# Bing Webmaster Tools, free, GET /webmaster/api.svc/json/GetKeyword: Keyword research API

> Get keyword impressions for selected period

Bing Webmaster Tools's keyword research API on its Free plan. It costs $0.00 per 1,000 keywords. It returns 1 of the 6 key fields we check: Search volume.
Bing Webmaster Tools limits how many calls you get but gives no number.
Half of the 35 plans we rank by price cost $0.16 per 1,000 keywords or less. This plan and 1 other tie for the lowest price per 1,000 keywords of the 35 plans.

- This page: https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeyword
- Get it: https://www.bing.com/webmasters/about
- Request: `GET https://ssl.bing.com/webmaster/api.svc/json/GetKeyword`
- API key: with the plan, on https://www.bing.com/webmasters/about
- Its API docs: https://learn.microsoft.com/en-us/dotnet/api/microsoft.bing.webmaster.api.interfaces.iwebmasterapi.getkeyword?view=bing-webmaster-dotnet
- Sold by: Bing Webmaster Tools (https://www.bing.com/webmasters)
- Checked: 2026-10-29

## In the answer

- Completeness: 17%
- Search volume: ✓

## Price

- $ per 1,000 keywords: $0.00
- Per: call
- Billing: free

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get keyword impressions for selected period

## Data

- Keep data: no limit
- Use data: By 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

- Batch: 1

## The call

- You send: q, country, language, startDate, endDate
- Method: GET
- Path: /webmaster/api.svc/json/GetKeyword

## About the plan

- Plan: Free
- Who can get it: Anyone 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

## Bing Webmaster Tools's plans (1)

- [Bing Webmaster Tools, free, GET /webmaster/api.svc/json/GetKeyword](https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeyword/llms.txt): $0.00 per 1,000, 17% complete

## Bing Webmaster Tools's calls for this API (2)

- `GET /webmaster/api.svc/json/GetKeyword`: [Bing Webmaster Tools, free, GET /webmaster/api.svc/json/GetKeyword](https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeyword/llms.txt)
- `GET /webmaster/api.svc/json/GetKeywordStats`: [Bing Webmaster Tools, free, GET /webmaster/api.svc/json/GetKeywordStats](https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeywordstats/llms.txt)

## Bing Webmaster Tools's APIs (2)

- [Bing Webmaster Tools: related keywords API pricing, 1 plan](https://datacircle.dev/related-keywords-apis/bing-webmaster-tools/free/llms.txt)
- [Bing Webmaster Tools: keyword research API pricing, 1 plan, GetKeyword](https://datacircle.dev/keyword-research-apis/bing-webmaster-tools/free-get-webmaster-api-svc-json-getkeyword/llms.txt)

## Bing Webmaster Tools: keyword research API alternatives

- [DataForSEO, free, $1 trial credit, POST /v3/dataforseo_labs/google/keyword_overview/live](https://datacircle.dev/keyword-research-apis/dataforseo/free-1-trial-credit-post-v3-dataforseo-labs-google-keyword-overview-live/llms.txt): $0.00 per 1,000, 100% complete, 1 month
- [Mangools, free](https://datacircle.dev/keyword-research-apis/mangools/free/llms.txt): $0.00 per 1,000, 83% complete
- [RankParse, free](https://datacircle.dev/keyword-research-apis/rankparse/free/llms.txt): $0.00 per 1,000, 50% complete
- [Moz, free](https://datacircle.dev/keyword-research-apis/moz/free/llms.txt): $0.00 per 1,000, 33% 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 2026-10-29.

- https://learn.microsoft.com/en-us/bingwebmaster/
- https://learn.microsoft.com/en-us/bingwebmaster/getting-access
- https://learn.microsoft.com/en-us/dotnet/api/microsoft.bing.webmaster.api.interfaces.iwebmasterapi.getkeyword?view=bing-webmaster-dotnet
- https://learn.microsoft.com/en-us/dotnet/api/microsoft.bing.webmaster.api.interfaces.keyword?view=bing-webmaster-dotnet
- https://www.bing.com/webmasters/about
- https://www.microsoft.com/en-us/servicesagreement