docs/ref-get-search-demand?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://seolyticize.com/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing