# VebAPI, free: Related keywords API

> Get keyword suggestions with CPC, search volume, competition level, and keyword relevance score.

VebAPI's related keywords API on its Free trial plan. It costs $0.00 per 1,000 keywords. It returns 3 of the 6 key fields we check: Search volume, Cost per click, Competition.
We haven't run VebAPI through [our related keywords API benchmark](https://datacircle.dev/best-related-keywords-api.txt) yet.
This plan is free. We rank 143 plans for related keywords APIs by price. Half the plans cost $0.486 per 1,000 keywords or less.
[XMLRiver's ₽15,000 monthly plan](https://datacircle.dev/related-keywords-apis/xmlriver/15000-monthly/llms.txt) is the cheapest paid plan per 1,000 keywords: $0.00009. XMLRiver charges for each page of results. We count 2,000 keywords on each page to get the $0.00009 price.
[Mangools](https://datacircle.dev/related-keywords-apis/mangools/15-monthly/llms.txt), [DataForSEO](https://datacircle.dev/related-keywords-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-dataforseo-labs-google-keyword-ideas-live/llms.txt) and [AnyAPI](https://datacircle.dev/related-keywords-apis/anyapi/top-up-from-10-manual-top-up-post-v1-run-seo-related-keywords/llms.txt) are the best related keywords API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/related-keywords-apis/vebapi/free
- [Related keywords API: 4 providers compared on price and data](https://datacircle.dev/best-related-keywords-api.txt)
- Get it: https://vebapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- Request: `GET https://vebapi.com/api/seo/keywordresearch`
- API key: with the plan, on https://vebapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- Its API docs: https://vebapi.com/apis/keywordresearch?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- Sold by: VebAPI (https://vebapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 50%
- Search volume: ✓
- Cost per click: ✓
- Competition: ✓

## Price

- $ per 1,000 keywords: $0.00
- Per: page, size not stated
- Billing: free

## Charges

- Also pays for: from the same budget: Keyword Research - Single · Youtube Tag Generator · Keyword Research Youtube · On Page Analysis · AI Visibility Audit API · Domain Data · Speed Check · Top Search Keywords · AI SEO crawler check · Google SERP · Google AI Mode SERP · Bing Search · Perplexity Search · Backlink API v2 · New Backlinks · Find Spam Backlinks · Referral Domains · Domain Availability Checker (single ltd) · Domain Availability Checker (multi ltd) · .com Available Names Generator · Domain Search TLD List · Website Screenshot API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get keyword suggestions with CPC, search volume, competition level, and keyword relevance score.

## Data

- Keep data: no limit
- Use data: "You must not abuse or misuse the APIs. Rate limits and usage caps may apply." "Sharing your API key with others or using it in unauthorized ways may result in suspension or termination." "All API responses are provided “as-is” without any guarantees of accuracy or completeness." "All content, code, and intellectual property related to VebAPI are owned by us. You may not copy, reproduce, or distribute our materials without permission." (Terms of Service 2 and 9, vebapi.com/terms)

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: keyword, country
- Method: GET
- Path: /api/seo/keywordresearch

## About the plan

- Plan: Free trial
- Who can get it: anyone at least 18 years old with the legal authority to accept the terms

## The 5 fields the plan's answer can hold

keyword, cost per click, search volume, competition level, keyword score

## VebAPI's plans (2)

- [VebAPI, free](https://datacircle.dev/related-keywords-apis/vebapi/free/llms.txt): $0.00 per 1,000, 50% complete
- [VebAPI, contact us](https://datacircle.dev/related-keywords-apis/vebapi/contact-us/llms.txt): 50% complete

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

- `GET /api/seo/keywordresearch`: [VebAPI, free](https://datacircle.dev/related-keywords-apis/vebapi/free/llms.txt)

## VebAPI's APIs (7)

- [VebAPI: SERP API pricing, 2 plans, GET /api/serp/bing](https://datacircle.dev/serp-apis/vebapi/free-trial-get-api-serp-bing/llms.txt)
- [VebAPI: SERP API pricing, 2 plans, GET /api/serp/google](https://datacircle.dev/serp-apis/vebapi/free-trial-get-api-serp-google/llms.txt)
- [VebAPI: Google AI Mode scraper API pricing, 2 plans](https://datacircle.dev/google-ai-mode-scraper-apis/vebapi/free/llms.txt)
- [VebAPI: Perplexity scraper API pricing, 2 plans](https://datacircle.dev/perplexity-scraper-apis/vebapi/free/llms.txt)
- [VebAPI: keyword research API pricing, 2 plans](https://datacircle.dev/keyword-research-apis/vebapi/free/llms.txt)
- [VebAPI: ranked keywords API pricing, 2 plans](https://datacircle.dev/ranked-keywords-apis/vebapi/free/llms.txt)
- [VebAPI: related keywords API pricing, 2 plans](https://datacircle.dev/related-keywords-apis/vebapi/free/llms.txt)
- [VebAPI: backlink API pricing, 2 plans, GET /api/backlinks/live](https://datacircle.dev/backlink-apis/vebapi/free-trial-get-api-backlinks-live/llms.txt)
- [VebAPI: backlink API pricing, 2 plans, GET /api/backlinks/spam](https://datacircle.dev/backlink-apis/vebapi/free-trial-get-api-backlinks-spam/llms.txt)
- [VebAPI: backlink API pricing, 2 plans, GET /api/backlinks/new](https://datacircle.dev/backlink-apis/vebapi/free-trial-get-api-backlinks-new/llms.txt)

## VebAPI: related keywords API alternatives

- [Mangools, free](https://datacircle.dev/related-keywords-apis/mangools/free/llms.txt): $0.00 per 1,000, 83% complete
- [DataForSEO, free, $1 trial credit, POST /v3/dataforseo_labs/google/keyword_ideas/live](https://datacircle.dev/related-keywords-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-google-keyword-ideas-live/llms.txt): $0.00 per 1,000, 100% complete, 1 month
- [AnyAPI, free trial key, POST /v1/run/seo.related_keywords](https://datacircle.dev/related-keywords-apis/anyapi/free-trial-key-post-v1-run-seo-related-keywords/llms.txt): $0.00 per 1,000, 100% complete, 1 month
- [SE Ranking, free trial, GET /v1/keywords/questions](https://datacircle.dev/related-keywords-apis/se-ranking/free-trial-get-v1-keywords-questions/llms.txt): $0.00 per 1,000, 100% complete, 1 month

## 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://vebapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://vebapi.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://vebapi.com/apis/keywordresearch?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://vebapi.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing