# KeywordPlanner.vn, $9 monthly: Keyword research API

> Monthly search volume and metrics for up to 100 keywords.

KeywordPlanner.vn's Starter plan for the keyword research API costs $0.09 per 1,000 keywords. KeywordPlanner.vn's docs list 4 of the 6 fields on our checklist: Search volume, Monthly trend, Competition, Keyword difficulty.
We haven't run KeywordPlanner.vn through [our keyword research API benchmark](https://datacircle.dev/best-keyword-research-api.txt) yet.
Half of the 290 plans we rank by price cost $1.543 per 1,000 keywords or less. This plan costs less per 1,000 keywords than 89% of the 290 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.
[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/keywordplanner-vn/9-monthly
- [Keyword research API: the 13 best providers compared](https://datacircle.dev/best-keyword-research-api.txt)
- Get it: https://keywordplanner.vn/en/price?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Request: `POST https://keywordplanner.vn/api/v1/keywords/volume`
- API key: with the plan, on https://keywordplanner.vn/en/price?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Its API docs: https://keywordplanner.vn/en/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing#endpoints
- Sold by: KeywordPlanner.vn (https://keywordplanner.vn?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 67%
- Search volume: ✓
- Monthly trend: ✓
- Competition: ✓
- Keyword difficulty: ✓

## Price

- $ per 1,000 keywords: $0.09
- Per: result
- Billing: monthly
- $ a month: $9

## Charges

- Also pays for: from the same budget: /api/v1/keywords/ideas call · /api/v1/keywords/suggest call · /api/v1/keywords/group call · /api/v1/keywords/semantic call

## Overage

- Units cap: hard

## In their words

- Their pitch: Monthly search volume and metrics for up to 100 keywords.

## Data

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

## Plan

- Pay: $9
- You get: 10,000 credits a month
- Enough for: 100,000 results a month
- Expires: at the monthly reset

## Rate limit

- Per day: 10,000
- Per second: 0.25
- Concurrent: 5
- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: keywords, country
- Method: POST
- Path: /api/v1/keywords/volume

## About the plan

- Plan: Starter
- Who can get it: anyone

## The 16 fields the plan's answer can hold

keyword, search volume, search volume trend, competition level, minimum cost per click, maximum cost per click, keyword difficulty, keyword length, is question, keyword type, success, plan, credits consumed, credits used, credits limit, credits remaining

## KeywordPlanner.vn's plans (4)

- [KeywordPlanner.vn, $9 monthly](https://datacircle.dev/keyword-research-apis/keywordplanner-vn/9-monthly/llms.txt): $0.09 per 1,000, 67% complete
- [KeywordPlanner.vn, $19 monthly](https://datacircle.dev/keyword-research-apis/keywordplanner-vn/19-monthly/llms.txt): $0.076 per 1,000, 67% complete
- [KeywordPlanner.vn, $75.60 yearly](https://datacircle.dev/keyword-research-apis/keywordplanner-vn/75-60-yearly/llms.txt): $0.063 per 1,000, 67% complete
- [KeywordPlanner.vn, $159.60 yearly](https://datacircle.dev/keyword-research-apis/keywordplanner-vn/159-60-yearly/llms.txt): $0.053 per 1,000, 67% complete

## KeywordPlanner.vn's calls for this API (1)

- `POST /api/v1/keywords/volume`: [KeywordPlanner.vn, $9 monthly](https://datacircle.dev/keyword-research-apis/keywordplanner-vn/9-monthly/llms.txt)

## KeywordPlanner.vn's APIs (3)

- [KeywordPlanner.vn: search autocomplete API pricing, 4 plans, Keyword suggestions (Amazon)](https://datacircle.dev/search-autocomplete-apis/keywordplanner-vn/9-monthly-starter-get-api-v1-keywords-suggest-keyword-suggestions-amazon/llms.txt)
- [KeywordPlanner.vn: search autocomplete API pricing, 4 plans, Keyword suggestions (Bing)](https://datacircle.dev/search-autocomplete-apis/keywordplanner-vn/9-monthly-starter-get-api-v1-keywords-suggest-keyword-suggestions-bing/llms.txt)
- [KeywordPlanner.vn: search autocomplete API pricing, 4 plans, Keyword suggestions (Google)](https://datacircle.dev/search-autocomplete-apis/keywordplanner-vn/9-monthly-starter-get-api-v1-keywords-suggest-keyword-suggestions-google/llms.txt)
- [KeywordPlanner.vn: search autocomplete API pricing, 4 plans, Keyword suggestions (Wikipedia)](https://datacircle.dev/search-autocomplete-apis/keywordplanner-vn/9-monthly-starter-get-api-v1-keywords-suggest-keyword-suggestions-wikipedia/llms.txt)
- [KeywordPlanner.vn: search autocomplete API pricing, 4 plans, Keyword suggestions (Yahoo)](https://datacircle.dev/search-autocomplete-apis/keywordplanner-vn/9-monthly-starter-get-api-v1-keywords-suggest-keyword-suggestions-yahoo/llms.txt)
- [KeywordPlanner.vn: search autocomplete API pricing, 4 plans, Keyword suggestions (Yandex)](https://datacircle.dev/search-autocomplete-apis/keywordplanner-vn/9-monthly-starter-get-api-v1-keywords-suggest-keyword-suggestions-yandex/llms.txt)
- [KeywordPlanner.vn: search autocomplete API pricing, 4 plans, Keyword suggestions (YouTube)](https://datacircle.dev/search-autocomplete-apis/keywordplanner-vn/9-monthly-starter-get-api-v1-keywords-suggest-keyword-suggestions-youtube/llms.txt)
- [KeywordPlanner.vn: keyword research API pricing, 4 plans](https://datacircle.dev/keyword-research-apis/keywordplanner-vn/9-monthly/llms.txt)
- [KeywordPlanner.vn: related keywords API pricing, 4 plans](https://datacircle.dev/related-keywords-apis/keywordplanner-vn/9-monthly/llms.txt)

## KeywordPlanner.vn: keyword research API alternatives

- [Pixel Tools, ₽99 pack, Guru for 99 rubles, POST /api/wordstatapi, wordstatapi, full](https://datacircle.dev/keyword-research-apis/pixel-tools/99-pack-guru-for-99-rubles-post-api-wordstatapi-wordstatapi-full/llms.txt): $0.068 per 1,000, 17% complete
- [Keys.so, ₽9,300 monthly](https://datacircle.dev/keyword-research-apis/keys-so/9300-monthly/llms.txt): $0.074 per 1,000, 17% complete
- [Seonio, $100 pack, Extra Usage $100, POST /api/v1/keywords/country](https://datacircle.dev/keyword-research-apis/seonio/100-pack-extra-usage-100-post-api-v1-keywords-country/llms.txt): $0.087 per 1,000, 100% complete
- [Marketing Miner, €279 monthly, Custom: 1 project, 10,000,000 credits, GET /keywords/search-volume-data](https://datacircle.dev/keyword-research-apis/marketing-miner/279-monthly-custom-1-project-10000000-credits-get-keywords-search-volume-data/llms.txt): $0.094 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 2026-11-07.

- https://keywordplanner.vn/en/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://keywordplanner.vn/en/disclaimer?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://keywordplanner.vn/en/price?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://keywordplanner.vn/en/privacy-policy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing