diff --git a/internal/api/packets_test.go b/internal/api/packets_test.go
new file mode 100644
index 0000000..bce578e
--- /dev/null
+++ b/internal/api/packets_test.go
@@ -0,0 +1,96 @@
+package api_test
+
+import (
+	"testing"
+
+	"github.com/MeshCore-Beacon/beacon-server/internal/api"
+	"github.com/meshcore-go/meshcore-go"
+)
+
+func TestPayloadTypeName(t *testing.T) {
+	tests := []struct {
+		input int16
+		want  string
+	}{
+		{0x00, "request"},
+		{0x01, "response"},
+		{0x02, "text_message"},
+		{0x03, "acknowledgement"},
+		{0x04, "advert"},
+		{0x05, "group_text"},
+		{0x06, "group_data"},
+		{0x07, "anonymous_request"},
+		{0x08, "path"},
+		{0x09, "trace"},
+		{0x0A, "multipart"},
+		{0x0B, "control"},
+		{0x0C, "reserved"},
+		{0x0D, "reserved"},
+		{0x0E, "reserved"},
+		{0x0F, "raw_custom"},
+		{0xFF, "unknown"},
+	}
+	for _, tt := range tests {
+		got := api.PayloadTypeName(tt.input)
+		if got != tt.want {
+			t.Errorf("PayloadTypeName(%#x) = %q, want %q", tt.input, got, tt.want)
+		}
+	}
+}
+
+func TestPayloadTypeFromString(t *testing.T) {
+	tests := []struct {
+		input string
+		want  int16
+	}{
+		{"request", int16(meshcore.PayloadTypeReq)},
+		{"req", int16(meshcore.PayloadTypeReq)},
+		{"response", int16(meshcore.PayloadTypeResponse)},
+		{"txt_msg", int16(meshcore.PayloadTypeTxtMsg)},
+		{"txtmsg", int16(meshcore.PayloadTypeTxtMsg)},
+		{"text", int16(meshcore.PayloadTypeTxtMsg)},
+		{"direct", int16(meshcore.PayloadTypeTxtMsg)},
+		{"acknowledgement", int16(meshcore.PayloadTypeAck)},
+		{"ack", int16(meshcore.PayloadTypeAck)},
+		{"advertisement", int16(meshcore.PayloadTypeAdvert)},
+		{"advert", int16(meshcore.PayloadTypeAdvert)},
+		{"grp_txt", int16(meshcore.PayloadTypeGrpTxt)},
+		{"group_text", int16(meshcore.PayloadTypeGrpTxt)},
+		{"group", int16(meshcore.PayloadTypeGrpTxt)},
+		{"path", int16(meshcore.PayloadTypePath)},
+		{"trace", int16(meshcore.PayloadTypeTrace)},
+		{"multipart", int16(meshcore.PayloadTypeMultiPart)},
+		{"multi-part", int16(meshcore.PayloadTypeMultiPart)},
+		{"control", int16(meshcore.PayloadTypeControl)},
+		{"raw_custom", int16(meshcore.PayloadTypeRawCustom)},
+		{"raw", int16(meshcore.PayloadTypeRawCustom)},
+		{"ADVERT", int16(meshcore.PayloadTypeAdvert)}, // case insensitive
+		{"", -1},
+		{"garbage", -1},
+	}
+	for _, tt := range tests {
+		got := api.PayloadTypeFromString(tt.input)
+		if got != tt.want {
+			t.Errorf("PayloadTypeFromString(%q) = %d, want %d", tt.input, got, tt.want)
+		}
+	}
+}
+
+func TestRouteTypeName(t *testing.T) {
+	tests := []struct {
+		input int16
+		want  string
+	}{
+		{int16(meshcore.RouteTypeFlood), "FLOOD"},
+		{int16(meshcore.RouteTypeDirect), "DIRECT"},
+		{int16(meshcore.RouteTypeTransportFlood), "TRANSPORT_FLOOD"},
+		{int16(meshcore.RouteTypeTransportDirect), "TRANSPORT_DIRECT"},
+		{99, "unknown"},
+	}
+	for _, tt := range tests {
+		got := api.RouteTypeName(tt.input)
+		if got != tt.want {
+			t.Errorf("RouteTypeName(%d) = %q, want %q", tt.input, got, tt.want)
+		}
+	}
+}