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Bing Webmaster Tools pricing and alternatives: related keywords API

Bing Webmaster Tools's sitellms.txtBest related keywords API in 2026

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17% complete: 1 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 keywordsHalf of the 54 plans we rank by price cost $0.55 per 1,000 keywords or less. This plan is the cheapest of the 54 plans.Mangools, DataForSEO and SE Ranking are the best related keywords API providers in our benchmark.
Plan: Free Bing Webmaster Tools's only plan
Call: GET /webmaster/api.svc/json/GetRelatedKeywords Bing Webmaster Tools's only call for this API
API: Related keywords API one of Bing Webmaster Tools's 2 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 6 key fields we check. Search volume.
  • Nothing to pay. Bing Webmaster Tools limits how many results you get but gives no number.
  • One call. You call GET /webmaster/api.svc/json/GetRelatedKeywords. You send q, country, language, startDate and endDate. The call returns keywords like the one you send.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Bing Webmaster Tools: related keywords API alternatives

We list other providers' plans closest to this plan in price per 1,000 keywords. We also show the SISTRIX plan. It has no price per 1,000 keywords.

This planBing Webmaster Tools, freeMangools, freeDataForSEO, free, $1 trial credit, POST /v3/dataforseo_labs/google/keyword_ideas/liveSE Ranking, free trial, GET /v1/keywords/questionsMoz, freeSISTRIX, €419 monthly
$ per 1,000 keywords$0.00$0.00$0.00$0.00$0.00not published
Completeness17%83%100%100%0%17%
Billingfreefreefreefreefreemonthly
Pay$0$0$0$0$0€419
Enough fornot published5 pages a dayabout 8,333 results, once10,000 results, once50 results a monthnot published
Freshnessunknownunknown1 month1 monthunknownunknown
Who can get itAnyone with a Bing Webmaster Tools account (sign up with any Microsoft, Google or Facebook ID) and a site added and verified thereanyone 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 cardthe company named on the invoice only, with a personal email address on the company's domain for each user, no free email services

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. learn.microsoft.com/en-us/bingwebmaster/
  2. learn.microsoft.com/en-us/bingwebmaster/getting-access
  3. learn.microsoft.com/en-us/dotnet/api/microsoft.bing.webmaster.api.interfaces.iwebmasterapi.getrelatedkeywords?view=bing-webmaster-dotnet
  4. learn.microsoft.com/en-us/dotnet/api/microsoft.bing.webmaster.api.interfaces.keyword?view=bing-webmaster-dotnet
  5. bing.com/webmasters/about
  6. microsoft.com/en-us/servicesagreement

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, not in the answer
  • Search intent, not in the answer
Price
$ per 1,000 keywords$0.00
Perresult
Billingfree
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchGet keyword impressions for selected period
Data
Keep datano limit
Use dataBy agreeing to these Terms, you’re agreeing that, when using the Services, including AI services that make decisions, or take actions, autonomously or with varying levels of human intervention, you will follow these rules: Don’t do anything illegal, or try to generate or share content that is illegal. Don’t engage in any activity that exploits, harms, or threatens to harm children. Don’t send spam or engage in phishing, or try to generate or distribute malware. Spam is unwanted or unsolicited bulk email, postings, contact requests, SMS (text messages), instant messages, or similar electronic communications. Phishing is sending emails or other electronic communications to fraudulently or unlawfully induce recipients to reveal personal or sensitive information, such as passwords, dates of birth, Social Security numbers, passport numbers, credit card information, financial information, or other sensitive information, or to gain access to accounts or records, exfiltration of documents or other sensitive information, payment and/or financial benefit. Malware includes any activity designed to cause technical harm, such as delivering malicious executables, organizing denial of service attacks or managing command and control servers. Don’t publicly display or use the Services to generate or share inappropriate content or material (involving, for example, nudity, bestiality, pornography, offensive language, graphic violence, self-harm, or criminal activity). Don’t engage in activity that is fraudulent, false or misleading (e.g., asking for money under false pretenses, impersonating someone else, creating fake accounts, automating inauthentic activity, generating or sharing content that is intentionally deceptive, manipulating the Services to increase play count, or affect rankings, ratings, or comments). Don’t circumvent any restrictions on access to, usage, or availability of the Services (e.g., attempting to “jailbreak” an AI system or impermissible scraping). Don’t engage in activity that is harmful to you, the Services, or others (e.g., transmitting viruses, stalking, trying to generate or sharing content that harasses, bullies or threatens others, posting terrorist or violent extremist content, communicating hate speech, or advocating violence against others). Don’t violate or infringe upon the rights of others (e.g., unauthorized sharing of copyrighted music or other copyrighted material, resale or other distribution of Bing maps, or taking photographs or video/audio recordings of others without their consent for processing of an individual’s biometric identifiers/information or any other purpose using any of the Services). Don’t engage in activity that violates the privacy of others. Don’t help others break these rules. [...] Bing and MSN Materials. The articles, text, photos, maps, videos, video players, and third-party material available on Bing and MSN, including through Microsoft bots, applications and programs, are for your noncommercial, personal use only. Other uses, including downloading, copying, or redistributing these materials, or using these materials or products to build your own products, are permitted only to the extent specifically authorized by Microsoft or rights holders, or allowed by applicable copyright law. Microsoft or other rights holders reserve all rights to the material not expressly granted by Microsoft under the license terms, whether by implication, estoppel, or otherwise. [...] Reservation of Rights and Feedback. Except as expressly provided under these Terms, Microsoft does not grant you a license or any other rights of any type under any patents, know-how, copyrights, trade secrets, trademarks or other intellectual property owned or controlled by Microsoft or any related entity, including but not limited to any name, trade dress, logo or equivalents. [...]
Plan
Pay$0
Rate limit
Batch1
The call
You sendq, country, language, startDate, endDate
MethodGET
Path/webmaster/api.svc/json/GetRelatedKeywords
About the plan
PlanFree
Who can get itAnyone with a Bing Webmaster Tools account (sign up with any Microsoft, Google or Facebook ID) and a site added and verified there
The 3 fields the plan's answer can hold

keyword, impressions, broad match impressions

Best GTM APIs