diff --git a/tests/anoncreds_demos.rs b/tests/anoncreds_demos.rs
index 4ac6599a..a2ba50f2 100644
--- a/tests/anoncreds_demos.rs
+++ b/tests/anoncreds_demos.rs
@@ -3029,6 +3029,7 @@ fn anoncreds_demo_works_for_issue_w3c_credential_and_present_w3c_presentation()
     .expect("Error processing credential");
 
     // Store W3C credential form in wallet
+    println!("w3c_credential {}", json!(w3c_credential).to_string());
     prover_wallet.w3c_credentials.push(w3c_credential);
 
     // Create and Verify W3C presentation using W3C credential
@@ -3074,6 +3075,7 @@ fn anoncreds_demo_works_for_issue_w3c_credential_and_present_w3c_presentation()
         &cred_defs,
     )
     .expect("Error creating presentation");
+    println!("presentation {}", json!(presentation).to_string());
 
     // Verifier verifies presentation
     assert_eq!(
diff --git a/wrappers/javascript/packages/anoncreds-nodejs/src/NodeJSAnoncreds.ts b/wrappers/javascript/packages/anoncreds-nodejs/src/NodeJSAnoncreds.ts
index 0bf4bd01..a2725c11 100644
--- a/wrappers/javascript/packages/anoncreds-nodejs/src/NodeJSAnoncreds.ts
+++ b/wrappers/javascript/packages/anoncreds-nodejs/src/NodeJSAnoncreds.ts
@@ -687,7 +687,7 @@ export class NodeJSAnoncreds implements Anoncreds {
     revocationConfiguration?: NativeCredentialRevocationConfig
     encoding?: string
   }): ObjectHandle {
-    const { credentialDefinition, credentialDefinitionPrivate, credentialOffer, credentialRequest } =
+    const { credentialDefinition, credentialDefinitionPrivate, credentialOffer, credentialRequest, encoding } =
       serializeArguments(options)
 
     const attributeNames = StringListStruct({
@@ -722,7 +722,7 @@ export class NodeJSAnoncreds implements Anoncreds {
       attributeNames as unknown as Buffer,
       attributeRawValues as unknown as Buffer,
       revocationConfiguration?.ref().address() ?? 0,
-      options.encoding,
+      encoding,
       credentialPtr
     )
     this.handleError()
@@ -907,7 +907,7 @@ export class NodeJSAnoncreds implements Anoncreds {
     return Boolean(handleReturnPointer<number>(ret))
   }
 
-  public credentialToW3C(options: { objectHandle: ObjectHandle, credentialDefinition: ObjectHandle }): ObjectHandle {
+  public credentialToW3C(options: { objectHandle: ObjectHandle; credentialDefinition: ObjectHandle }): ObjectHandle {
     const { objectHandle, credentialDefinition } = serializeArguments(options)
 
     const ret = allocatePointer()
@@ -943,6 +943,20 @@ export class NodeJSAnoncreds implements Anoncreds {
     return new ObjectHandle(handleReturnPointer<number>(ret))
   }
 
+  public w3cCredentialAddNonAnonCredsIntegrityProof(options: {
+    objectHandle: ObjectHandle
+    proof: string
+  }): ObjectHandle {
+    const { objectHandle, proof } = serializeArguments(options)
+
+    const ret = allocatePointer()
+
+    this.nativeAnoncreds.anoncreds_w3c_credential_add_non_anoncreds_integrity_proof(objectHandle, proof, ret)
+    this.handleError()
+
+    return new ObjectHandle(handleReturnPointer<number>(ret))
+  }
+
   public w3cCredentialSetId(options: { objectHandle: ObjectHandle; id: string }): ObjectHandle {
     const { objectHandle, id } = serializeArguments(options)
 
diff --git a/wrappers/javascript/packages/anoncreds-react-native/src/NativeBindings.ts b/wrappers/javascript/packages/anoncreds-react-native/src/NativeBindings.ts
index 4bdd5692..60344f5c 100644
--- a/wrappers/javascript/packages/anoncreds-react-native/src/NativeBindings.ts
+++ b/wrappers/javascript/packages/anoncreds-react-native/src/NativeBindings.ts
@@ -237,7 +237,7 @@ export type NativeBindings = {
 
   w3cCredentialAddType(options: { objectHandle: number; type_: string }): ReturnObject<Handle>
 
-  credentialToW3C(options: { objectHandle: number, credentialDefinition: number }): ReturnObject<Handle>
+  credentialToW3C(options: { objectHandle: number; credentialDefinition: number }): ReturnObject<Handle>
 
   credentialFromW3C(options: { objectHandle: number }): ReturnObject<Handle>
 
diff --git a/wrappers/javascript/packages/anoncreds-react-native/src/ReactNativeAnoncreds.ts b/wrappers/javascript/packages/anoncreds-react-native/src/ReactNativeAnoncreds.ts
index 03204b61..8d55cf44 100644
--- a/wrappers/javascript/packages/anoncreds-react-native/src/ReactNativeAnoncreds.ts
+++ b/wrappers/javascript/packages/anoncreds-react-native/src/ReactNativeAnoncreds.ts
@@ -571,7 +571,7 @@ export class ReactNativeAnoncreds implements Anoncreds {
     return new ObjectHandle(handle)
   }
 
-  public credentialToW3C(options: { objectHandle: ObjectHandle, credentialDefinition: ObjectHandle }): ObjectHandle {
+  public credentialToW3C(options: { objectHandle: ObjectHandle; credentialDefinition: ObjectHandle }): ObjectHandle {
     const handle = this.handleError(this.anoncreds.credentialToW3C(serializeArguments(options)))
     return new ObjectHandle(handle)
   }
diff --git a/wrappers/javascript/packages/anoncreds-shared/src/Anoncreds.ts b/wrappers/javascript/packages/anoncreds-shared/src/Anoncreds.ts
index b83d2269..a8debf1b 100644
--- a/wrappers/javascript/packages/anoncreds-shared/src/Anoncreds.ts
+++ b/wrappers/javascript/packages/anoncreds-shared/src/Anoncreds.ts
@@ -280,7 +280,7 @@ export type Anoncreds = {
 
   w3cCredentialFromJson(options: { json: string }): ObjectHandle
 
-  credentialToW3C(options: { objectHandle: ObjectHandle, credentialDefinition: ObjectHandle }): ObjectHandle
+  credentialToW3C(options: { objectHandle: ObjectHandle; credentialDefinition: ObjectHandle }): ObjectHandle
 
   credentialFromW3C(options: { objectHandle: ObjectHandle }): ObjectHandle
 }
diff --git a/wrappers/javascript/packages/anoncreds-shared/src/api/Credential.ts b/wrappers/javascript/packages/anoncreds-shared/src/api/Credential.ts
index dee4f390..d118fc70 100644
--- a/wrappers/javascript/packages/anoncreds-shared/src/api/Credential.ts
+++ b/wrappers/javascript/packages/anoncreds-shared/src/api/Credential.ts
@@ -151,17 +151,17 @@ export class Credential extends AnoncredsObject {
     // Objects created within this method must be freed up
     const objectHandles: ObjectHandle[] = []
     try {
-        const credentialDefinition =
-          options.credentialDefinition instanceof CredentialDefinition
-            ? options.credentialDefinition.handle
-            : pushToArray(CredentialDefinition.fromJson(options.credentialDefinition).handle, objectHandles)
-
-        credential = new W3CCredential(
-          anoncreds.credentialToW3C({
-            objectHandle: this.handle,
-            credentialDefinition,
-          }).handle
-        )
+      const credentialDefinition =
+        options.credentialDefinition instanceof CredentialDefinition
+          ? options.credentialDefinition.handle
+          : pushToArray(CredentialDefinition.fromJson(options.credentialDefinition).handle, objectHandles)
+
+      credential = new W3CCredential(
+        anoncreds.credentialToW3C({
+          objectHandle: this.handle,
+          credentialDefinition
+        }).handle
+      )
     } finally {
       objectHandles.forEach((handle) => {
         handle.clear()
diff --git a/wrappers/javascript/packages/anoncreds-shared/src/api/W3CCredential.ts b/wrappers/javascript/packages/anoncreds-shared/src/api/W3CCredential.ts
index ab35df15..bd974bae 100644
--- a/wrappers/javascript/packages/anoncreds-shared/src/api/W3CCredential.ts
+++ b/wrappers/javascript/packages/anoncreds-shared/src/api/W3CCredential.ts
@@ -160,17 +160,17 @@ export class W3CCredential extends AnoncredsObject {
     // Objects created within this method must be freed up
     const objectHandles: ObjectHandle[] = []
     try {
-        const credentialDefinition =
-          options.credentialDefinition instanceof CredentialDefinition
-            ? options.credentialDefinition.handle
-            : pushToArray(CredentialDefinition.fromJson(options.credentialDefinition).handle, objectHandles)
-
-        credential = new W3CCredential(
-          anoncreds.credentialToW3C({
-            objectHandle: options.credential.handle,
-            credentialDefinition,
-          }).handle
-        )
+      const credentialDefinition =
+        options.credentialDefinition instanceof CredentialDefinition
+          ? options.credentialDefinition.handle
+          : pushToArray(CredentialDefinition.fromJson(options.credentialDefinition).handle, objectHandles)
+
+      credential = new W3CCredential(
+        anoncreds.credentialToW3C({
+          objectHandle: options.credential.handle,
+          credentialDefinition
+        }).handle
+      )
     } finally {
       objectHandles.forEach((handle) => {
         handle.clear()