diff --git a/example/countvowels/std_main.go b/example/countvowels/std_main.go
index c3ffd47..24c37c2 100644
--- a/example/countvowels/std_main.go
+++ b/example/countvowels/std_main.go
@@ -32,7 +32,7 @@ type CountVowelsOuptut struct {
 //export count_vowels_typed
 func count_vowels_typed() int32 {
 	var input CountVowelsInput
-	if err := pdk.InputJson(&input); err != nil {
+	if err := pdk.InputJSON(&input); err != nil {
 		pdk.SetError(err)
 		return -1
 	}
@@ -44,7 +44,7 @@ func count_vowels_typed() int32 {
 //export count_vowels_json_output
 func count_vowels_json_output() int32 {
 	output := CountVowelsOuptut{Count: 42, Total: 2.1e7, Vowels: "aAeEiIoOuUyY"}
-	err := pdk.OutputJson(output)
+	err := pdk.OutputJSON(output)
 	if err != nil {
 		pdk.SetError(err)
 		return -1
diff --git a/example/countvowels/tiny_main.go b/example/countvowels/tiny_main.go
index cd47dbd..fd45ba6 100644
--- a/example/countvowels/tiny_main.go
+++ b/example/countvowels/tiny_main.go
@@ -22,7 +22,7 @@ type CountVowelsOuptut struct {
 //export count_vowels_typed
 func count_vowels_typed() int32 {
 	var input CountVowelsInput
-	if err := pdk.InputJson(&input); err != nil {
+	if err := pdk.InputJSON(&input); err != nil {
 		pdk.SetError(err)
 		return -1
 	}
@@ -34,7 +34,7 @@ func count_vowels_typed() int32 {
 //export count_vowels_json_output
 func count_vowels_json_output() int32 {
 	output := CountVowelsOuptut{Count: 42, Total: 2.1e7, Vowels: "aAeEiIoOuUyY"}
-	err := pdk.OutputJson(output)
+	err := pdk.OutputJSON(output)
 	if err != nil {
 		pdk.SetError(err)
 		return -1
diff --git a/extism_pdk.go b/extism_pdk.go
index 58e0172..7ff8794 100644
--- a/extism_pdk.go
+++ b/extism_pdk.go
@@ -77,16 +77,16 @@ func Input() []byte {
 	return loadInput()
 }
 
-func JsonFrom(offset uint64, v any) error {
+func JSONFrom(offset uint64, v any) error {
 	mem := FindMemory(offset)
 	return json.Unmarshal(mem.ReadBytes(), v)
 }
 
-func InputJson(v any) error {
+func InputJSON(v any) error {
 	return json.Unmarshal(Input(), v)
 }
 
-func OutputJson(v any) error {
+func OutputJSON(v any) error {
 	b, err := json.Marshal(v)
 	if err != nil {
 		return err