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AnyAPI pricing and alternatives: related keywords API, POST /v1/run/ahrefs.keyword_ideas

AnyAPI's sitellms.txtBest related keywords API in 2026

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 keywordsWe rank 53 plans by price. Mangools's $15 monthly plan costs the least per 1,000 keywords: $0.0001. Mangools charges for each page of results. We count 10,000 keywords on each page to get the $0.0001 price.Mangools, DataForSEO and SE Ranking are the best related keywords API providers in our benchmark.
Plan: Free trial key one of AnyAPI's 4 plans
Call: POST /v1/run/ahrefs.keyword_ideas one of AnyAPI's 4 calls for this API
API: Related keywords API one of AnyAPI's 45 APIs

About this item

  • Stored. You get keyword data from AnyAPI's database. AnyAPI doesn't say how old the data is.
  • 2 of the 6 key fields we check. Search volume, Keyword difficulty.
  • Nothing to pay. You get $0.05 of credit once, enough for about 9 pages. Unused credit expires after 7 days.
  • One call. You send keyword to POST /v1/run/ahrefs.keyword_ideas. You can also send country, source, allowFallbacks, ignoreSources and preferLatencyUnderMs. The call returns keywords like the one you send.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

AnyAPI: related keywords API alternatives

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

This planAnyAPI, free trial key, POST /v1/run/ahrefs.keyword_ideasMangools, freeDataForSEO, free, $1 trial credit, POST /v3/dataforseo_labs/google/keyword_ideas/liveSE Ranking, free trial, GET /v1/keywords/questionsMoz, free
$ per 1,000 keywords$0.00$0.00$0.00$0.00$0.00
Completeness33%83%100%83%0%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough forabout 9 pages, once5 pages a dayabout 8,333 results, once10,000 results, once50 results a month
Freshnessstoredunknown1 month1 monthunknown
Who can get itanyone 18 or over, with no account, for business or professional use, not in an embargoed jurisdiction or on a restricted-party listanyone of legal age to form a binding contractnew accounts, one each, not in Russia, Belarus, Cuba, Iran, Syria, Myanmar, North Korea or Russian-occupied Ukraineanyone who confirms an email address, a direct competitor of SE Ranking exceptedanyone with a valid, non-expired credit card

Every related keywords API provider we score, ranked

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.

  1. api.getanyapi.com/catalog
  2. api.getanyapi.com/openapi.json
  3. getanyapi.com/
  4. getanyapi.com/acceptable-use
  5. getanyapi.com/api/linkedin/profile
  6. getanyapi.com/catalog
  7. getanyapi.com/docs
  8. getanyapi.com/docs/agent-self-signup
  9. getanyapi.com/docs/api-keys
  10. getanyapi.com/docs/api-reference/ahrefs/keyword-ideas
  11. getanyapi.com/docs/durable-requests
  12. getanyapi.com/docs/quickstart
  13. getanyapi.com/llms.txt
  14. getanyapi.com/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, not in the answer
  • Cost per click, not in the answer
  • Competition, not in the answer
  • Keyword difficulty
  • Search intent, not in the answer
Price
$ per 1,000 keywords$0.00
Perpage, size not stated
Billingfree
Charges
Also pays forfrom the same budget: 469 other calls
Not found
$ per 1,000$0.00
In their words
Their pitchGet related keyword suggestions for any seed term, each with an Ahrefs difficulty and search-volume bucket.
Data
Freshnessstored
Keep datano limit
Use dataYou are solely responsible for ensuring that your collection and use of Customer Data is lawful. This includes compliance with applicable laws (including data protection, intellectual property, and computer-access laws) and, where they apply to you, the terms of the websites and services from which data originates. [...] Do not collect non-public data (data accessible only behind a login, paywall, or other access control) without authorization from the source. [...] Comply with all data protection and privacy laws that apply to the personal data you collect (including the GDPR and US state privacy laws), including having a legal basis and honoring data-subject rights. Do not collect or use personal data to stalk, harass, dox, surveil, or otherwise harm individuals. Do not build profiles of individuals from sensitive data (such as health, biometric, or precise-location data) without a lawful basis. [...] Do not use the Service to engage in, support, or promote: Any unlawful activity, or any violation of third-party rights. Phishing, malware distribution, or any form of fraud or deception, including advertising or click fraud and obtaining the Service with intent to avoid payment. Spam or unsolicited bulk messaging, or building contact lists for them. Fake engagement: fabricated reviews, votes, followers, accounts, or coordinated disinformation. Harassment, threats, or incitement of violence. Child sexual abuse material in any form: zero tolerance, we report it to the relevant authorities. Violations of export-control or sanctions laws. [...] Do not resell raw access to the Service or operate a service that merely proxies it, without our written agreement.
Plan
Pay$0
You get$0.05
Enough forabout 9 pages, once
Expires7 days
Rate limit
Batch1
Speed
Median9.36 s
The call
You sendkeyword. Optional: country, source, allowFallbacks, ignoreSources, preferLatencyUnderMs
MethodPOST
Path/v1/run/ahrefs.keyword_ideas
About the plan
PlanFree trial key
Who can get itanyone 18 or over, with no account, for business or professional use, not in an embargoed jurisdiction or on a restricted-party list
The 17 fields the plan's answer can hold

source keyword, country, search engine, keyword, keyword difficulty, search volume, updated at, question keyword, question keyword difficulty, question search volume, question updated at, found, amount charged, result ID, replayed, serving source, results returned

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