diff --git a/ymt_v3_generate/api_key.go b/ymt_v3_generate/api_key.go
new file mode 100644
index 0000000..f080caf
--- /dev/null
+++ b/ymt_v3_generate/api_key.go
@@ -0,0 +1,53 @@
+package ymt_v3_generate
+
+import "context"
+
+// CreateKeyOrder 获取券码
+func (c *Client) CreateKeyOrder(ctx context.Context, req *KeyOrderRequest) (*KeyOrderResponse, error) {
+	var resp KeyOrderResponse
+	err := c.Do(ctx, "POST", "/openapi/v1/key/order", req, &resp)
+	if err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// QueryKey 券码查询
+func (c *Client) QueryKey(ctx context.Context, req *KeyQueryRequest) (*KeyQueryResponse, error) {
+	var resp KeyQueryResponse
+	err := c.Do(ctx, "POST", "/openapi/v1/key/query", req, &resp)
+	if err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// DiscardKey 券码作废
+func (c *Client) DiscardKey(ctx context.Context, req *KeyDiscardRequest) (*KeyDiscardResponse, error) {
+	var resp KeyDiscardResponse
+	err := c.Do(ctx, "POST", "/openapi/v1/key/discard", req, &resp)
+	if err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// BatchOrder 批量发卡
+func (c *Client) BatchOrder(ctx context.Context, req *BatchOrderRequest) (*BatchOrderResponse, error) {
+	var resp BatchOrderResponse
+	err := c.Do(ctx, "POST", "/openapi/v1/key/batch_order", req, &resp)
+	if err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// BatchQuery 批量查询
+func (c *Client) BatchQuery(ctx context.Context, req *BatchQueryRequest) (*BatchQueryResponse, error) {
+	var resp BatchQueryResponse
+	err := c.Do(ctx, "POST", "/openapi/v1/key/batch_query", req, &resp)
+	if err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
\ No newline at end of file