diff --git a/internal/cmd/coinset/get_fee_estimate.go b/internal/cmd/coinset/get_fee_estimate.go
new file mode 100644
index 0000000..6e4f27b
--- /dev/null
+++ b/internal/cmd/coinset/get_fee_estimate.go
@@ -0,0 +1,58 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	getFeeEstimateCmd.Flags().StringP("file", "f", "", "Path to file containing the spend bundle JSON")
+	rootCmd.AddCommand(getFeeEstimateCmd)
+}
+
+var getFeeEstimateCmd = &cobra.Command{
+	Use:   "get_fee_estimate [spend_bundle_json]",
+	Short: "Get fee estimate for a spend bundle",
+	Long:  `Get fee estimate for a spend bundle. The spend bundle can be provided directly as an argument or via a file using the -f flag.`,
+}
+
+func init() {
+	var spendBundleJson string
+	var parsedJson map[string]interface{}
+
+	getFeeEstimateCmd.Args = func(cmd *cobra.Command, args []string) error {
+		fileFlag, _ := cmd.Flags().GetString("file")
+
+		if (len(args) == 0 && fileFlag == "") || (len(args) > 0 && fileFlag != "") {
+			return fmt.Errorf("must provide either spend bundle JSON as argument or file path with -f flag, but not both")
+		}
+
+		if len(args) > 0 {
+			if len(args) > 1 {
+				return fmt.Errorf("too many arguments provided. Did you forget to quote your JSON? Expected: get_fee_estimate '<json>' or get_fee_estimate -f <filename>")
+			}
+			spendBundleJson = args[0]
+		}
+
+		if fileFlag != "" {
+			data, err := os.ReadFile(fileFlag)
+			if err != nil {
+				return fmt.Errorf("unable to read file %s: %v", fileFlag, err)
+			}
+			spendBundleJson = string(data)
+		}
+
+		if err := json.Unmarshal([]byte(spendBundleJson), &parsedJson); err != nil {
+			return fmt.Errorf("invalid JSON: %v", err)
+		}
+
+		return nil
+	}
+
+	getFeeEstimateCmd.Run = func(cmd *cobra.Command, args []string) {
+		makeRequest("get_fee_estimate", parsedJson)
+	}
+}
diff --git a/internal/cmd/coinset/get_memos_by_coin_name.go b/internal/cmd/coinset/get_memos_by_coin_name.go
new file mode 100644
index 0000000..6fafbf8
--- /dev/null
+++ b/internal/cmd/coinset/get_memos_by_coin_name.go
@@ -0,0 +1,31 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(getMemosByCoinNameCmd)
+}
+
+var getMemosByCoinNameCmd = &cobra.Command{
+	Use: "get_memos_by_coin_name <name>",
+	Args: func(cmd *cobra.Command, args []string) error {
+		if err := cobra.ExactArgs(1)(cmd, args); err != nil {
+			return err
+		}
+		if isHex(args[0]) {
+			return nil
+		}
+		return fmt.Errorf("invalid hex value specified: %s", args[0])
+	},
+	Short: "Retrieves memos for a coin",
+	Long:  "Retrieves memos for a coin",
+	Run: func(cmd *cobra.Command, args []string) {
+		jsonData := map[string]interface{}{}
+		jsonData["name"] = formatHex(args[0])
+		makeRequest("get_memos_by_coin_name", jsonData)
+	},
+}