# Searchwire, free, Without a key, POST /v1/keywords/volume: Keyword research API

> Monthly search volume, CPC and competition for up to 1,000 keywords per call, by country.

Searchwire's keyword research API on its Without a key plan. It costs $0.00 per 1,000 keywords. Searchwire's docs list 2 of the 6 fields on our checklist: Search volume, Competition.
You get up to 6,000 results a month.
We haven't run Searchwire through [our keyword research API benchmark](https://datacircle.dev/best-keyword-research-api.txt) yet.
This plan is free. We rank 236 plans for keyword research APIs by price. Half the plans cost $1.00 per 1,000 keywords or less. [See the best free keyword research API plan.](https://datacircle.dev/best-keyword-research-api.txt)
[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/searchwire/free-without-a-key-post-v1-keywords-volume
- [Keyword research API: the 9 best providers compared](https://datacircle.dev/best-keyword-research-api.txt)
- Get it: https://searchwire.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Request: `POST https://searchwire.dev/v1/keywords/volume`
- API key: not needed
- Its API docs: https://searchwire.dev/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Sold by: Searchwire (https://searchwire.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 33%
- Search volume: ✓
- Competition: ✓

## Price

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

## Charges

- Also pays for: from the same budget: /v1/serp call · /v1/apps/keywords call · /v1/apps/search call · /v1/apps/competitors call · /v1/apps/keywords/volume call · /v1/names/check call · /v1/domains/check call

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Monthly search volume, CPC and competition for up to 1,000 keywords per call, by country.

## Data

- Freshness: 30 days
- Keep data: no limit
- Use data: Use the data for research, analysis and building your own products. Do not resell or redistribute the raw API output as a competing data feed. Do not use the service to build a general web search engine or otherwise compete with or harm search engine or app-store providers. Do not use it for anything unlawful, to collect personal data about individuals, or to attack or overload any system. Do not share keys publicly.

## Plan

- Pay: $0
- Enough for: 6,000 results a month

## Rate limit

- Per day: 20
- Batch: 10

## Speed

- Answer: in the call

## The call

- You send: keywords, country. Optional: language, origins
- Method: POST
- Path: /v1/keywords/volume

## About the plan

- Plan: Without a key
- Who can get it: anyone, without a key

## The 10 fields the plan's answer can hold

keyword, search volume, CPC, competition, monthly search volumes, fetched at, cached, data origin, data supplier, amount charged

## Searchwire's plans (6)

- [Searchwire, free, Without a key, POST /v1/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/free-without-a-key-post-v1-keywords-volume/llms.txt): $0.00 per 1,000, 33% complete, 30 days
- [Searchwire, $10 pack, $10 credit, POST /v1/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/10-pack-10-credit-post-v1-keywords-volume/llms.txt): $0.20 per 1,000, 33% complete, 30 days
- [Searchwire, $25 pack, $25 credit, POST /v1/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/25-pack-25-credit-post-v1-keywords-volume/llms.txt): $0.20 per 1,000, 33% complete, 30 days
- [Searchwire, $50 pack, $50 credit, POST /v1/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/50-pack-50-credit-post-v1-keywords-volume/llms.txt): $0.20 per 1,000, 33% complete, 30 days
- [Searchwire, $100 pack, $100 credit, POST /v1/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/100-pack-100-credit-post-v1-keywords-volume/llms.txt): $0.20 per 1,000, 33% complete, 30 days
- [Searchwire, $250 pack, $250 credit, POST /v1/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/250-pack-250-credit-post-v1-keywords-volume/llms.txt): $0.20 per 1,000, 33% complete, 30 days

## Searchwire's calls for this API (2)

- `POST /v1/apps/keywords/volume`: [Searchwire, free, Without a key, POST /v1/apps/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/free-without-a-key-post-v1-apps-keywords-volume/llms.txt)
- `POST /v1/keywords/volume`: [Searchwire, free, Without a key, POST /v1/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/free-without-a-key-post-v1-keywords-volume/llms.txt)

## Searchwire's APIs (5)

- [Searchwire: App Store search API pricing, 6 plans](https://datacircle.dev/app-store-search-apis/searchwire/free/llms.txt)
- [Searchwire: SERP API pricing, 6 plans](https://datacircle.dev/serp-apis/searchwire/free/llms.txt)
- [Searchwire: Google Play search API pricing, 6 plans](https://datacircle.dev/google-play-search-apis/searchwire/free/llms.txt)
- [Searchwire: domain WHOIS API pricing, 6 plans](https://datacircle.dev/domain-whois-apis/searchwire/free/llms.txt)
- [Searchwire: keyword research API pricing, 6 plans, POST /v1/keywords/volume](https://datacircle.dev/keyword-research-apis/searchwire/free-without-a-key-post-v1-keywords-volume/llms.txt)

## Searchwire: keyword research API alternatives

- [DataForSEO, top-up from $50, Pay as you go, POST /v3/dataforseo_labs/google/keyword_overview/live](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): $0.12 per 1,000, 100% complete, 1 month
- [Rakko Keyword, ¥29,700 yearly](https://datacircle.dev/keyword-research-apis/rakko-keyword/29700-yearly/llms.txt): $0.157 per 1,000, 83% complete, 1 month
- [Rush Analytics, $6,900 yearly, Corp (annual), POST /create/wordstat](https://datacircle.dev/keyword-research-apis/rush-analytics/6900-yearly-corp-annual-post-create-wordstat/llms.txt): $0.278 per 1,000, 17% complete, live
- [WordRadar, $99 pack](https://datacircle.dev/keyword-research-apis/wordradar/99-pack/llms.txt): $0.33 per 1,000, 0% complete, 24 hours

## 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://searchwire.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://searchwire.dev/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://searchwire.dev/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://searchwire.dev/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing