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Jun 16, 2025
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Update use-langcache.md #1710

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19 changes: 2 additions & 17 deletions content/operate/rc/langcache/use-langcache.md
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Expand Up @@ -11,7 +11,7 @@ title: Use the LangCache API with your GenAI app
weight: 10
---

You can use the LangCache API from your client app to store and retrieve LLM responses.
You can use the LangCache API from your client app to store and retrieve LLM, RAG, or agent responses.

To access the LangCache API, you need:

Expand Down Expand Up @@ -64,19 +64,14 @@ Place this call in your client app right before you call your LLM's REST API. If

If LangCache does not return a response, you should call your LLM's REST API to generate a new response. After you get a response from the LLM, you can [store it in LangCache](#store-a-new-response-in-langcache) for future use.

You can also limit the responses returned from LangCache by adding an `attributes` object or `scope` object to the request. LangCache will only return responses that match the attributes you specify.
You can also scope the responses returned from LangCache by adding an `attributes` object to the request. LangCache will only return responses that match the attributes you specify.

```sh
POST https://[host]/v1/caches/{cacheId}/search
{
"prompt": "User prompt text",
"attributes": {
"customAttributeName": "customAttributeValue"
},
"scope": {
"applicationId": "applicationId",
"userId": "userId",
"sessionId": "sessionId"
}
}
```
Expand Down Expand Up @@ -104,11 +99,6 @@ POST https://[host]/v1/caches/{cacheId}/entries
"response": "LLM response text",
"attributes": {
"customAttributeName": "customAttributeValue"
},
"scope": {
"applicationId": "applicationId",
"userId": "userId",
"sessionId": "sessionId"
}
}
```
Expand All @@ -124,11 +114,6 @@ DELETE https://[host]/v1/caches/{cacheId}/entries
{
"attributes": {
"customAttributeName": "customAttributeValue"
},
"scope": {
"applicationId": "applicationId",
"userId": "userId",
"sessionId": "sessionId"
}
}
```