# Serphunt, top-up: Keyword research API

> Статистика ввода запросов в поисковых системах

Serphunt's keyword research API on its Start plan. Serphunt's docs list 1 of the 6 key fields we check: Search volume.
We haven't run Serphunt through [our keyword research API benchmark](https://datacircle.dev/best-keyword-research-api.txt) yet.
This plan costs . We rank 213 plans for keyword research APIs by price. Half the plans cost $0.80 per 1,000 keywords or less.
[Mangools's $15 monthly plan](https://datacircle.dev/keyword-research-apis/mangools/15-monthly/llms.txt) is the cheapest paid plan per 1,000 keywords. Mangools's $15 monthly plan covers up to 5,000,000 keywords a day.
[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 Mangools's $15 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), [Bing Webmaster Tools](https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeywordstats/llms.txt) and [seodata.dev](https://datacircle.dev/keyword-research-apis/seodata-dev/4-99-monthly/llms.txt) are the best keyword research API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/keyword-research-apis/serphunt/top-up
- [Keyword research API: the 9 best providers compared](https://datacircle.dev/best-keyword-research-api.txt)
- Get it: https://serphunt.ru/price?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Request: `POST https://serphunt.ru/api/v1/add/check`
- API key: with the plan, on https://serphunt.ru/price?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Its API docs: https://serphunt.ru/api/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Sold by: Serphunt (https://serphunt.ru?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing)
- Checked: 2026-11-06

## In the answer

- Completeness: 17%
- Search volume: ✓

## Price

- Billing: pay first

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Статистика ввода запросов в поисковых системах

## Data

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

## Rate limit

- Per second: 31
- Batch: 1,000

## Speed

- Answer: by polling

## The call

- You send: Content-type header "application/json. Optional: charset=UTF-8", service "frequency", frequency_type, keywords, region
- Method: POST
- Path: /api/v1/add/check

## About the plan

- Plan: Start
- Who can get it: anyone who registers, the public offer binds legal entities and sole proprietors

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

keyword, search volume

## Serphunt's plans (5)

- [Serphunt, top-up](https://datacircle.dev/keyword-research-apis/serphunt/top-up/llms.txt): 17% complete
- [Serphunt, ₽750 monthly](https://datacircle.dev/keyword-research-apis/serphunt/750-monthly/llms.txt): 17% complete
- [Serphunt, ₽3,000 monthly](https://datacircle.dev/keyword-research-apis/serphunt/3000-monthly/llms.txt): 17% complete
- [Serphunt, ₽7,500 monthly](https://datacircle.dev/keyword-research-apis/serphunt/7500-monthly/llms.txt): 17% complete
- [Serphunt, ₽12,000 monthly](https://datacircle.dev/keyword-research-apis/serphunt/12000-monthly/llms.txt): 17% complete

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

- `POST /api/v1/add/check`: [Serphunt, top-up](https://datacircle.dev/keyword-research-apis/serphunt/top-up/llms.txt)

## Serphunt's APIs (2)

- [Serphunt: SERP API pricing, 6 plans, POST /api/v1/add/check, Positions (Google)](https://datacircle.dev/serp-apis/serphunt/free-start-post-api-v1-add-check-positions-google/llms.txt)
- [Serphunt: SERP API pricing, 6 plans, POST /api/v1/add/check, Positions (Yandex)](https://datacircle.dev/serp-apis/serphunt/free-start-post-api-v1-add-check-positions-yandex/llms.txt)
- [Serphunt: keyword research API pricing, 5 plans](https://datacircle.dev/keyword-research-apis/serphunt/top-up/llms.txt)

## Serphunt: keyword research API alternatives

- [Zutrix, $7 pack](https://datacircle.dev/keyword-research-apis/zutrix/7-pack/llms.txt): 67% complete
- [Seonio, $10 pack, Extra Usage $10, POST /api/v1/keywords/global](https://datacircle.dev/keyword-research-apis/seonio/10-pack-extra-usage-10-post-api-v1-keywords-global/llms.txt): 67% complete, stored
- [AIsa, top-up from $10, Developer, GET /apis/v1/similarweb/keyword-analysis/keywords/overview](https://datacircle.dev/keyword-research-apis/aisa/top-up-from-10-developer-get-apis-v1-similarweb-keyword-analysis-keywords-overview/llms.txt): 33% complete
- [Bishopi, top-up from $10, Wallet deposit, GET /keyword_analysis/](https://datacircle.dev/keyword-research-apis/bishopi/top-up-from-10-wallet-deposit-get-keyword-analysis/llms.txt): 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 2026-11-06.

- https://serphunt.ru/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://serphunt.ru/agreement-legal?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://serphunt.ru/api/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://serphunt.ru/price?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://serphunt.ru/terms-of-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing