# kwrds.ai, free: SERP API

> This endpoint returns search results for a given query, along with related queries that people also search for.

kwrds.ai's SERP API on its Free API Plan. It costs $0.00 per 1,000 searches. It returns 2 of the 11 key fields we check: Organic results, Related searches.
We rank 1,513 plans by price. [Infatica's $400 monthly plan](https://datacircle.dev/serp-apis/infatica/400-monthly/llms.txt) costs the least per 1,000 searches: $0.10.
[Litescrape](https://datacircle.dev/serp-apis/litescrape/top-up-from-10-usage-based-get-api-google-search/llms.txt), [Scrappa](https://datacircle.dev/serp-apis/scrappa/250-pack-professional-get-api-bing-search/llms.txt) and [SerpKite](https://datacircle.dev/serp-apis/serpkite/300-pack-pro-post-v1-search-google-search/llms.txt) are the best SERP API providers in our benchmark.

- This page: https://datacircle.dev/serp-apis/kwrds-ai/free
- [Best SERP API in 2026: pricing compared](https://datacircle.dev/best-serp-api.txt)
- Get it: https://www.kwrds.ai/api
- Request: `POST https://keywordresearch.api.kwrds.ai/serp`
- API key: with the plan, on https://www.kwrds.ai/api
- Its API docs: https://www.kwrds.ai/api/documentation/serp
- Sold by: kwrds.ai (https://www.kwrds.ai)
- Checked: 2026-10-30

## In the answer

- Completeness: 18%
- Organic results: ✓
- Related searches: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: This endpoint returns search results for a given query, along with related queries that people also search for.

## Data

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

## Plan

- Pay: $0
- You get: 1 request
- Enough for: 1 call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: search_question, search_country, Content-Type header "application/json". Optional: volume
- Method: POST
- Path: /serp

## About the plan

- Plan: Free API Plan
- Who can get it: anyone with an account

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

organic result title, organic result link, organic result favicon, organic result estimated traffic, people also search, trending people also search

## kwrds.ai's plans (4)

- [kwrds.ai, free](https://datacircle.dev/serp-apis/kwrds-ai/free/llms.txt): $0.00 per 1,000, 18% complete, live
- [kwrds.ai, $49 monthly](https://datacircle.dev/serp-apis/kwrds-ai/49-monthly/llms.txt): $81.667 per 1,000, 18% complete, live
- [kwrds.ai, $99 monthly](https://datacircle.dev/serp-apis/kwrds-ai/99-monthly/llms.txt): $82.50 per 1,000, 18% complete, live
- [kwrds.ai, contact us](https://datacircle.dev/serp-apis/kwrds-ai/contact-us/llms.txt): 18% complete, live

## kwrds.ai's calls for this API (1)

- `POST /serp`: [kwrds.ai, free](https://datacircle.dev/serp-apis/kwrds-ai/free/llms.txt)

## kwrds.ai's APIs (4)

- [kwrds.ai: related keywords API pricing, 4 plans](https://datacircle.dev/related-keywords-apis/kwrds-ai/free/llms.txt)
- [kwrds.ai: SERP API pricing, 4 plans](https://datacircle.dev/serp-apis/kwrds-ai/free/llms.txt)
- [kwrds.ai: ranked keywords API pricing, 4 plans](https://datacircle.dev/ranked-keywords-apis/kwrds-ai/free/llms.txt)
- [kwrds.ai: keyword research API pricing, 4 plans, POST /keywords-with-volumes](https://datacircle.dev/keyword-research-apis/kwrds-ai/free-api-plan-post-keywords-with-volumes/llms.txt)
- [kwrds.ai: keyword research API pricing, 4 plans, POST /search-volume](https://datacircle.dev/keyword-research-apis/kwrds-ai/free-api-plan-post-search-volume/llms.txt)

## kwrds.ai: SERP API alternatives

- [SerpApi, $25 monthly, Starter, GET /search, Google Search API](https://datacircle.dev/serp-apis/serpapi/25-monthly-starter-get-search-google-search-api/llms.txt): $25.00 per 1,000, 100% complete, live
- [SerpWow, $155 monthly, Starter, GET /search, Google Search, full](https://datacircle.dev/serp-apis/serpwow/155-monthly-starter-get-search-google-search-full/llms.txt): $46.50 per 1,000, 100% complete, live
- [Scale SERP, $29 monthly, 1,000 searches, monthly, GET /search, Google Search, full](https://datacircle.dev/serp-apis/scale-serp/29-monthly-1000-searches-monthly-get-search-google-search-full/llms.txt): $87.00 per 1,000, 100% complete, live
- [Strale, pay as you go](https://datacircle.dev/serp-apis/strale/pay-as-you-go/llms.txt): $108.00 per 1,000, 36% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-30.

- https://www.kwrds.ai/api
- https://www.kwrds.ai/api/documentation
- https://www.kwrds.ai/api/documentation/serp
- https://www.kwrds.ai/terms