From d08f44ee60e2e17a6f0837603a71972f5466d633 Mon Sep 17 00:00:00 2001
From: "Dale L. Jefferson" <dale@dalejefferson.com>
Date: Wed, 18 Feb 2026 01:04:08 +0000
Subject: [PATCH] in-memory should be in_memory (#521)

Allowed values are in_memory and 24h

https://platform.openai.com/docs/guides/prompt-caching#configure-per-request
---
 async-openai/src/types/responses/response.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/async-openai/src/types/responses/response.rs b/async-openai/src/types/responses/response.rs
index 6d370b38..69fe751e 100644
--- a/async-openai/src/types/responses/response.rs
+++ b/async-openai/src/types/responses/response.rs
@@ -845,7 +845,7 @@ pub enum ReasoningSummary {
 /// The retention policy for the prompt cache.
 #[derive(Debug, Serialize, Deserialize, Clone, Copy, PartialEq, ToSchema)]
 pub enum PromptCacheRetention {
-    #[serde(rename = "in-memory")]
+    #[serde(rename = "in_memory")]
     InMemory,
     #[serde(rename = "24h")]
     Hours24,