Datacircle

Google Ads API pricing: related keywords API

Google Ads API's siteThis page as plain textRelated keywords API: the best SEO keyword data providersGoogle Ads API: related keywords API alternatives

Is Google Ads API yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

67% complete: 4 of the 6 fields on our checklistSee the 6 fields
$0.00per 1,000 keywordsWe haven't run Google Ads API through our related keywords API benchmark yet.We rank 226 plans for related keywords APIs by price. Half the plans cost $0.596 or less per 1,000 keywords. This plan and 4 others tie for the lowest price per 1,000 keywords of the 226 plans. See the best free related keywords API plan.seodata.dev's $4.99 monthly plan covers any number of keywords. seodata.dev's $4.99 monthly plan costs less up front than Keys.so's ₽34,900 (about $417) monthly plan.DataForSEO, Bing Webmaster Tools and Bukvarix are the best related keywords API providers in the Datacircle benchmark.
Type a number to see the cheapest Google Ads API plan for that many keywords. The table below then sorts the other plans by what each costs.
Plan: Standard one of Google Ads API's 2 plans
Call: POST /v26/customers/{customer_id}:generateKeywordIdeas Google Ads API's only call for this API
API: Related keywords API one of Google Ads API's 2 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 6 fields on our checklist. Search volume, Monthly trend, Cost per click, Competition.
  • Nothing to pay. You get as many pages as you like.
  • One call. You call POST /v26/customers/{customer_id}:generateKeywordIdeas with the inputs in Product details. The call returns keywords like each one you send.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Google Ads API: related keywords API alternatives

Google Ads API alternatives: other related keywords API providers by price

We list other providers' plans closest to this plan in price per 1,000 keywords.

This planGoogle Ads API, free, StandardDataForSEO, free, $1 trial credit, POST /v3/dataforseo_labs/google/keyword_ideas/liveBing Webmaster Tools, freeBukvarix, free, Without registration, POST /v1/mkeywords/Mangools, free
$ per 1,000 keywords$0.00$0.00$0.00$0.00$0.00
Completeness67%100%17%17%83%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough forno limitabout 8,333 results, oncenot publishednot published5 pages a day
Freshnessunknown1 monthunknownas of 2026-09-11unknown
Who can get ita Google Cloud project granted Standard access after a detailed manual audit (typically 10 business days), only for developers who require unlimited Google Ads API operations, such as large companies or tools that serve many users, the tool must comply with the Required Minimum Functionality, and a finding of non-compliance in the API Review Team's audit may require non-compliance feesnew accounts, one each, not in Russia, Belarus, Cuba, Iran, Syria, Myanmar, North Korea or Russian-occupied UkraineAnyone with a Bing Webmaster Tools account (sign up with any Microsoft, Google or Facebook ID) and a site added and verified thereanyoneanyone of legal age to form a binding contract

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.

  1. developers.google.com/google-ads/api/docs/api-policy/access-levels
  2. developers.google.com/google-ads/api/docs/best-practices/quotas
  3. developers.google.com/google-ads/api/docs/best-practices/test-accounts
  4. developers.google.com/google-ads/api/docs/get-started/introduction
  5. developers.google.com/google-ads/api/docs/keyword-planning/generate-keyword-ideas
  6. developers.google.com/google-ads/api/docs/keyword-planning/overview
  7. developers.google.com/google-ads/api/docs/productionize/access-levels
  8. developers.google.com/google-ads/api/docs/rate-sheet
  9. developers.google.com/google-ads/api/reference/rpc/v26/GenerateKeywordIdeaResponse
  10. developers.google.com/google-ads/api/reference/rpc/v26/GenerateKeywordIdeaResult
  11. developers.google.com/google-ads/api/reference/rpc/v26/KeywordPlanHistoricalMetrics
  12. developers.google.com/google-ads/api/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Search volume
  • Monthly trend
  • Cost per click
  • Competition
  • Keyword difficulty, not in the answer
  • Search intent, not in the answer
Price
$ per 1,000 keywords$0.00
Perpage of 10,000
Billingfree
Charges
Also pays forfrom the same budget: KeywordPlanIdeaService.GenerateKeywordForecastMetrics · KeywordPlanIdeaService.GenerateKeywordHistoricalMetrics
Not found
$ per 1,000$0.00
In their words
Their pitchUsing the KeywordPlanIdeaService, you can discover keyword suggestions that are relevant to your Google Search campaign, or retrieve historical metrics for an existing list of keywords.
Data
Keep datano limit
Use dataPermitted Access. You will only access (or attempt to access) the Google Ads API by the means described in the Google Ads API Specifications. You will not misrepresent or mask your identity when using the Google Ads API. [...] Use of the Google Ads API is subject to applicable Google policies available at https://support.google.com/adspolicy/answer/6169371 or other URL as provided by Google from time to time ("Policies"). [...] Compliance with Law. You are responsible for complying with all applicable governmental laws, rules, and regulations. You must not use the Google Ads API in a manner that violates such laws, rules, and regulations, or in a manner that is deceptive, unethical, false, or misleading. Usage and Quotas. [...] You must not attempt to exceed automated use-quota restrictions. [...] Data Protection. (A) To the extent that you access, use or otherwise process (i) any information that directly or indirectly identifies a natural person, or (ii) information that is not specifically about an identifiable individual but, when combined with other information, may directly or indirectly identify a natural person ("Personal Information") made available by Google, you will: [...] use or otherwise access Personal Information only for purposes which are consistent with the consent obtained from the individual to whom the Personal Information relates or as expressly permitted in these terms by Google [...] Permissible use only applies to Google Cloud projects with Standard access level. Permissible use is allocated based on intended use of the Google Ads API. [...] Researching keywords and recommendations | Allow the Google Cloud project to access RecommendationService, KeywordPlanIdeaService, and KeywordPlanService. This is only used by tools requiring suggestions to help facilitate the creation and management of Google Ads campaigns.
Plan
Pay$0
Enough forno limit
Rate limit
Per second1
Batch20
Speed
Answerin the call
The call
You sendContent-Type header "application/json", customer_id, one of keywordSeed.keywords, urlSeed.url, keywordAndUrlSeed.url with keywordAndUrlSeed.keywords, or siteSeed.site. Optional: language, geoTargetConstants, keywordPlanNetwork, includeAdultKeywords, keywordAnnotation, aggregateMetrics, historicalMetricsOptions, pageSize, pageToken
MethodPOST
Path/v26/customers/{customer_id}:generateKeywordIdeas
About the plan
PlanStandard
Who can get ita Google Cloud project granted Standard access after a detailed manual audit (typically 10 business days), only for developers who require unlimited Google Ads API operations, such as large companies or tools that serve many users, the tool must comply with the Required Minimum Functionality, and a finding of non-compliance in the API Review Team's audit may require non-compliance fees
The 12 fields the plan's answer can hold

keyword, close variants, search volume, monthly searches, competition, competition index, low top of page bid, high top of page bid, cost per click, keyword concepts, device breakdown, total results

Best GTM APIs