diff --git a/frontend/rust-lib/Cargo.lock b/frontend/rust-lib/Cargo.lock
index a68a49b20a..14c2641968 100644
--- a/frontend/rust-lib/Cargo.lock
+++ b/frontend/rust-lib/Cargo.lock
@@ -180,6 +180,19 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "appflowy-cloud-billing-client"
+version = "0.1.0"
+source = "git+https://github.com/AppFlowy-IO/AppFlowy-Cloud-Billing-Client?rev=b95d520d5c570c85cb5e0fd2980220deea41df2b#b95d520d5c570c85cb5e0fd2980220deea41df2b"
+dependencies = [
+ "client-api",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "shared-entity",
+ "tokio",
+]
+
 [[package]]
 name = "arc-swap"
 version = "1.7.1"
@@ -1149,7 +1162,7 @@ dependencies = [
  "cssparser-macros",
  "dtoa-short",
  "itoa",
- "phf 0.8.0",
+ "phf 0.11.2",
  "smallvec",
 ]
 
@@ -2005,6 +2018,7 @@ name = "flowy-server"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "appflowy-cloud-billing-client",
  "assert-json-diff",
  "bytes",
  "chrono",
@@ -3718,7 +3732,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
 dependencies = [
- "phf_macros",
+ "phf_macros 0.8.0",
  "phf_shared 0.8.0",
  "proc-macro-hack",
 ]
@@ -3738,6 +3752,7 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ade2d8b8f33c7333b51bcf0428d37e217e9f32192ae4772156f65063b8ce03dc"
 dependencies = [
+ "phf_macros 0.11.2",
  "phf_shared 0.11.2",
 ]
 
@@ -3805,6 +3820,19 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "phf_macros"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3444646e286606587e49f3bcf1679b8cef1dc2c5ecc29ddacaffc305180d464b"
+dependencies = [
+ "phf_generator 0.11.2",
+ "phf_shared 0.11.2",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.47",
+]
+
 [[package]]
 name = "phf_shared"
 version = "0.8.0"
@@ -4008,7 +4036,7 @@ checksum = "c55e02e35260070b6f716a2423c2ff1c3bb1642ddca6f99e1f26d06268a0e2d2"
 dependencies = [
  "bytes",
  "heck 0.4.1",
- "itertools 0.10.5",
+ "itertools 0.11.0",
  "log",
  "multimap",
  "once_cell",
@@ -4029,7 +4057,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "efb6c9a1dd1def8e2124d17e83a20af56f1570d6c2d2bd9e266ccb768df3840e"
 dependencies = [
  "anyhow",
- "itertools 0.10.5",
+ "itertools 0.11.0",
  "proc-macro2",
  "quote",
  "syn 2.0.47",
@@ -5521,9 +5549,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.36.0"
+version = "1.37.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61285f6515fa018fb2d1e46eb21223fff441ee8db5d0f1435e8ab4f5cdb80931"
+checksum = "1adbebffeca75fcfd058afa480fb6c0b81e165a0323f9c9d39c9697e37c46787"
 dependencies = [
  "backtrace",
  "bytes",
diff --git a/frontend/rust-lib/Cargo.toml b/frontend/rust-lib/Cargo.toml
index b4c507dd7f..b9dc4daba1 100644
--- a/frontend/rust-lib/Cargo.toml
+++ b/frontend/rust-lib/Cargo.toml
@@ -128,4 +128,5 @@ rocksdb = { git = "https://github.com/LucasXu0/rust-rocksdb", rev = "21cf4a23ec1
 # Run the script.add_workspace_members:
 # scripts/tool/update_client_api_rev.sh  new_rev_id
 # ⚠️⚠️⚠️️
-client-api = { git = " https://github.com/AppFlowy-IO/AppFlowy-Cloud", rev = "47e6f1e8" }
\ No newline at end of file
+client-api = { git = "https://github.com/AppFlowy-IO/AppFlowy-Cloud", rev = "47e6f1e8" }
+appflowy-cloud-billing-client = { git = "https://github.com/AppFlowy-IO/AppFlowy-Cloud-Billing-Client", rev = "b95d520d5c570c85cb5e0fd2980220deea41df2b" }
diff --git a/frontend/rust-lib/flowy-server/Cargo.toml b/frontend/rust-lib/flowy-server/Cargo.toml
index eb8cfde5b2..40798a1c15 100644
--- a/frontend/rust-lib/flowy-server/Cargo.toml
+++ b/frontend/rust-lib/flowy-server/Cargo.toml
@@ -37,6 +37,7 @@ flowy-user-pub = { workspace = true }
 flowy-folder-pub = { workspace = true }
 flowy-database-pub = { workspace = true }
 flowy-document-pub = { workspace = true }
+appflowy-cloud-billing-client = "0.1.0"
 flowy-error = { workspace = true, features = ["impl_from_serde", "impl_from_reqwest", "impl_from_url", "impl_from_appflowy_cloud"] }
 flowy-server-pub = { workspace = true }
 flowy-encrypt = { workspace = true }
@@ -49,7 +50,6 @@ lib-dispatch = { workspace = true }
 yrs.workspace = true
 rand = "0.8.5"
 
-
 [dependencies.client-api]
 version = "0.1.0"
 features = [
@@ -68,4 +68,4 @@ assert-json-diff = "2.0.2"
 serde_json.workspace = true
 
 [features]
-enable_supabase = ["collab-plugins/postgres_plugin"]
\ No newline at end of file
+enable_supabase = ["collab-plugins/postgres_plugin"]
diff --git a/frontend/rust-lib/flowy-user/src/entities/workspace.rs b/frontend/rust-lib/flowy-user/src/entities/workspace.rs
index cdbd928fe0..3a79c59779 100644
--- a/frontend/rust-lib/flowy-user/src/entities/workspace.rs
+++ b/frontend/rust-lib/flowy-user/src/entities/workspace.rs
@@ -197,3 +197,43 @@ pub struct ChangeWorkspaceIconPB {
   #[pb(index = 2)]
   pub new_icon: String,
 }
+
+#[derive(ProtoBuf, Default, Clone, Validate)]
+pub struct WorkspaceSubscriptionLinkPB {
+  #[pb(index = 1)]
+  #[validate(custom = "required_not_empty_str")]
+  pub workspace_id: String,
+
+  #[pb(index = 2)]
+  pub recurring_interval: RecurringIntervalPB,
+
+  #[pb(index = 3)]
+  pub workspace_subscription_plan: SubscriptionPlanPB,
+
+  #[pb(index = 4)]
+  pub success_url: String,
+}
+
+#[derive(ProtoBuf_Enum, Clone, Default)]
+pub enum RecurringIntervalPB {
+  #[default]
+  UndefinedRecurringInterval = 0,
+
+  Month = 1,
+  Year = 2,
+}
+
+#[derive(ProtoBuf_Enum, Clone, Default)]
+pub enum SubscriptionPlanPB {
+  #[default]
+  UndefinedSubscriptionPlan = 0,
+
+  Pro = 1,
+  Team = 2,
+}
+
+#[derive(Debug, ProtoBuf, Default, Clone)]
+pub struct PaymentLinkPB {
+  #[pb(index = 1)]
+  pub payment_link: String,
+}
diff --git a/frontend/rust-lib/flowy-user/src/event_handler.rs b/frontend/rust-lib/flowy-user/src/event_handler.rs
index 34389b8793..1a88a41188 100644
--- a/frontend/rust-lib/flowy-user/src/event_handler.rs
+++ b/frontend/rust-lib/flowy-user/src/event_handler.rs
@@ -774,3 +774,11 @@ pub async fn leave_workspace_handler(
   manager.leave_workspace(&workspace_id).await?;
   Ok(())
 }
+
+#[tracing::instrument(level = "debug", skip_all, err)]
+pub async fn workspace_subscription_link_handler(
+  data: AFPluginData<WorkspaceSubscriptionLinkPB>,
+  manager: AFPluginState<Weak<UserManager>>,
+) -> DataResult<PaymentLinkPB, FlowyError> {
+  todo!()
+}
diff --git a/frontend/rust-lib/flowy-user/src/event_map.rs b/frontend/rust-lib/flowy-user/src/event_map.rs
index 1c1530dbd5..1d7181b9ae 100644
--- a/frontend/rust-lib/flowy-user/src/event_map.rs
+++ b/frontend/rust-lib/flowy-user/src/event_map.rs
@@ -71,6 +71,8 @@ pub fn init(user_manager: Weak<UserManager>) -> AFPlugin {
     .event(UserEvent::InviteWorkspaceMember, invite_workspace_member_handler)
     .event(UserEvent::ListWorkspaceInvitations, list_workspace_invitations_handler)
     .event(UserEvent::AcceptWorkspaceInvitation, accept_workspace_invitations_handler)
+    // Billing
+    .event(UserEvent::WorkspaceSubscriptionLink, workspace_subscription_link_handler)
 }
 
 #[derive(Clone, Copy, PartialEq, Eq, Debug, Display, Hash, ProtoBuf_Enum, Flowy_Event)]
@@ -230,6 +232,9 @@ pub enum UserEvent {
 
   #[event(input = "MagicLinkSignInPB", output = "UserProfilePB")]
   MagicLinkSignIn = 50,
+
+  #[event(input = "WorkspaceSubscriptionLinkPB", output = "PaymentLinkPB")]
+  WorkspaceSubscriptionLink = 51,
 }
 
 pub trait UserStatusCallback: Send + Sync + 'static {