# WordRadar, free: Keyword research API

> A 1M-word suggest corpus scanned into a daily ledger — every word typed with its first-seen date, type (new / re-spiking / evergreen) and direction tags.

WordRadar's keyword research API on its Free plan. It costs $0.00 per 1,000 keywords. It returns none of the 6 key fields we check: Search volume, Monthly trend, Cost per click, Competition and 2 more.
We haven't run WordRadar through [our keyword research API benchmark](https://datacircle.dev/best-keyword-research-api.txt) yet.
This plan is free. We rank 165 plans for keyword research APIs by price. Half the plans cost $1.00 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: as little as $0.0001. 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 [Mangools](https://datacircle.dev/keyword-research-apis/mangools/15-monthly/llms.txt) are the best keyword research API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/keyword-research-apis/wordradar/free
- [Keyword research API: 7 providers compared on price and data](https://datacircle.dev/best-keyword-research-api.txt)
- Get it: https://www.wordradar.dev/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Request: `GET https://www.wordradar.dev/api/v1/ledger/verdicts`
- API key: with the plan, on https://www.wordradar.dev/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Its API docs: https://www.wordradar.dev/docs/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- Sold by: WordRadar (https://www.wordradar.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 0%

## Price

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

## Charges

- Also pays for: from the same budget: Ledger words · KD SERP · Latest sites · Trends keyword · Domain timeline · Stripe leaderboard · Stripe domain

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: A 1M-word suggest corpus scanned into a daily ledger — every word typed with its first-seen date, type (new / re-spiking / evergreen) and direction tags.

## Data

- Freshness: 24 hours
- Keep data: no limit
- Use data: You may use API output inside your own products and analyses, you may not resell the raw feeds (see Acceptable Use). [...] You agree not to: Resell, redistribute, or bulk-mirror raw API output as a competing data feed, Circumvent rate limits or metering, or share one key across multiple organizations, Use the Service for unlawful purposes or to infringe others' rights

## Plan

- Pay: $0
- You get: 50 credits
- Enough for: 1,000 results

## Rate limit

- Per second: 2
- Batch: 20

## Speed

- Answer: in the call

## The call

- You send: keywords
- Method: GET
- Path: /api/v1/ledger/verdicts

## About the plan

- Plan: Free
- Who can get it: anyone with an invite code: sign-up is invite-only during the private beta

## The 4 fields the plan's answer can hold

verdict, growth, note, missing keywords

## WordRadar's plans (4)

- [WordRadar, free](https://datacircle.dev/keyword-research-apis/wordradar/free/llms.txt): $0.00 per 1,000, 0% complete, 24 hours
- [WordRadar, $19 pack](https://datacircle.dev/keyword-research-apis/wordradar/19-pack/llms.txt): $0.475 per 1,000, 0% complete, 24 hours
- [WordRadar, $49 pack](https://datacircle.dev/keyword-research-apis/wordradar/49-pack/llms.txt): $0.377 per 1,000, 0% complete, 24 hours
- [WordRadar, $99 pack](https://datacircle.dev/keyword-research-apis/wordradar/99-pack/llms.txt): $0.33 per 1,000, 0% complete, 24 hours

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

- `GET /api/v1/ledger/verdicts`: [WordRadar, free](https://datacircle.dev/keyword-research-apis/wordradar/free/llms.txt)

## WordRadar's APIs (2)

- [WordRadar: keyword research API pricing, 4 plans](https://datacircle.dev/keyword-research-apis/wordradar/free/llms.txt)
- [WordRadar: related keywords API pricing, 4 plans](https://datacircle.dev/related-keywords-apis/wordradar/free/llms.txt)

## WordRadar: keyword research API alternatives

- [Rush Analytics, $468 yearly, Pro (annual), POST /create/wordstat](https://datacircle.dev/keyword-research-apis/rush-analytics/468-yearly-pro-annual-post-create-wordstat/llms.txt): $0.334 per 1,000, 17% complete, live
- [Omkar Cloud, $148 monthly, Scale Plan, GET /keywords/overview](https://datacircle.dev/keyword-research-apis/omkar-cloud/148-monthly-scale-plan-get-keywords-overview/llms.txt): $0.37 per 1,000, 67% 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
- [kwrds.ai, $49 monthly, Starter API Access, POST /keywords-with-volumes](https://datacircle.dev/keyword-research-apis/kwrds-ai/49-monthly-starter-api-access-post-keywords-with-volumes/llms.txt): $81.667 per 1,000, 83% 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 2026-11-05.

- https://www.wordradar.dev/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.wordradar.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.wordradar.dev/docs/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.wordradar.dev/docs/mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.wordradar.dev/docs/methodology?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing
- https://www.wordradar.dev/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=keyword-research-api-pricing