diff --git a/nx/include/switch/services/psc.h b/nx/include/switch/services/psc.h
index fadf5882..67e8df7c 100644
--- a/nx/include/switch/services/psc.h
+++ b/nx/include/switch/services/psc.h
@@ -101,3 +101,45 @@ Result pscPmModuleAcknowledge(PscPmModule *module, PscPmState state);
 Result pscPmModuleFinalize(PscPmModule *module);
 
 void   pscPmModuleClose(PscPmModule *module);
+
+/// Initialize ins:r.
+Result insrInitialize(void);
+
+/// Exit ins:r.
+void insrExit(void);
+
+/// Gets the Service object for the actual ins:r service session.
+Service* insrGetServiceSession(void);
+
+/**
+ * @brief Retrieves the last system tick the event corresponding to the ID was signaled at.
+ * @param[in] id Ins request ID (should be 0..4).
+ * @param[out] tick.
+ * @return Result code.
+ */
+Result insrGetLastTick(u32 id, u64 *tick);
+
+/**
+ * @brief Retrieves the event corresponding to the ID.
+ * @param[in] id Ins request ID (should be 0..4).
+ * @param[out] out.
+ * @return Result code.
+ */
+Result insrGetReadableEvent(u32 id, Event *out);
+
+/// Initialize ins:s.
+Result inssInitialize(void);
+
+/// Exit ins:s.
+void inssExit(void);
+
+/// Gets the Service object for the actual ins:s service session.
+Service* inssGetServiceSession(void);
+
+/**
+ * @brief Retrieves the event corresponding to the ID.
+ * @param[in] id Ins send ID (should be 0..11).
+ * @param[out] out.
+ * @return Result code.
+ */
+Result inssGetWritableEvent(u32 id, Event *out);
diff --git a/nx/source/services/psc.c b/nx/source/services/psc.c
index ec3332b6..7f4e807a 100644
--- a/nx/source/services/psc.c
+++ b/nx/source/services/psc.c
@@ -4,6 +4,9 @@
 
 static Service g_pscmSrv;
 
+static Service g_insrSrv;
+static Service g_inssSrv;
+
 NX_GENERATE_SERVICE_GUARD(pscm);
 
 Result _pscmInitialize(void) {
@@ -100,3 +103,74 @@ void pscPmModuleClose(PscPmModule *module) {
     serviceAssumeDomain(&module->srv);
     serviceClose(&module->srv);
 }
+
+NX_GENERATE_SERVICE_GUARD(insr);
+
+Result _insrInitialize(void) {
+    return smGetService(&g_insrSrv, "ins:r");
+}
+
+void _insrCleanup(void) {
+    serviceClose(&g_insrSrv);
+}
+
+Service* insrGetServiceSession(void) {
+    return &g_insrSrv;
+}
+
+Result insrGetLastTick(u32 id, u64 *tick) {
+    return serviceDispatchInOut(&g_insrSrv, 0, id, *tick);
+}
+
+Result insrGetReadableEvent(u32 id, Event *out) {
+    Handle tmp_handle;
+    struct {
+        u32 id;
+        u64 unk;
+    } in = { id, 0 };
+    Result rc = serviceDispatchIn(&g_insrSrv, 1, in,
+        .out_handle_attrs = { SfOutHandleAttr_HipcCopy },
+        .out_handles = &tmp_handle,
+    );
+
+    if (R_SUCCEEDED(rc))
+        eventLoadRemote(out, tmp_handle, false);
+
+    return rc;
+}
+
+NX_GENERATE_SERVICE_GUARD(inss);
+
+Result _inssInitialize(void) {
+    return smGetService(&g_inssSrv, "ins:s");
+}
+
+void _inssCleanup(void) {
+    serviceClose(&g_inssSrv);
+}
+
+Service* inssGetServiceSession(void) {
+    return &g_inssSrv;
+}
+
+Result inssGetWritableEvent(u32 id, Event *out) {
+    Handle tmp_handle;
+    struct {
+        u32 id;
+        u64 unk;
+    } in = { id, 0 };
+    Result rc = serviceDispatchIn(&g_inssSrv, 0, in,
+        .out_handle_attrs = { SfOutHandleAttr_HipcCopy },
+        .out_handles = &tmp_handle,
+    );
+
+    if (R_SUCCEEDED(rc)) {
+        *out = (Event){
+            .revent    = INVALID_HANDLE,
+            .wevent    = tmp_handle,
+            .autoclear = false,
+        };
+    }
+
+    return rc;
+}