diff --git a/pkg/claude/claude.go b/pkg/claude/claude.go
index 5218101..bf875e0 100644
--- a/pkg/claude/claude.go
+++ b/pkg/claude/claude.go
@@ -63,11 +63,11 @@ type MessageModule struct {
 type CompleteRequest struct {
 	Model             string `json:"model,omitempty"`                //*
 	Prompt            string `json:"prompt,omitempty"`               //*
-	MaxTokensToSample int    `json:"max_Tokens_To_Sample,omitempty"` //*
+	MaxTokensToSample int    `json:"max_tokens_to_sample,omitempty"` //*
 	StopSequences     string `json:"stop_Sequences,omitempty"`
 	Temperature       int    `json:"temperature,omitempty"`
-	TopP              int    `json:"top_P,omitempty"`
-	TopK              int    `json:"top_K,omitempty"`
+	TopP              int    `json:"top_p,omitempty"`
+	TopK              int    `json:"top_k,omitempty"`
 	Stream            bool   `json:"stream,omitempty"`
 	Metadata          struct {
 		UserId string `json:"user_Id,omitempty"`