diff --git a/lib/types/crypto-types.js b/lib/types/crypto-types.js
--- a/lib/types/crypto-types.js
+++ b/lib/types/crypto-types.js
@@ -21,10 +21,30 @@
   },
 };
 
+export type SignedPrekeys = {
+  +contentPrekey: string,
+  +contentPrekeySignature: string,
+  +notifPrekey: string,
+  +notifPrekeySignature: string,
+};
+
+export const signedPrekeysValidator: TInterface<SignedPrekeys> =
+  tShape<SignedPrekeys>({
+    contentPrekey: t.String,
+    contentPrekeySignature: t.String,
+    notifPrekey: t.String,
+    notifPrekeySignature: t.String,
+  });
+
 export type OLMOneTimeKeys = {
   +curve25519: { +[string]: string },
 };
 
+export type OneTimeKeysResult = {
+  +contentOneTimeKeys: OLMOneTimeKeys,
+  +notificationsOneTimeKeys: OLMOneTimeKeys,
+};
+
 export type PickledOLMAccount = {
   +picklingKey: string,
   +pickledAccount: string,
diff --git a/lib/types/identity-service-types.js b/lib/types/identity-service-types.js
--- a/lib/types/identity-service-types.js
+++ b/lib/types/identity-service-types.js
@@ -5,6 +5,8 @@
 import {
   identityKeysBlobValidator,
   type IdentityKeysBlob,
+  signedPrekeysValidator,
+  type SignedPrekeys,
 } from './crypto-types.js';
 import {
   type OlmSessionInitializationInfo,
@@ -31,6 +33,20 @@
   +oneTimeNotifPrekey: ?string,
 };
 
+// This type should not be altered without also updating
+// InboundKeyInfoResponse in native/native_rust_library/src/lib.rs
+export type InboundKeyInfoResponse = {
+  +payload: string,
+  +payloadSignature: string,
+  +socialProof?: ?string,
+  +contentPrekey: string,
+  +contentPrekeySignature: string,
+  +notifPrekey: string,
+  +notifPrekeySignature: string,
+  +username?: ?string,
+  +walletAddress?: ?string,
+};
+
 export type DeviceOlmOutboundKeys = {
   +identityKeysBlob: IdentityKeysBlob,
   +contentInitializationInfo: OlmSessionInitializationInfo,
@@ -52,6 +68,33 @@
   +keys: ?DeviceOlmOutboundKeys,
 };
 
+export type DeviceOlmInboundKeys = {
+  +identityKeysBlob: IdentityKeysBlob,
+  +signedPrekeys: SignedPrekeys,
+  +payloadSignature: string,
+};
+export const deviceOlmInboundKeysValidator: TInterface<DeviceOlmInboundKeys> =
+  tShape<DeviceOlmInboundKeys>({
+    identityKeysBlob: identityKeysBlobValidator,
+    signedPrekeys: signedPrekeysValidator,
+    payloadSignature: t.String,
+  });
+
+export type UserDevicesOlmInboundKeys = {
+  +keys: {
+    +[deviceID: string]: ?DeviceOlmInboundKeys,
+  },
+  +username?: ?string,
+  +walletAddress?: ?string,
+};
+
+export const userDeviceOlmInboundKeysValidator: TInterface<UserDevicesOlmInboundKeys> =
+  tShape<UserDevicesOlmInboundKeys>({
+    keys: t.dict(t.String, t.maybe(deviceOlmInboundKeysValidator)),
+    username: t.maybe(t.String),
+    walletAddress: t.maybe(t.String),
+  });
+
 export interface IdentityServiceClient {
   +deleteUser: () => Promise<void>;
   +getKeyserverKeys: string => Promise<DeviceOlmOutboundKeys>;
@@ -85,20 +128,6 @@
   +commServicesAccessToken: string,
 };
 
-// This type should not be altered without also updating
-// InboundKeyInfoResponse in native/native_rust_library/src/lib.rs
-export type InboundKeyInfoResponse = {
-  +payload: string,
-  +payloadSignature: string,
-  +socialProof?: ?string,
-  +contentPrekey: string,
-  +contentPrekeySignature: string,
-  +notifPrekey: string,
-  +notifPrekeySignature: string,
-  +username?: ?string,
-  +walletAddress?: ?string,
-};
-
 export type IdentityAuthResult = {
   +userID: string,
   +accessToken: string,
diff --git a/native/schema/CommCoreModuleSchema.js b/native/schema/CommCoreModuleSchema.js
--- a/native/schema/CommCoreModuleSchema.js
+++ b/native/schema/CommCoreModuleSchema.js
@@ -10,7 +10,7 @@
 import type { ClientDBReportStoreOperation } from 'lib/ops/report-store-ops.js';
 import type { ClientDBThreadStoreOperation } from 'lib/ops/thread-store-ops.js';
 import type { ClientDBUserStoreOperation } from 'lib/ops/user-store-ops';
-import type { OLMOneTimeKeys } from 'lib/types/crypto-types';
+import type { OneTimeKeysResult, SignedPrekeys } from 'lib/types/crypto-types';
 import type { ClientDBDraftStoreOperation } from 'lib/types/draft-types.js';
 import type { ClientDBMessageInfo } from 'lib/types/message-types.js';
 import type { ClientDBStore } from 'lib/types/store-ops-types';
@@ -29,24 +29,12 @@
   +signature: string,
 };
 
-type SignedPrekeys = {
-  +contentPrekey: string,
-  +contentPrekeySignature: string,
-  +notifPrekey: string,
-  +notifPrekeySignature: string,
-};
-
 type CommServicesAuthMetadata = {
   +userID?: ?string,
   +deviceID?: ?string,
   +accessToken?: ?string,
 };
 
-type OneTimeKeysResult = {
-  contentOneTimeKeys: OLMOneTimeKeys,
-  notificationsOneTimeKeys: OLMOneTimeKeys,
-};
-
 interface Spec extends TurboModule {
   +getDraft: (key: string) => Promise<string>;
   +updateDraft: (key: string, text: string) => Promise<boolean>;