diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4bd9447..7c58651 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 All notable changes to the Sharpy smart contract are documented here.
 
 ## [Unreleased]
+- feat: archival — archive and restore invoices — Adds archive_invoice and is_archived query, creator-only, 3 
 - feat: approval flow — multi-approver workflow — feat/approval-flow
 - feat: invoice templates — reusable invoice configs — Adds InvoiceTemplate struct and create/get_template function
 - feat: recurring pause — pause/resume recurring chain — Adds pause_recurring / resume_recurring and is_recurring_pau
diff --git a/README.md b/README.md
index 2726723..e5d63db 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ![Soroban](https://img.shields.io/badge/Soroban-Protocol%2027-6C63FF?logo=stellar)
 ![Rust](https://img.shields.io/badge/Rust-stable-orange?logo=rust)
-![Tests](https://img.shields.io/badge/tests-162%20passing-00D4AA)
+![Tests](https://img.shields.io/badge/tests-165%20passing-00D4AA)
 ![License](https://img.shields.io/badge/license-MIT-green)
 ![Version](https://img.shields.io/badge/version-0.2.0-6C63FF)
 [![Demo](https://img.shields.io/badge/Demo-Watch%20on%20Loom-00D4AA?logo=loom)](https://www.loom.com/share/09aa4a78e0c944dcab866a7036fde24d)
@@ -85,6 +85,7 @@ graph TD
 - **Freeze control** — `freeze_invoice()`/`unfreeze_invoice()` admin blocks/re-enables `pay` (frozen field)
 - **Invoice notes** — `set_invoice_notes()`/`get_invoice_notes()` free-text `InvoiceNotes { text, updated_at }`
 - **Invoice tags**
+- **Archival** — `archive_invoice`/`unarchive_invoice`/`is_archived` terminal invoice archiving
 - **Approval flow** — `set_approval_config`/`approve_invoice`/`get_approval_state` multi-sig prep
 - **Invoice templates** — `create_template`/`get_template` reusable configs `InvoiceTemplate`
 - **Recurring pause** — `pause_recurring`/`resume_recurring`/`is_recurring_paused`
diff --git a/contracts/sharpy/src/events.rs b/contracts/sharpy/src/events.rs
index 504c93c..0d4450c 100644
--- a/contracts/sharpy/src/events.rs
+++ b/contracts/sharpy/src/events.rs
@@ -300,3 +300,10 @@ pub struct InvoiceApprovedEvent { pub invoice_id: u64, pub approver: Address }
 pub fn invoice_approved(env: &Env, invoice_id: u64, approver: &Address) {
     env.events().publish((symbol_short!("appr"),), InvoiceApprovedEvent { invoice_id, approver: approver.clone() });
 }
+
+#[contracttype]
+#[derive(Clone)]
+pub struct InvoiceArchivedEvent { pub invoice_id: u64, pub archiver: Address }
+pub fn invoice_archived(env: &Env, invoice_id: u64, archiver: &Address) {
+    env.events().publish((symbol_short!("arch"),), InvoiceArchivedEvent { invoice_id, archiver: archiver.clone() });
+}
diff --git a/contracts/sharpy/src/lib.rs b/contracts/sharpy/src/lib.rs
index 083c7b9..2fd761a 100644
--- a/contracts/sharpy/src/lib.rs
+++ b/contracts/sharpy/src/lib.rs
@@ -22,7 +22,7 @@ mod test;
 use soroban_sdk::{contract, contractimpl, symbol_short, token, Address, Bytes, Env, Map, String, Symbol, Vec};
 use types::{
     AuditEntry, CreateInvoiceParams, DisputeState, Invoice, InvoiceNotes, InvoiceOptions,
-    InvoicePayment, InvoiceStats, InvoiceStatus, InvoiceTags, InvoiceExtraMemo, Payment, InvoiceMetadata, DiscountConfig, RecurringPauseState, InvoiceTemplate, ApprovalState, SplitRule,
+    InvoicePayment, InvoiceStats, InvoiceStatus, InvoiceTags, InvoiceExtraMemo, Payment, InvoiceMetadata, DiscountConfig, RecurringPauseState, InvoiceTemplate, ApprovalState, ArchivalState, SplitRule,
     SubscriptionParams,
 };
 
@@ -42,6 +42,7 @@ fn account_balance_key(account: &Address, token: &Address) -> (Symbol, Address,
 }
 fn invoice_notes_key(id: u64) -> (Symbol, u64) { (symbol_short!("notes"), id) }
 fn invoice_tags_key(id: u64) -> (Symbol, u64) { (symbol_short!("itags"), id) }
+fn archival_key(id: u64) -> (Symbol, u64) { (symbol_short!("arch"), id) }
 fn approval_key(id: u64) -> (Symbol, u64) { (symbol_short!("appr"), id) }
 fn template_key(id: u64) -> (Symbol, u64) { (symbol_short!("tmpl"), id) } fn template_counter_key() -> Symbol { symbol_short!("tmpl_ctr") }
 fn recurring_pause_key(id: u64) -> (Symbol, u64) { (symbol_short!("rpause"), id) }
@@ -1145,6 +1146,29 @@ impl SharpyContract {
     pub fn get_approval_state(env: Env, invoice_id: u64) -> Option<ApprovalState> {
         env.storage().persistent().get(&approval_key(invoice_id))
     }
+
+    pub fn archive_invoice(env: Env, caller: Address, invoice_id: u64) {
+        caller.require_auth();
+        let invoice = load_invoice(&env, invoice_id);
+        assert!(invoice.creator == caller, "only creator can archive");
+        assert!(invoice.status != InvoiceStatus::Pending, "only terminal invoices can be archived");
+        let state = ArchivalState { archived: true, at: env.ledger().timestamp() };
+        env.storage().persistent().set(&archival_key(invoice_id), &state);
+        append_audit(&env, invoice_id, symbol_short!("arch"), &caller);
+        events::invoice_archived(&env, invoice_id, &caller);
+    }
+    pub fn is_archived(env: Env, invoice_id: u64) -> bool {
+        env.storage().persistent().get::<(Symbol,u64), ArchivalState>(&archival_key(invoice_id)).map(|s| s.archived).unwrap_or(false)
+    }
+    pub fn unarchive_invoice(env: Env, caller: Address, invoice_id: u64) {
+        caller.require_auth();
+        let invoice = load_invoice(&env, invoice_id);
+        assert!(invoice.creator == caller, "only creator can unarchive");
+        let state: ArchivalState = env.storage().persistent().get(&archival_key(invoice_id)).expect("not archived");
+        assert!(state.archived, "not archived");
+        env.storage().persistent().remove(&archival_key(invoice_id));
+        append_audit(&env, invoice_id, symbol_short!("unarch"), &caller);
+    }
 }
 
 /// Validates that a token address is not the zero address.
diff --git a/contracts/sharpy/src/test.rs b/contracts/sharpy/src/test.rs
index d1de91e..7244c14 100644
--- a/contracts/sharpy/src/test.rs
+++ b/contracts/sharpy/src/test.rs
@@ -3779,3 +3779,37 @@ mod test_approval {
     }
 }
 
+#[cfg(test)]
+mod test_archival {
+    use soroban_sdk::{testutils::Address as _, token, Address, Env, Vec};
+    use crate::SharpyContractClient;
+    fn setup() -> (Env, SharpyContractClient<'static>) { let env=Env::default(); env.mock_all_auths(); let cid=env.register(crate::SharpyContract, ()); let c=SharpyContractClient::new(&env,&cid); let a=Address::generate(&env); let t=Address::generate(&env); c.initialize(&a,&t); (env,c) }
+    fn no_rules(env: &Env) -> crate::types::InvoiceOptions { crate::types::InvoiceOptions{escrow_enabled:false, escrow_release_delay:None, split_rules:Vec::new(env), auto_resolve_rules:Vec::new(env), arbitrator:None} }
+    #[test] fn test_archive_and_unarchive() {
+        let (env, client)=setup(); let admin=Address::generate(&env); let tok=env.register_stellar_asset_contract(admin.clone()); let sac=token::StellarAssetClient::new(&env,&tok);
+        let creator=Address::generate(&env); let r=Address::generate(&env); let payer=Address::generate(&env);
+        sac.mint(&payer, &5000i128);
+        let dl=env.ledger().timestamp()+86400;
+        let id=client.create_invoice(&creator, &Vec::from_array(&env, [r]), &Vec::from_array(&env, [1000i128]), &Vec::from_array(&env, [tok.clone()]), &dl, &no_rules(&env));
+        client.pay(&payer, &id, &1000i128);
+        assert!(!client.is_archived(&id));
+        client.archive_invoice(&creator, &id); assert!(client.is_archived(&id));
+        client.unarchive_invoice(&creator, &id); assert!(!client.is_archived(&id));
+    }
+    #[test] #[should_panic(expected="only terminal invoices can be archived")] fn test_archive_pending_panics() {
+        let (env, client)=setup(); let creator=Address::generate(&env); let r=Address::generate(&env); let tok=Address::generate(&env); let dl=env.ledger().timestamp()+86400;
+        let id=client.create_invoice(&creator, &Vec::from_array(&env, [r]), &Vec::from_array(&env, [100i128]), &Vec::from_array(&env, [tok]), &dl, &no_rules(&env));
+        client.archive_invoice(&creator, &id);
+    }
+    #[test] #[should_panic(expected="only creator can archive")] fn test_archive_non_creator() {
+        let (env, client)=setup(); let admin=Address::generate(&env); let tok=env.register_stellar_asset_contract(admin.clone());
+        let sac=token::StellarAssetClient::new(&env,&tok);
+        let creator=Address::generate(&env); let stranger=Address::generate(&env); let r=Address::generate(&env); let payer=Address::generate(&env);
+        sac.mint(&payer, &5000i128);
+        let dl=env.ledger().timestamp()+86400;
+        let id=client.create_invoice(&creator, &Vec::from_array(&env, [r]), &Vec::from_array(&env, [1000i128]), &Vec::from_array(&env, [tok.clone()]), &dl, &no_rules(&env));
+        client.pay(&payer, &id, &1000i128);
+        client.archive_invoice(&stranger, &id);
+    }
+}
+
diff --git a/contracts/sharpy/src/types.rs b/contracts/sharpy/src/types.rs
index 473cf7c..b98eaaa 100644
--- a/contracts/sharpy/src/types.rs
+++ b/contracts/sharpy/src/types.rs
@@ -298,3 +298,8 @@ pub struct ApprovalState {
     pub approvers: soroban_sdk::Vec<Address>,
     pub required: u32,
 }
+
+/// Archival marker for invoices.
+#[contracttype]
+#[derive(Clone, Debug)]
+pub struct ArchivalState { pub archived: bool, pub at: u64 }