# SerpWatch, free: Search autocomplete API

> Get Google autocomplete suggestions for a keyword. Returns results synchronously (no polling required).

SerpWatch's search autocomplete API on its Free trial plan. It costs $0.00 per 1,000 queries. It returns none of the 4 key fields we check: Type, Relevance, Description and Image.
We haven't run SerpWatch through [our search autocomplete API benchmark](https://datacircle.dev/best-search-autocomplete-api.txt) yet.
This plan is free. We rank 161 plans for search autocomplete APIs by price. Half the plans cost $0.598 per 1,000 queries or less.
[Zapi's Rp399,000 monthly plan](https://datacircle.dev/search-autocomplete-apis/zapi/rp399000-monthly/llms.txt) costs the least per 1,000 queries: $0.022.
[SERPHouse](https://datacircle.dev/search-autocomplete-apis/serphouse/49-99-monthly/llms.txt), [Litescrape](https://datacircle.dev/search-autocomplete-apis/litescrape/top-up-from-10/llms.txt) and [Autom](https://datacircle.dev/search-autocomplete-apis/autom/50-pack/llms.txt) are the best search autocomplete API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/search-autocomplete-apis/serpwatch/free
- [Search autocomplete API: 3 providers compared](https://datacircle.dev/best-search-autocomplete-api.txt)
- Get it: https://serpwatch.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- Request: `POST https://engine.v2.serpwatch.io/api/v1/keyword-research/suggest/live`
- API key: with the plan, on https://serpwatch.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- Its API docs: https://help.serpwatch.io/docs-v2/api-integration/serp-api/reference/keyword-research/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- Sold by: SerpWatch (https://serpwatch.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing)
- Checked: 2026-11-03

## In the answer

- Completeness: 0%

## Price

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

## Charges

- Also pays for: from the same budget: Google SERP (v1) · Google SERP Live (v1) · Create Google SERP Task (v2) · Bing SERP (v1) · Bing SERP Live (v1) · Yahoo SERP (v1) · Yahoo SERP Live (v1) · Keyword Search Volume · Keyword Ideas

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get Google autocomplete suggestions for a keyword. Returns results synchronously (no polling required).

## Data

- Keep data: no limit
- Use data: You are prohibited from using the Services in any of the following ways: For any legal or unauthorized purpose violates copyright or other applicable laws. To hack, delete, or tamper the operation of the Services or in any way interfere with the operations of the Services or the access of the Services by others. To upload or transmit viruses, worms, and other destructive code. To modify, lease, copy, distribute, sublicense, or resale without our prior written permission. To remove, obscure, or alter our copyright notices, trademarks, or other proprietary rights. To modify other websites so as to falsely imply that it is associated with SerpWatch. To forward more than ten inquiries per one second from one unique IP address or more than two simultaneous export inquiries.

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 100 calls

## Rate limit

- Per second: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: keyword, location_name, iso_code. Optional: location_code, language_code
- Method: POST
- Path: /api/v1/keyword-research/suggest/live

## About the plan

- Plan: Free trial
- Who can get it: anyone

## The only field the plan's answer can hold

suggestions

## SerpWatch's plans (7)

- [SerpWatch, free](https://datacircle.dev/search-autocomplete-apis/serpwatch/free/llms.txt): $0.00 per 1,000, 0% complete
- [SerpWatch, $49 monthly](https://datacircle.dev/search-autocomplete-apis/serpwatch/49-monthly/llms.txt): $6.533 per 1,000, 0% complete
- [SerpWatch, $99 monthly](https://datacircle.dev/search-autocomplete-apis/serpwatch/99-monthly/llms.txt): $4.40 per 1,000, 0% complete
- [SerpWatch, $349 monthly](https://datacircle.dev/search-autocomplete-apis/serpwatch/349-monthly/llms.txt): $4.653 per 1,000, 0% complete
- [SerpWatch, $348 yearly](https://datacircle.dev/search-autocomplete-apis/serpwatch/348-yearly/llms.txt): $3.867 per 1,000, 0% complete
- [SerpWatch, $708 yearly](https://datacircle.dev/search-autocomplete-apis/serpwatch/708-yearly/llms.txt): $2.622 per 1,000, 0% complete
- [SerpWatch, $2,388 yearly](https://datacircle.dev/search-autocomplete-apis/serpwatch/2388-yearly/llms.txt): $2.653 per 1,000, 0% complete

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

- `POST /api/v1/keyword-research/suggest/live`: [SerpWatch, free](https://datacircle.dev/search-autocomplete-apis/serpwatch/free/llms.txt)

## SerpWatch's APIs (2)

- [SerpWatch: search autocomplete API pricing, 7 plans](https://datacircle.dev/search-autocomplete-apis/serpwatch/free/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v1/serp/bing/crawl/live](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v1-serp-bing-crawl-live/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v1/serp/bing/crawl](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v1-serp-bing-crawl/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v2/serp/crawl, Create Google SERP Task (v2), depth 10](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v2-serp-crawl-create-google-serp-task-v2-depth-10/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v2/serp/crawl, Create Google SERP Task (v2), depth 20](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v2-serp-crawl-create-google-serp-task-v2-depth-20/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v2/serp/crawl, Create Google SERP Task (v2), depth 50](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v2-serp-crawl-create-google-serp-task-v2-depth-50/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v2/serp/crawl, Create Google SERP Task (v2), depth 100](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v2-serp-crawl-create-google-serp-task-v2-depth-100/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v1/serp/google/crawl/live](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v1-serp-google-crawl-live/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v1/serp/google/crawl](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v1-serp-google-crawl/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v1/serp/yahoo/crawl/live](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v1-serp-yahoo-crawl-live/llms.txt)
- [SerpWatch: SERP API pricing, 7 plans, v1/serp/yahoo/crawl](https://datacircle.dev/serp-apis/serpwatch/free-trial-post-api-v1-serp-yahoo-crawl/llms.txt)

## SerpWatch: search autocomplete API alternatives

- [Scale SERP, $599 monthly](https://datacircle.dev/search-autocomplete-apis/scale-serp/599-monthly/llms.txt): $2.396 per 1,000, 0% complete, live
- [SerpWow, $28,788 yearly](https://datacircle.dev/search-autocomplete-apis/serpwow/28788-yearly/llms.txt): $2.399 per 1,000, 0% complete, live
- [SearchApi, $250 monthly](https://datacircle.dev/search-autocomplete-apis/searchapi/250-monthly/llms.txt): $2.50 per 1,000, 100% complete, live
- [Piloterr, $49 monthly](https://datacircle.dev/search-autocomplete-apis/piloterr/49-monthly/llms.txt): $2.722 per 1,000, 0% 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 2026-11-03.

- https://help.serpwatch.io/docs-v2/api-integration/serp-api/concepts/credits-billing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://help.serpwatch.io/docs-v2/api-integration/serp-api/reference/keyword-research?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://help.serpwatch.io/docs-v2/getting-started?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://help.serpwatch.io/docs-v2/getting-started/how-to-sign-up-for-a-free-trial?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://serpwatch.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://serpwatch.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://serpwatch.io/serp-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://serpwatch.io/terms-and-conditions/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing