diff --git a/proto/applications/applications_v1.proto b/proto/applications/applications_v1.proto
new file mode 100644
index 0000000..b1c3d78
--- /dev/null
+++ b/proto/applications/applications_v1.proto
@@ -0,0 +1,93 @@
+/// This file has messages for describing applications
+syntax = "proto3";
+package applications;
+import "google/protobuf/empty.proto";
+option go_package = "git.badhouseplants.net/softplayer/softplayer-go-proto/pkg/applications";
+
+/**
+ * Service for handling applications
+ */
+service Applications {
+  rpc Create(CreateOptions) returns (ApplicationFull) {}
+  rpc Update(UpdateOptions) returns (ApplicationFull) {}
+  rpc Delete(DeleteOptions) returns (google.protobuf.Empty) {}
+  rpc Get(GetOptions) returns (ApplicationFull) {}
+  rpc List(ListOptions) returns (stream ApplicationFull) {}
+}
+
+/**
+  User related messages
+ */
+
+message OwnerId {
+  string uuid = 1; // UUID of a user that is creating an environemnt
+}
+
+message Token {
+  string token = 1; // Token that should be used to create an environment
+}
+
+/**
+  Services options
+ */
+
+message CreateOptions {
+  ApplicationMetadata metadata = 1;
+  ApplicationSpec spec = 2;
+  OwnerId owner_id = 3;
+  Token token = 4;
+}
+
+message UpdateOptions {
+  ApplicationId id = 1;
+  ApplicationMetadata metadata = 2;
+  ApplicationSpec spec = 3;
+  OwnerId owner_id = 4;
+  Token token = 5;
+}
+
+message DeleteOptions {
+  ApplicationId id = 1;
+  ApplicationMetadata metadata = 2;
+  OwnerId owner_id = 3;
+  Token token = 4;
+}
+
+message GetOptions {
+  ApplicationId id = 1;
+  ApplicationMetadata metadata = 2;
+  OwnerId owner_id = 3;
+  Token token = 4;
+}
+
+message ListOptions {
+  ApplicationMetadata metadata = 1;
+  OwnerId owner_id = 2;
+  Token token = 3;
+}
+/**
+  Environment related messages
+ */
+
+message ApplicationId {
+  string uuid = 1;
+}
+
+message ApplicationMetadata {
+  string name = 1; 
+  string description = 2;
+}
+
+message ApplicationSpec {
+  string application = 1;
+  string version = 2;
+  string environemnt_id = 3;
+  map<string, string> config = 4; 
+  string raw_config = 5;
+}
+
+message ApplicationFull {
+  ApplicationMetadata metadata = 1;
+  ApplicationSpec spec = 2;
+  ApplicationId id = 3;
+}