diff --git a/demo/c/cobra_demo_file.c b/demo/c/cobra_demo_file.c
index 2034356a..b03dec09 100644
--- a/demo/c/cobra_demo_file.c
+++ b/demo/c/cobra_demo_file.c
@@ -91,6 +91,12 @@ void print_usage(const char *program_name) {
     fprintf(stdout, "Usage: %s [-l LIBRARY_PATH -a ACCESS_KEY -w WAV_PATH]\n", program_name);
 }
 
+void print_error_message(char **message_stack, int32_t message_stack_depth) {
+    for (int32_t i = 0; i < message_stack_depth; i++) {
+        fprintf(stderr, "  [%d] %s\n", i, message_stack[i]);
+    }
+}
+
 int picovoice_main(int argc, char *argv[]) {
     const char *library_path = NULL;
     const char *access_key = NULL;
@@ -173,6 +179,18 @@ int picovoice_main(int argc, char *argv[]) {
         exit(1);
     }
 
+    pv_status_t (*pv_get_error_stack_func)(char ***, int32_t *) = load_symbol(cobra_library, "pv_get_error_stack");
+    if (!pv_get_error_stack_func) {
+        print_dl_error("failed to load 'pv_get_error_stack_func'");
+        exit(1);
+    }
+
+    void (*pv_free_error_stack_func)(char **) = load_symbol(cobra_library, "pv_free_error_stack");
+    if (!pv_free_error_stack_func) {
+        print_dl_error("failed to load 'pv_free_error_stack_func'");
+        exit(1);
+    }
+
     drwav f;
 
     if (!drwav_init_file(&f, wav_path, NULL)) {
@@ -201,10 +219,28 @@ int picovoice_main(int argc, char *argv[]) {
         exit(1);
     }
 
+    char **message_stack = NULL;
+    int32_t message_stack_depth = 0;
+    pv_status_t error_status = PV_STATUS_RUNTIME_ERROR;
+
     pv_cobra_t *cobra = NULL;
     pv_status_t status = pv_cobra_init_func(access_key, &cobra);
     if (status != PV_STATUS_SUCCESS) {
         fprintf(stderr, "failed to init with '%s'", pv_status_to_string_func(status));
+        error_status = pv_get_error_stack_func(&message_stack, &message_stack_depth);
+        if (error_status != PV_STATUS_SUCCESS) {
+            fprintf(stderr, ".\nUnable to get Cobra error state with '%s'.\n", pv_status_to_string_func(error_status));
+            exit(1);
+        }
+
+        if (message_stack_depth > 0) {
+            fprintf(stderr, ":\n");
+            print_error_message(message_stack, message_stack_depth);
+            pv_free_error_stack_func(message_stack);
+        } else {
+            fprintf(stderr, ".\n");
+        }
+
         exit(1);
     }
 
@@ -221,7 +257,21 @@ int picovoice_main(int argc, char *argv[]) {
         float is_voiced = 0.f;
         status = pv_cobra_process_func(cobra, pcm, &is_voiced);
         if (status != PV_STATUS_SUCCESS) {
-            fprintf(stderr, "failed to init with '%s'", pv_status_to_string_func(status));
+            fprintf(stderr, "failed to process with '%s'", pv_status_to_string_func(status));
+            error_status = pv_get_error_stack_func(&message_stack, &message_stack_depth);
+            if (error_status != PV_STATUS_SUCCESS) {
+                fprintf(stderr, ".\nUnable to get Cobra error state with '%s'.\n", pv_status_to_string_func(error_status));
+                exit(1);
+            }
+
+            if (message_stack_depth > 0) {
+                fprintf(stderr, ":\n");
+                print_error_message(message_stack, message_stack_depth);
+                pv_free_error_stack_func(message_stack);
+            } else {
+                fprintf(stderr, ".\n");
+            }
+
             exit(1);
         }
         fprintf(stdout, "%.2f ", is_voiced);
diff --git a/demo/c/cobra_demo_mic.c b/demo/c/cobra_demo_mic.c
index e5ddd769..68231bb0 100644
--- a/demo/c/cobra_demo_mic.c
+++ b/demo/c/cobra_demo_mic.c
@@ -133,6 +133,12 @@ static void print_analog(float is_voiced) {
     fflush(stdout);
 }
 
+void print_error_message(char **message_stack, int32_t message_stack_depth) {
+    for (int32_t i = 0; i < message_stack_depth; i++) {
+        fprintf(stderr, "  [%d] %s\n", i, message_stack[i]);
+    }
+}
+
 int picovoice_main(int argc, char *argv[]) {
     signal(SIGINT, interrupt_handler);
 
@@ -220,10 +226,40 @@ int picovoice_main(int argc, char *argv[]) {
         exit(1);
     }
 
+    pv_status_t (*pv_get_error_stack_func)(char ***, int32_t *) = load_symbol(cobra_library, "pv_get_error_stack");
+    if (!pv_get_error_stack_func) {
+        print_dl_error("failed to load 'pv_get_error_stack_func'");
+        exit(1);
+    }
+
+    void (*pv_free_error_stack_func)(char **) = load_symbol(cobra_library, "pv_free_error_stack");
+    if (!pv_free_error_stack_func) {
+        print_dl_error("failed to load 'pv_free_error_stack_func'");
+        exit(1);
+    }
+
+    char **message_stack = NULL;
+    int32_t message_stack_depth = 0;
+    pv_status_t error_status = PV_STATUS_RUNTIME_ERROR;
+
     pv_cobra_t *cobra = NULL;
     pv_status_t cobra_status = pv_cobra_init_func(access_key, &cobra);
     if (cobra_status != PV_STATUS_SUCCESS) {
         fprintf(stderr, "failed to init with '%s'", pv_status_to_string_func(cobra_status));
+        error_status = pv_get_error_stack_func(&message_stack, &message_stack_depth);
+        if (error_status != PV_STATUS_SUCCESS) {
+            fprintf(stderr, ".\nUnable to get Cobra error state with '%s'.\n", pv_status_to_string_func(error_status));
+            exit(1);
+        }
+
+        if (message_stack_depth > 0) {
+            fprintf(stderr, ":\n");
+            print_error_message(message_stack, message_stack_depth);
+            pv_free_error_stack_func(message_stack);
+        } else {
+            fprintf(stderr, ".\n");
+        }
+
         exit(1);
     }
 
@@ -265,6 +301,20 @@ int picovoice_main(int argc, char *argv[]) {
         cobra_status = pv_cobra_process_func(cobra, pcm, &is_voiced);
         if (cobra_status != PV_STATUS_SUCCESS) {
             fprintf(stderr, "'pv_cobra_process' failed with '%s'\n", pv_status_to_string_func(cobra_status));
+            error_status = pv_get_error_stack_func(&message_stack, &message_stack_depth);
+            if (error_status != PV_STATUS_SUCCESS) {
+                fprintf(stderr, ".\nUnable to get Cobra error state with '%s'.\n", pv_status_to_string_func(error_status));
+                exit(1);
+            }
+
+            if (message_stack_depth > 0) {
+                fprintf(stderr, ":\n");
+                print_error_message(message_stack, message_stack_depth);
+                pv_free_error_stack_func(message_stack);
+            } else {
+                fprintf(stderr, ".\n");
+            }
+
             exit(1);
         }