# SISTRIX, €419 monthly: Keyword research API > Displays the most important data points for the given keywords, such as competition, CPC (cost per click), traffic, clicks, and device distribution. SISTRIX's keyword research API on its Professional plan. It returns 3 of the 6 key fields we check: Search volume, Cost per click, Competition. We rank 35 plans by price. [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. - This page: https://datacircle.dev/keyword-research-apis/sistrix/419-monthly - Get it: https://www.sistrix.com/pricing - Request: `GET https://api.sistrix.com/keyword.seo.metrics` - API key: with the plan, on https://www.sistrix.com/pricing - Its API docs: https://www.sistrix.com/api/keyword/keyword-seo-metrics/ - Sold by: SISTRIX (https://www.sistrix.com) - Checked: 2026-10-29 ## In the answer - Completeness: 50% - Search volume: ✓ - Cost per click: ✓ - Competition: ✓ ## Price - Per: result - Billing: monthly - $ a month: $471.50 ## Charges - Also pays for: from the same budget: links.list · keyword.domain.seo · keyword.questions · links.overview · links.linktexts · keyword.seo · marketplace.product.price · domain.overview · domain.ideas · domain.kwcount.seo ## In their words - Their pitch: Displays the most important data points for the given keywords, such as competition, CPC (cost per click), traffic, clicks, and device distribution. ## Data - Keep data: no limit - Use data: The data, functions, and results provided by the API may not be shared with third parties without explicit written authorization. [...] Any misuse of the API, including circumventing rate limits, testing for security vulnerabilities, or intentionally overloading the API, is strictly prohibited. ## Plan - Pay: €419 ## Rate limit - Per second: 5 ## The call - You send: kw. Optional: country - Method: GET - Path: /keyword.seo.metrics ## About the plan - Plan: Professional - Who can get it: the company named on the invoice only, with a personal email address on the company's domain for each user, no free email services ## The 7 fields the plan's answer can hold keyword, competition, cost per click, traffic, clicks, mobile distribution, desktop distribution ## SISTRIX's plans (5) - [SISTRIX, €419 monthly](https://datacircle.dev/keyword-research-apis/sistrix/419-monthly/llms.txt): 50% complete - [SISTRIX, €799 monthly](https://datacircle.dev/keyword-research-apis/sistrix/799-monthly/llms.txt): 50% complete - [SISTRIX, €4,188 yearly](https://datacircle.dev/keyword-research-apis/sistrix/4188-yearly/llms.txt): 50% complete - [SISTRIX, €7,188 yearly](https://datacircle.dev/keyword-research-apis/sistrix/7188-yearly/llms.txt): 50% complete - [SISTRIX, contact us](https://datacircle.dev/keyword-research-apis/sistrix/contact-us/llms.txt): 50% complete ## SISTRIX's calls for this API (1) - `GET /keyword.seo.metrics`: [SISTRIX, €419 monthly](https://datacircle.dev/keyword-research-apis/sistrix/419-monthly/llms.txt) ## SISTRIX's APIs (4) - [SISTRIX: backlink API pricing, 5 plans](https://datacircle.dev/backlink-apis/sistrix/419-monthly/llms.txt) - [SISTRIX: keyword research API pricing, 5 plans](https://datacircle.dev/keyword-research-apis/sistrix/419-monthly/llms.txt) - [SISTRIX: ranked keywords API pricing, 5 plans](https://datacircle.dev/ranked-keywords-apis/sistrix/419-monthly/llms.txt) - [SISTRIX: related keywords API pricing, 5 plans](https://datacircle.dev/related-keywords-apis/sistrix/419-monthly/llms.txt) ## SISTRIX: keyword research API alternatives - [Moz, $20 monthly](https://datacircle.dev/keyword-research-apis/moz/20-monthly/llms.txt): 33% 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 2026-10-29. - https://www.sistrix.com/api/ - https://www.sistrix.com/api/exports-and-credits - https://www.sistrix.com/api/keyword/keyword-seo-metrics/ - https://www.sistrix.com/api/limitations/ - https://www.sistrix.com/faq/how-does-the-credit-system-work-within-the-toolbox - https://www.sistrix.com/pricing - https://www.sistrix.com/support/profiles