diff --git a/onnxruntime/core/session/onnxruntime_c_api.cc b/onnxruntime/core/session/onnxruntime_c_api.cc
index 40a1dcc656..e164a31c30 100644
--- a/onnxruntime/core/session/onnxruntime_c_api.cc
+++ b/onnxruntime/core/session/onnxruntime_c_api.cc
@@ -2296,9 +2296,23 @@ static constexpr OrtApi ort_api_1_to_9 = {
     &OrtApis::UnregisterAllocator,
 };
 
-// Assert to do a limited check to ensure Version 1 of OrtApi never changes (will detect an addition or deletion but not if they cancel out each other)
-// If this assert hits, read the above 'Rules on how to add a new Ort API version'
+// Asserts to do a some checks to ensure older Versions of the OrtApi never change (will detect an addition or deletion but not if they cancel out each other)
+// If any of these asserts hit, read the above 'Rules on how to add a new Ort API version'
 static_assert(offsetof(OrtApi, ReleaseCustomOpDomain) / sizeof(void*) == 101, "Size of version 1 API cannot change");
+static_assert(offsetof(OrtApi, ReleaseModelMetadata) / sizeof(void*) == 118, "Size of version 2 API cannot change");
+static_assert(offsetof(OrtApi, AddFreeDimensionOverrideByName) / sizeof(void*) == 124, "Size of version 3 API cannot change");
+static_assert(offsetof(OrtApi, ReleaseAvailableProviders) / sizeof(void*) == 126, "Size of version 4 API cannot change");
+static_assert(offsetof(OrtApi, SetGlobalSpinControl) / sizeof(void*) == 149, "Size of version 5 API cannot change");
+static_assert(offsetof(OrtApi, ReleaseArenaCfg) / sizeof(void*) == 157, "Size of version 6 API cannot change");
+static_assert(offsetof(OrtApi, GetCurrentGpuDeviceId) / sizeof(void*) == 161, "Size of version 7 API cannot change");
+static_assert(offsetof(OrtApi, CreateSessionFromArrayWithPrepackedWeightsContainer) / sizeof(void*) == 169, "Size of version 8 API cannot change");
+
+// So that nobody forgets to finish an API version, this check will serve as a reminder:
+static_assert(std::string_view(ORT_VERSION)=="1.8.1", "ORT_Version change detected, please follow below steps to ensure OrtApi is updated properly");
+// 1. Update the hardcoded version string in above static_assert to silence it
+// 2. If there were any APIs added to ort_api_1_to_9 above:
+//    a. Add the 'End of version #' markers (pattern above should be obvious)
+//    b. Add a static_assert in the directly above list of version sizes to ensure nobody adds any more functions to the just shipped API version
 
 ORT_API(const OrtApi*, OrtApis::GetApi, uint32_t version) {
   if (version >= 1 && version <= ORT_API_VERSION)