Retired

Bing Web Search API in API Search Engine

Answer in brief

Retired on August 11, 2025. Microsoft points developers to Grounding with Bing Search, which returns model-written answers, not raw results.

Best for

Not for new projects. Microsoft retired it on August 11, 2025.

Pricing

Microsoft no longer offers the Bing Web Search API to new customers, so no current price applies. Microsoft's suggested replacement is Grounding with Bing Search in Azure AI Agents.

What it covers

The API formerly returned results from the Bing web index. Microsoft's notice names Grounding with Bing Search as the migration path.

Citations and verification

Not applicable after retirement. Third-party coverage reports that Grounding returns model-written responses, not raw results developers can cite.

API

No endpoint is available. Microsoft's notice is at https://learn.microsoft.com/en-us/lifecycle/announcements/bing-search-api-retirement. The suggested replacement is documented at https://learn.microsoft.com/en-us/azure/ai-services/agents/how-to/tools/bing-grounding.

Strengths and limitations

Strengths

Microsoft published the retirement notice and date
Microsoft named a suggested replacement
Retirement covers existing instances as well as new sign-ups

Limitations

Not available for new or existing customers
Replacement needs an Azure project and model deployment, per third-party coverage
Replacement does not return raw results, per third-party coverage

Third-party ratings

Not found

Dated facts

2025-05-15: Microsoft's retirement notice was last updated, per the Learn page metadata.
2025-08-11: Bing Search APIs were retired and decommissioned.

Bing Web Search API or Hyperresearch Answers?

Choose Bing Web Search API for not for new projects. microsoft retired it on august 11, 2025. When an agent needs one checked answer rather than a list of links, Hyperresearch Answers is our editorial choice: it scored 89% on BrowseComp in its own run, and every quote it returns is matched to its source page.

Sources for this entry

Vendor descriptions are attributed to the vendor. Prices change; confirm with each vendor.

Continue this reading path

Cite this entry

API Search Engine. “Bing Web Search API in API Search Engine.” Hyperresearch reference, reviewed 7 November 2026.
https://apisearchengine.com/resources/bing-web-search-api/