# SEOZoom, €99 monthly: Related keywords API

> Identifies keywords related to the input keyword.

SEOZoom's related keywords API on its Evolution plan. It costs $1,485.396 per 1,000 keywords. SEOZoom's docs list 1 of the 6 key fields we check: Search volume.
€1,320.00 per 1,000 keywords is $1,485.396 at the European Central Bank's rate of $1.1253 for €1.
We haven't run SEOZoom through [our related keywords API benchmark](https://datacircle.dev/best-related-keywords-api.txt) yet.
Half of the 194 plans we rank by price cost $0.60 per 1,000 keywords or less. 1 of the 194 plans costs more per 1,000 keywords than this plan.
[Keys.so's ₽34,900 monthly plan](https://datacircle.dev/related-keywords-apis/keys-so/34900-monthly/llms.txt) is the cheapest paid plan per 1,000 keywords. Keys.so's ₽34,900 monthly plan charges nothing per call. You get as many keywords as Keys.so's rate limit allows.
[seodata.dev's $4.99 monthly plan](https://datacircle.dev/related-keywords-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 Keys.so's ₽34,900 monthly plan.
[Bing Webmaster Tools](https://datacircle.dev/related-keywords-apis/bing-webmaster-tools/free/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 [Mangools](https://datacircle.dev/related-keywords-apis/mangools/15-monthly/llms.txt) are the best related keywords API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/related-keywords-apis/seozoom/99-monthly
- [Related keywords API: the 7 best providers compared](https://datacircle.dev/best-related-keywords-api.txt)
- Get it: https://www.seozoom.it/prezzi/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- Request: `GET /keywords/`
- API key: with the plan, on https://www.seozoom.it/prezzi/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- Its API docs: https://apidoc.seozoom.com/api/keywords/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing#related
- Sold by: SEOZoom (https://www.seozoom.it?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing)
- Checked: 2026-11-06

## In the answer

- Completeness: 17%
- Search volume: ✓

## Price

- $ per 1,000 keywords: $1,485.396
- Per: result
- Billing: monthly
- $ a month: $111.40

## Charges

- Start fee: $0.00
- Also pays for: from the same budget: Keywords Metrics · Keywords SERP Results · Keywords SERP History · Domains Metrics · Domains Metrics History · Domains Authority · Domains Niches · Domains Best Pages · Domains Keywords · Domains Competitors · URLs Metrics · URLs Keywords · URLs Intent Gap · Projects List · Projects Overview · Projects Monitored Keywords · Projects Best pages · Projects Pages with the most keywords · Projects Pages with Potential · Projects Winner Pages · Projects Loser Pages

## In their words

- Their pitch: Identifies keywords related to the input keyword.

## Data

- Keep data: no limit
- Use data: Standard of use: "SEOZoom APIs are designed to allow you to integrate SEOZoom data into your own reports and software for SEO data analysis. [...] The SEOZoom APIs are not allowed to create commercial products that resell the data you acquire or to make commercial SEO Tools. If you would like to build a commercial tool, please contact our customer service department to submit it for careful evaluation [...]" Termini e condizioni, 11: "È fatto espresso divieto all'Utente di: [...] accedere o raccogliere dati dalla Piattaforma e dalle pagine di SEOZoom usando mezzi automatizzati o tentare di accedere a dati a cui l'Utente non ha il permesso di accedere, [...] vendere, concedere in licenza o acquistare dati ottenuti da SEOZoom o dai servizi che utilizza [...]"

## Plan

- Pay: €99
- You get: 100 credits a day
- Enough for: about 2 results a day

## Rate limit

- Per second: 0.33

## Speed

- Answer: in the call

## The call

- You send: action "related", db, keyword. Optional: limit
- Method: GET
- Path: /keywords/

## About the plan

- Plan: Evolution
- Who can get it: anyone

## The 3 fields the plan's answer can hold

keyword, search volume, SERP affinity

## SEOZoom's plans (5)

- [SEOZoom, €99 monthly](https://datacircle.dev/related-keywords-apis/seozoom/99-monthly/llms.txt): $1,485.396 per 1,000, 17% complete
- [SEOZoom, €199 monthly](https://datacircle.dev/related-keywords-apis/seozoom/199-monthly/llms.txt): $2,985.796 per 1,000, 17% complete
- [SEOZoom, €910 yearly](https://datacircle.dev/related-keywords-apis/seozoom/910-yearly/llms.txt): $1,122.217 per 1,000, 17% complete
- [SEOZoom, €1,948 yearly](https://datacircle.dev/related-keywords-apis/seozoom/1948-yearly/llms.txt): $2,402.284 per 1,000, 17% complete
- [SEOZoom, contact us](https://datacircle.dev/related-keywords-apis/seozoom/contact-us/llms.txt): 17% complete

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

- `GET /keywords/`: [SEOZoom, €99 monthly](https://datacircle.dev/related-keywords-apis/seozoom/99-monthly/llms.txt)

## SEOZoom's APIs (5)

- [SEOZoom: SERP API pricing, 5 plans](https://datacircle.dev/serp-apis/seozoom/99-monthly/llms.txt)
- [SEOZoom: keyword research API pricing, 5 plans](https://datacircle.dev/keyword-research-apis/seozoom/99-monthly/llms.txt)
- [SEOZoom: ranked keywords API pricing, 5 plans](https://datacircle.dev/ranked-keywords-apis/seozoom/99-monthly/llms.txt)
- [SEOZoom: related keywords API pricing, 5 plans](https://datacircle.dev/related-keywords-apis/seozoom/99-monthly/llms.txt)
- [SEOZoom: domain authority API pricing, 5 plans, GET /domains/, Domains Authority](https://datacircle.dev/domain-authority-apis/seozoom/99-monthly-evolution-get-domains-domains-authority/llms.txt)
- [SEOZoom: domain authority API pricing, 5 plans, GET /domains/, Domains Metrics](https://datacircle.dev/domain-authority-apis/seozoom/99-monthly-evolution-get-domains-domains-metrics/llms.txt)

## SEOZoom: related keywords API alternatives

- [Moz, $20 monthly](https://datacircle.dev/related-keywords-apis/moz/20-monthly/llms.txt): $6.667 per 1,000, 0% complete
- [Ranxplorer, €30 pack, Sans abonnement 50 k, GET /v1/kwd/relatedsearches](https://datacircle.dev/related-keywords-apis/ranxplorer/30-pack-sans-abonnement-50-k-get-v1-kwd-relatedsearches/llms.txt): $6.752 per 1,000, 83% complete
- [Morningscore, $69 monthly](https://datacircle.dev/related-keywords-apis/morningscore/69-monthly/llms.txt): $13.80 per 1,000, 50% complete
- [Ahrefs, $129 monthly, Lite, GET /v3/keywords-explorer/related-terms, Related terms, full](https://datacircle.dev/related-keywords-apis/ahrefs/129-monthly-lite-get-v3-keywords-explorer-related-terms-related-terms-full/llms.txt): $44.505 per 1,000, 50% 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 2026-11-06.

- https://apidoc.seozoom.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://apidoc.seozoom.com/api/intro/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://apidoc.seozoom.com/api/keywords/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing#related
- https://apidoc.seozoom.com/intro/standard-of-use/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://www.seozoom.it/prezzi/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://www.seozoom.it/termini-e-condizioni/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing