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Keyword Insights pricing: related keywords API

Keyword Insights's sitellms.txtRelated keywords API: 4 providers compared on price and dataKeyword Insights: related keywords API alternatives

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67% complete: 4 of the 6 key fields we checkSee the 6 fields
$0.495per 1,000 keywordsWe haven't run Keyword Insights through our related keywords API benchmark yet.Half of the 143 plans we rank by price cost $0.486 per 1,000 keywords or less. This plan costs less per 1,000 keywords than 48% of the 143 plans.XMLRiver's ₽15,000 monthly plan 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, DataForSEO and AnyAPI are the best related keywords API providers in our benchmark.
Plan: Professional one of Keyword Insights's 3 plans
Call: POST /api/keyword-discovery/order/ Keyword Insights's only call
API: Related keywords API Keyword Insights's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 6 key fields we check. Search volume, Monthly trend, Cost per click, Competition.
  • A monthly subscription. You pay $99 a month for 20,000 credits, enough for 20 pages. Unused credits expire at the end of each billing cycle.
  • One call. You call POST /api/keyword-discovery/order/. You send seed_keyword, language and location. You can also send folder_id. The call returns a job. You fetch the answer once the job is done.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Keyword Insights: related keywords API alternatives

Keyword Insights alternatives: every related keywords API provider ranked

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

This planKeyword Insights, $99 monthlyRanxplorer, €132 pack, Sans abonnement 300 k, GET /v1/kwd/relatedsearchesSocQ, top-up from $5, Starter, POST /v1/seo/keyword-suggestionsKeywords Everywhere, $500 pack, 2,000,000 credits, POST /v1/get_pasf_keywordsAhrefs, $1,290 yearly, Lite, GET /v3/keywords-explorer/matching-terms, Matching terms
$ per 1,000 keywords$0.495$0.495$0.50$0.50$0.537
Completeness67%83%100%0%50%
Billingmonthlypay firstpay firstpay firstyearly
Pay$99€132$5$500$1,290
Enough for20 pages a month300,000 resultsas many as you pay for1,000,000 results200,000 results a month
Who can get itanyoneanyoneanyoneanyone 13 or over with a Keywords Everywhere accountanyone with an Ahrefs account, only workspace owners and admins create API keys

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

  1. api.keywordinsights.ai/apidocs
  2. api.keywordinsights.ai/public_api_spec.json
  3. changelog.keywordinsights.ai/new-and-improved-keyword-discovery-plus-ai-writer-agent-api
  4. docs.keywordinsights.ai/account-management/pricing/subscription/universal-credits-explained.md
  5. docs.keywordinsights.ai/api/api-key-authentication
  6. docs.keywordinsights.ai/api/api-use-cases/public-api-keyword-discovery
  7. keywordinsights.ai/pricing/
  8. keywordinsights.ai/terms-conditions

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$0.495
Perpage of 10,000
Billingmonthly
$ a month$99
Charges
Also pays forfrom the same budget: Keyword ranking advanced report · Batch interface for ranking advanced report · Content Briefs creation · Create the keyword content order in KWI system · Create the insights order in KWI system · Create a writer agent order
In their words
Their pitchThe integration point to automate your process
Data
Keep datano limit
Use dataBy using this website/service, you warrant on behalf of yourself, your users, and other parties you represent that you will not: Modify, copy, prepare derivative works of, decompile, or reverse engineer any materials and software contained on this website, Remove any copyright or other proprietary notations from any materials and software on this website, Transfer the materials to another person or “mirror” the materials on any other server, Knowingly or negligently use this website or any of its associated services in a way that abuses or disrupts our networks or any other service Snippet Digital provides, Use this website or its associated services to transmit or publish any harassing, indecent, obscene, fraudulent, or unlawful material, Use this website or its associated services in violation of any applicable laws or regulations, Use this website in conjunction with sending unauthorised advertising or spam, Harvest, collect or gather user data without the user’s consent, or Use this website or its associated services in such a way that may infringe the privacy, intellectual property rights, or other rights of third parties.
Plan
Pay$99
You get20,000 credits a month
Enough for20 pages a month
Expiresat the end of each billing cycle
Rate limit
Batch1
Speed
Answerby polling
The call
You sendseed_keyword, language, location. Optional: folder_id
MethodPOST
Path/api/keyword-discovery/order/
About the plan
PlanProfessional
Who can get itanyone
The 18 fields the plan's answer can hold

keyword, search volume, monthly searches, cost per click, competition, competition level, source, relevancy score, clicks, click-through rate, impressions, position, keyword status, hidden, selected, keyword ID, order ID, total results

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