diff --git a/api/v1/clients/archive.php b/api/v1/clients/archive.php
new file mode 100644
index 00000000..ddf6ff8b
--- /dev/null
+++ b/api/v1/clients/archive.php
@@ -0,0 +1,44 @@
+<?php
+
+require_once '../validate_api_key.php';
+require_once '../require_post_method.php';
+
+// Default
+$update_count = false;
+
+if (!empty($client_id)) {
+
+    // Fetch client info
+    $row = mysqli_fetch_assoc(mysqli_query($mysqli, "
+        SELECT client_name
+        FROM clients
+        WHERE client_id = $client_id AND client_archived_at IS NULL
+        LIMIT 1
+    "));
+
+    if ($row) {
+
+        $client_name = sanitizeInput($row['client_name']);
+
+        // Stop recurring invoices
+        $sql_recurring_invoices = mysqli_query($mysqli, "SELECT * FROM recurring_invoices WHERE recurring_invoice_client_id = $client_id AND recurring_invoice_status = 1");
+        while ($row = mysqli_fetch_array($sql_recurring_invoices)) {
+            $recurring_invoice_id = intval($row['recurring_invoice_id']);
+            mysqli_query($mysqli,"UPDATE recurring_invoices SET recurring_invoice_status = 0 WHERE recurring_invoice_id = $recurring_invoice_id AND recurring_invoice_client_id = $client_id");
+            mysqli_query($mysqli,"INSERT INTO history SET history_status = 0, history_description = 'Recurring Invoice inactive as client archived', history_recurring_invoice_id = $recurring_invoice_id");
+        }
+
+        // Archive client
+        $update_sql = mysqli_query($mysqli, "UPDATE clients SET client_archived_at = NOW() WHERE client_id = $client_id");
+
+        if ($update_sql) {
+            $update_count = mysqli_affected_rows($mysqli);
+
+            // Logging
+            logAction("Contact", "Archive", "$client_name archived via API ($api_key_name)", $client_id);
+        }
+    }
+}
+
+// Output
+require_once '../update_output.php';
\ No newline at end of file
diff --git a/api/v1/clients/unarchive.php b/api/v1/clients/unarchive.php
new file mode 100644
index 00000000..2a0c38f5
--- /dev/null
+++ b/api/v1/clients/unarchive.php
@@ -0,0 +1,36 @@
+<?php
+
+require_once '../validate_api_key.php';
+require_once '../require_post_method.php';
+
+// Default
+$update_count = false;
+
+if (!empty($client_id)) {
+
+    // Fetch client info
+    $row = mysqli_fetch_assoc(mysqli_query($mysqli, "
+        SELECT client_name
+        FROM clients
+        WHERE client_id = $client_id AND client_archived_at IS NOT NULL
+        LIMIT 1
+    "));
+
+    if ($row) {
+
+        $client_name = sanitizeInput($row['client_name']);
+
+        // Un-archive client
+        $update_sql = mysqli_query($mysqli, "UPDATE clients SET client_archived_at = NULL WHERE client_id = $client_id");
+
+        if ($update_sql) {
+            $update_count = mysqli_affected_rows($mysqli);
+
+            // Logging
+            logAction("Contact", "Unarchive", "$client_name unarchived via API ($api_key_name)", $client_id);
+        }
+    }
+}
+
+// Output
+require_once '../update_output.php';
\ No newline at end of file