Bing Search APIs: retired on August 11, 2025
Microsoft retired the public Bing Search and Bing Custom Search APIs on August 11, 2025. Which APIs went, what happened to existing keys and what Microsoft points to now.
Short answer
Bing search integrations can no longer use the retired public Bing Search or Bing Custom Search APIs, including existing instances. Microsoft directs new work to Grounding with Bing Search, a tool for Azure AI Agents.
Status checked 2026-11-12. Routes that work for Bing data
The official route first, then the catalogue Actors that fit this problem (search results), by their published fields. Store figures are the publisher's public numbers.
Official price: No public Bing Search API price is available because the product was retired. Compare all 11 Bing routes.
What is verified
| Fact | Value |
|---|
| Announced | May 15, 2025 |
| Retired | August 11, 2025 |
| APIs covered | Web, Image, News, Video, Visual, Custom, Entity, Spell Check and Autosuggest search APIs |
| Existing instances | Decommissioned completely; no new sign-ups |
| Microsoft's suggestion | Grounding with Bing Search, a tool for Azure AI Agents |
Existing instances were decommissioned
Microsoft's retirement announcement confirms complete decommissioning and the end of new sign-ups. Keeping an existing instance or key cannot preserve access to the retired APIs.
Grounding changes the integration choice
Microsoft points to Grounding with Bing Search for Azure AI Agents. Evaluate that agent tool against the application's search requirements; an application collecting search results needs to confirm how the proposed replacement delivers the information it uses.
What works now
Microsoft's suggested route is Grounding with Bing Search for Azure AI Agents. For applications that collect search results, compare that integration model with the application's requirements before selecting it; the retired public API instances are unavailable.
Questions people ask
Will an existing Bing Search API key keep working?
Microsoft completely decommissioned existing instances. An old key cannot restore access to the retired service.
Was Bing Custom Search included?
Bing Custom Search was included in the retirement. It requires a migration alongside the other affected search APIs.
What does Microsoft recommend now?
Microsoft recommends Grounding with Bing Search. It is a tool for Azure AI Agents.
Can archived documentation restore API access?
The archived documentation describes the retired services. Use it to understand an old integration, then choose an available replacement.
Sources
Every dated claim on this page comes from the public sources below. Check the source before you make a business decision on it.
Content updated 2026-11-12Data checked 2026-11-12