# ASO Skill, free, 20 promotional credits, POST /v1/search: Keyword research API

> Current App Store results and a 0–100 keyword difficulty score.

ASO Skill's 20 promotional credits plan for the keyword research API costs $0.00 per 1,000 keywords. We check each provider's docs for 6 fields. ASO Skill's docs list 1: Keyword difficulty.
We haven't run ASO Skill through [our keyword research API benchmark](https://datacircle.dev/best-keyword-research-api.txt) yet.
This plan is free. We rank 343 plans for keyword research APIs by price. Half the plans cost $2.563 or less per 1,000 keywords. [See the best free keyword research API plan.](https://datacircle.dev/best-keyword-research-api.txt)
[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. [Pixel Tools' ₽99 pack](https://datacircle.dev/keyword-research-apis/pixel-tools/99-pack-guru-for-99-rubles-post-api-wordstatapi-wordstatapi/llms.txt) costs the least for 10,000 keywords a month: about $1.18.
[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), [Bishopi](https://datacircle.dev/keyword-research-apis/bishopi/149-monthly-start-up-get-keyword-analysis/llms.txt) and [AppDrift](https://datacircle.dev/keyword-research-apis/appdrift/14-99-monthly/llms.txt) are the best keyword research API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/keyword-research-apis/aso-skill/free-20-promotional-credits-post-v1-search
- [Keyword research API: the best SEO keyword data providers](https://datacircle.dev/best-keyword-research-api.txt)
- Get it: https://www.asoskill.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Request: `POST https://api.asoskill.com/v1/search`
- API key: with the plan, on https://www.asoskill.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Its API docs: https://www.asoskill.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Sold by: ASO Skill (https://www.asoskill.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 17%
- Keyword difficulty: ✓

## Price

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

## Charges

- Repeat free: never
- Also pays for: from the same budget: POST /v1/autocomplete · POST /v1/popularity · POST /v1/apps/lookup endpoint

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Current App Store results and a 0–100 keyword difficulty score.

## Data

- Freshness: 1 hour
- Keep data: no limit
- Use data: Subject to these Terms and applicable law, we grant you a worldwide, non-exclusive right to access, store, reproduce, analyze, modify, combine, display, distribute, and commercially use output returned to you by the Service. This includes using output to build, operate, and sell your own applications, automations, reports, datasets, and services. This permission does not transfer ownership of ASO Skill technology or grant rights in third-party names, trademarks, app content, or data beyond rights that we are legally able to grant. You are responsible for ensuring that your product and downstream use comply with law, third-party rights, and any additional obligations that apply to your use case. You must not imply that your product is operated, approved, or endorsed by ASO Skill or Apple unless separately authorized. You must comply with the Acceptable Use Policy: you may not bypass authentication, metering, rate limits, or safeguards, compromise other accounts, disrupt the Service or an upstream provider, or use the Service unlawfully.

## Plan

- Pay: $0
- You get: 20 credits
- Enough for: 20 calls
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: term, Content-Type header "application/json". Optional: storefront, platform
- Method: POST
- Path: /v1/search

## About the plan

- Plan: 20 promotional credits
- Who can get it: anyone at least 18 years old

## The 7 fields the plan's answer can hold

keyword, country, platform, keyword difficulty, cached, fetched at, request ID

## ASO Skill's plans (5)

- [ASO Skill, free, 20 promotional credits, POST /v1/search](https://datacircle.dev/keyword-research-apis/aso-skill/free-20-promotional-credits-post-v1-search/llms.txt): $0.00 per 1,000, 17% complete, 1 hour
- [ASO Skill, $10 pack, Starter, POST /v1/search](https://datacircle.dev/keyword-research-apis/aso-skill/10-pack-starter-post-v1-search/llms.txt): $10.00 per 1,000, 17% complete, 1 hour
- [ASO Skill, $75 pack, Builder, POST /v1/search](https://datacircle.dev/keyword-research-apis/aso-skill/75-pack-builder-post-v1-search/llms.txt): $7.50 per 1,000, 17% complete, 1 hour
- [ASO Skill, $500 pack, Scale, POST /v1/search](https://datacircle.dev/keyword-research-apis/aso-skill/500-pack-scale-post-v1-search/llms.txt): $5.00 per 1,000, 17% complete, 1 hour
- [ASO Skill, contact us, Custom, POST /v1/search](https://datacircle.dev/keyword-research-apis/aso-skill/contact-us-custom-post-v1-search/llms.txt): 17% complete, 1 hour

## ASO Skill's calls for this API (2)

- `POST /v1/popularity`: [ASO Skill, free, 20 promotional credits, POST /v1/popularity](https://datacircle.dev/keyword-research-apis/aso-skill/free-20-promotional-credits-post-v1-popularity/llms.txt)
- `POST /v1/search`: [ASO Skill, free, 20 promotional credits, POST /v1/search](https://datacircle.dev/keyword-research-apis/aso-skill/free-20-promotional-credits-post-v1-search/llms.txt)

## ASO Skill's APIs (4)

- [ASO Skill: App Store API pricing, 5 plans](https://datacircle.dev/app-store-apis/aso-skill/free/llms.txt)
- [ASO Skill: App Store search API pricing, 5 plans](https://datacircle.dev/app-store-search-apis/aso-skill/free/llms.txt)
- [ASO Skill: search autocomplete API pricing, 5 plans](https://datacircle.dev/search-autocomplete-apis/aso-skill/free/llms.txt)
- [ASO Skill: keyword research API pricing, 5 plans, POST /v1/search](https://datacircle.dev/keyword-research-apis/aso-skill/free-20-promotional-credits-post-v1-search/llms.txt)

## ASO Skill: keyword research API alternatives

- [JSON SEO, top-up, Balance, GET /wordstat/graph](https://datacircle.dev/keyword-research-apis/json-seo/top-up-balance-get-wordstat-graph/llms.txt): $0.119 per 1,000, 17% complete, live
- [Omkar Cloud, $16 monthly, Starter Plan, GET /keywords/volume](https://datacircle.dev/keyword-research-apis/omkar-cloud/16-monthly-starter-plan-get-keywords-volume/llms.txt): $0.80 per 1,000, 67% complete, live
- [Rush Analytics, $49 monthly, Pro, POST /create/adwords](https://datacircle.dev/keyword-research-apis/rush-analytics/49-monthly-pro-post-create-adwords/llms.txt): $1.40 per 1,000, 17% complete, live
- [Answer Socrates, $2,990 yearly](https://datacircle.dev/keyword-research-apis/answer-socrates/2990-yearly/llms.txt): $9.967 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 2026-11-10.

- https://www.asoskill.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.asoskill.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.asoskill.com/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.asoskill.com/openapi.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.asoskill.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.asoskill.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing