diff --git a/include/spdk/json.h b/include/spdk/json.h
index 4407cb127..9e589fc9a 100644
--- a/include/spdk/json.h
+++ b/include/spdk/json.h
@@ -209,6 +209,8 @@ struct spdk_json_write_ctx *spdk_json_write_begin(spdk_json_write_cb write_cb, v
 int spdk_json_write_end(struct spdk_json_write_ctx *w);
 int spdk_json_write_null(struct spdk_json_write_ctx *w);
 int spdk_json_write_bool(struct spdk_json_write_ctx *w, bool val);
+int spdk_json_write_uint8(struct spdk_json_write_ctx *w, uint8_t val);
+int spdk_json_write_uint16(struct spdk_json_write_ctx *w, uint16_t val);
 int spdk_json_write_int32(struct spdk_json_write_ctx *w, int32_t val);
 int spdk_json_write_uint32(struct spdk_json_write_ctx *w, uint32_t val);
 int spdk_json_write_int64(struct spdk_json_write_ctx *w, int64_t val);
@@ -260,12 +262,14 @@ int spdk_json_write_val_raw(struct spdk_json_write_ctx *w, const void *data, siz
 /* Utility functions */
 int spdk_json_write_named_null(struct spdk_json_write_ctx *w, const char *name);
 int spdk_json_write_named_bool(struct spdk_json_write_ctx *w, const char *name, bool val);
+int spdk_json_write_named_uint8(struct spdk_json_write_ctx *w, const char *name, uint8_t val);
+int spdk_json_write_named_uint16(struct spdk_json_write_ctx *w, const char *name, uint16_t val);
 int spdk_json_write_named_int32(struct spdk_json_write_ctx *w, const char *name, int32_t val);
 int spdk_json_write_named_uint32(struct spdk_json_write_ctx *w, const char *name, uint32_t val);
+int spdk_json_write_named_int64(struct spdk_json_write_ctx *w, const char *name, int64_t val);
 int spdk_json_write_named_uint64(struct spdk_json_write_ctx *w, const char *name, uint64_t val);
 int spdk_json_write_named_uint128(struct spdk_json_write_ctx *w, const char *name,
 				  uint64_t low_val, uint64_t high_val);
-int spdk_json_write_named_int64(struct spdk_json_write_ctx *w, const char *name, int64_t val);
 int spdk_json_write_named_string(struct spdk_json_write_ctx *w, const char *name, const char *val);
 int spdk_json_write_named_string_fmt(struct spdk_json_write_ctx *w, const char *name,
 				     const char *fmt, ...) __attribute__((__format__(__printf__, 3, 4)));
diff --git a/lib/json/json_write.c b/lib/json/json_write.c
index 8115cdf78..eb0a60459 100644
--- a/lib/json/json_write.c
+++ b/lib/json/json_write.c
@@ -217,6 +217,30 @@ spdk_json_write_bool(struct spdk_json_write_ctx *w, bool val)
 	}
 }
 
+int
+spdk_json_write_uint8(struct spdk_json_write_ctx *w, uint8_t val)
+{
+	char buf[32];
+	int count;
+
+	if (begin_value(w)) { return fail(w); }
+	count = snprintf(buf, sizeof(buf), "%" PRIu8, val);
+	if (count <= 0 || (size_t)count >= sizeof(buf)) { return fail(w); }
+	return emit(w, buf, count);
+}
+
+int
+spdk_json_write_uint16(struct spdk_json_write_ctx *w, uint16_t val)
+{
+	char buf[32];
+	int count;
+
+	if (begin_value(w)) { return fail(w); }
+	count = snprintf(buf, sizeof(buf), "%" PRIu16, val);
+	if (count <= 0 || (size_t)count >= sizeof(buf)) { return fail(w); }
+	return emit(w, buf, count);
+}
+
 int
 spdk_json_write_int32(struct spdk_json_write_ctx *w, int32_t val)
 {
@@ -650,6 +674,20 @@ int spdk_json_write_named_bool(struct spdk_json_write_ctx *w, const char *name,
 	return rc ? rc : spdk_json_write_bool(w, val);
 }
 
+int spdk_json_write_named_uint8(struct spdk_json_write_ctx *w, const char *name, uint8_t val)
+{
+	int rc = spdk_json_write_name(w, name);
+
+	return rc ? rc : spdk_json_write_uint8(w, val);
+}
+
+int spdk_json_write_named_uint16(struct spdk_json_write_ctx *w, const char *name, uint16_t val)
+{
+	int rc = spdk_json_write_name(w, name);
+
+	return rc ? rc : spdk_json_write_uint16(w, val);
+}
+
 int spdk_json_write_named_int32(struct spdk_json_write_ctx *w, const char *name, int32_t val)
 {
 	int rc = spdk_json_write_name(w, name);
@@ -664,13 +702,6 @@ int spdk_json_write_named_uint32(struct spdk_json_write_ctx *w, const char *name
 	return rc ? rc : spdk_json_write_uint32(w, val);
 }
 
-int spdk_json_write_named_uint64(struct spdk_json_write_ctx *w, const char *name, uint64_t val)
-{
-	int rc = spdk_json_write_name(w, name);
-
-	return rc ? rc : spdk_json_write_uint64(w, val);
-}
-
 int spdk_json_write_named_int64(struct spdk_json_write_ctx *w, const char *name, int64_t val)
 {
 	int rc = spdk_json_write_name(w, name);
@@ -678,6 +709,13 @@ int spdk_json_write_named_int64(struct spdk_json_write_ctx *w, const char *name,
 	return rc ? rc : spdk_json_write_int64(w, val);
 }
 
+int spdk_json_write_named_uint64(struct spdk_json_write_ctx *w, const char *name, uint64_t val)
+{
+	int rc = spdk_json_write_name(w, name);
+
+	return rc ? rc : spdk_json_write_uint64(w, val);
+}
+
 int spdk_json_write_named_string(struct spdk_json_write_ctx *w, const char *name, const char *val)
 {
 	int rc = spdk_json_write_name(w, name);
diff --git a/lib/json/spdk_json.map b/lib/json/spdk_json.map
index 9344506c2..5be4d147c 100644
--- a/lib/json/spdk_json.map
+++ b/lib/json/spdk_json.map
@@ -30,6 +30,8 @@
 	spdk_json_write_end;
 	spdk_json_write_null;
 	spdk_json_write_bool;
+	spdk_json_write_uint8;
+	spdk_json_write_uint16;
 	spdk_json_write_int32;
 	spdk_json_write_uint32;
 	spdk_json_write_int64;
@@ -52,10 +54,12 @@
 
 	spdk_json_write_named_null;
 	spdk_json_write_named_bool;
+	spdk_json_write_named_uint8;
+	spdk_json_write_named_uint16;
 	spdk_json_write_named_int32;
 	spdk_json_write_named_uint32;
-	spdk_json_write_named_uint64;
 	spdk_json_write_named_int64;
+	spdk_json_write_named_uint64;
 	spdk_json_write_named_uint128;
 	spdk_json_write_named_string;
 	spdk_json_write_named_string_fmt;