diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7110b6e..ce88525 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 1.29.0 - 2024-06-24
+### Added
+- Added support for Anthropic sonnet 3.5
+- Added retry strategy to routes
+- Added support for Azure OpenAI completions endpoint
+
+### Changed
+- Changed to using sha256 hashing algorithm for computing cache key within routes
+
 ## 1.28.4 - 2024-06-12
 ### Added
 - Added filtering by status code for events v2 API
diff --git a/docs/admin.yaml b/docs/admin.yaml
index 532f28e..22c7cfb 100644
--- a/docs/admin.yaml
+++ b/docs/admin.yaml
@@ -1793,6 +1793,10 @@ components:
           $ref: "#/components/schemas/StepConfigParams"
           example: { "deploymentId": "ada-test", "apiVersion": "2022-12-01" }
           description: Params required for making Azure OpenAI requests. Required if the provider is 'azure'.
+        retryInterval:
+          type: string
+          example: "1s"
+          description: Interval between each retry. Valid units are "ms" and "s".
         timeout:
           type: string
           example: "5s"
@@ -1821,6 +1825,11 @@ components:
           type: string
           example: "/production/chat/completion"
           description: Unique path for the route.
+        retryStrategy:
+          type: string
+          enum: ["exponential", "constant"]
+          example: "constant"
+          description: Different strategies for retries.
         steps:
           type: array
           items:
diff --git a/internal/manager/route.go b/internal/manager/route.go
index 2a70e4b..de2df0b 100644
--- a/internal/manager/route.go
+++ b/internal/manager/route.go
@@ -231,6 +231,17 @@ func (m *RouteManager) validateRoute(r *route.Route) error {
 			fields = append(fields, fmt.Sprintf("steps.[%d].provider", index))
 		}
 
+		if len(step.RetryInterval) != 0 {
+			_, err := time.ParseDuration(step.RetryInterval)
+			if err != nil {
+				fields = append(fields, fmt.Sprintf("steps.[%d].retryInterval", index))
+			}
+
+			if !strings.HasSuffix(step.RetryInterval, "s") || !strings.HasSuffix(step.RetryInterval, "ms") {
+				fields = append(fields, fmt.Sprintf("steps.[%d].retryInterval", index))
+			}
+		}
+
 		if !contains(step.Provider, supportedProviders) {
 			return fmt.Errorf("steps.[%d].provider is not supported. Only azure and openai are supported", index)
 		}