diff --git a/packages/interfaces/src/filter.ts b/packages/interfaces/src/filter.ts
new file mode 100644
index 0000000000..5e5736a94e
--- /dev/null
+++ b/packages/interfaces/src/filter.ts
@@ -0,0 +1,14 @@
+import type { DecodedMessage, Decoder } from "./message.js";
+import type {
+  Callback,
+  PointToPointProtocol,
+  ProtocolOptions,
+} from "./protocols.js";
+
+export interface Filter extends PointToPointProtocol {
+  subscribe: <T extends DecodedMessage>(
+    decoders: Decoder<T>[],
+    callback: Callback<T>,
+    opts?: ProtocolOptions
+  ) => Promise<() => Promise<void>>;
+}
diff --git a/packages/interfaces/src/index.ts b/packages/interfaces/src/index.ts
index b9598d6f6f..3e9c3f3948 100644
--- a/packages/interfaces/src/index.ts
+++ b/packages/interfaces/src/index.ts
@@ -1,247 +1,8 @@
-import type { GossipSub } from "@chainsafe/libp2p-gossipsub";
-import type { Stream } from "@libp2p/interface-connection";
-import type { ConnectionManager } from "@libp2p/interface-connection-manager";
-import type { PeerId } from "@libp2p/interface-peer-id";
-import type { Peer } from "@libp2p/interface-peer-store";
-import type { PeerStore } from "@libp2p/interface-peer-store";
-import type { Registrar } from "@libp2p/interface-registrar";
-import type { Multiaddr } from "@multiformats/multiaddr";
-import { ENR } from "@waku/enr";
-import type { Libp2p } from "libp2p";
-
-export enum Protocols {
-  Relay = "relay",
-  Store = "store",
-  LightPush = "lightpush",
-  Filter = "filter",
-  PeerExchange = "peer-exchange",
-}
-
-export interface PointToPointProtocol {
-  peerStore: PeerStore;
-  peers: () => Promise<Peer[]>;
-}
-export interface Index {
-  digest?: Uint8Array;
-  receivedTime?: bigint;
-  senderTime?: bigint;
-  pubsubTopic?: string;
-}
-
-export type ProtocolOptions = {
-  pubSubTopic?: string;
-  /**
-   * Optionally specify an PeerId for the protocol request. If not included, will use a random peer.
-   */
-  peerId?: PeerId;
-};
-
-export type Callback<T extends Message> = (msg: T) => void | Promise<void>;
-
-export interface Filter extends PointToPointProtocol {
-  subscribe: <T extends DecodedMessage>(
-    decoders: Decoder<T>[],
-    callback: Callback<T>,
-    opts?: ProtocolOptions
-  ) => Promise<() => Promise<void>>;
-}
-
-export interface LightPush extends PointToPointProtocol {
-  push: (
-    encoder: Encoder,
-    message: Message,
-    opts?: ProtocolOptions
-  ) => Promise<SendResult>;
-}
-
-export interface PeerExchange extends PointToPointProtocol {
-  query(
-    params: PeerExchangeQueryParams,
-    callback: (response: PeerExchangeResponse) => Promise<void> | void
-  ): Promise<void>;
-}
-
-export interface PeerExchangeQueryParams {
-  numPeers: number;
-}
-
-export interface PeerExchangeResponse {
-  peerInfos: PeerInfo[];
-}
-
-export interface PeerInfo {
-  ENR?: ENR;
-}
-
-export enum PageDirection {
-  BACKWARD = "backward",
-  FORWARD = "forward",
-}
-
-export interface TimeFilter {
-  startTime: Date;
-  endTime: Date;
-}
-
-export interface PeerExchangeComponents {
-  connectionManager: ConnectionManager;
-  peerStore: PeerStore;
-  registrar: Registrar;
-}
-export type Cursor = {
-  digest?: Uint8Array;
-  senderTime?: bigint;
-  pubsubTopic?: string;
-};
-
-export type StoreQueryOptions = {
-  /**
-   * The direction in which pages are retrieved:
-   * - { @link PageDirection.BACKWARD }: Most recent page first.
-   * - { @link PageDirection.FORWARD }: Oldest page first.
-   *
-   * Note: This does not affect the ordering of messages with the page
-   * (the oldest message is always first).
-   *
-   * @default { @link PageDirection.BACKWARD }
-   */
-  pageDirection?: PageDirection;
-  /**
-   * The number of message per page.
-   */
-  pageSize?: number;
-  /**
-   * Retrieve messages with a timestamp within the provided values.
-   */
-  timeFilter?: TimeFilter;
-  /**
-   * Cursor as an index to start a query from.
-   */
-  cursor?: Cursor;
-} & ProtocolOptions;
-
-export interface Store extends PointToPointProtocol {
-  queryOrderedCallback: <T extends DecodedMessage>(
-    decoders: Decoder<T>[],
-    callback: (message: T) => Promise<void | boolean> | boolean | void,
-    options?: StoreQueryOptions
-  ) => Promise<void>;
-  queryCallbackOnPromise: <T extends DecodedMessage>(
-    decoders: Decoder<T>[],
-    callback: (
-      message: Promise<T | undefined>
-    ) => Promise<void | boolean> | boolean | void,
-    options?: StoreQueryOptions
-  ) => Promise<void>;
-  queryGenerator: <T extends DecodedMessage>(
-    decoders: Decoder<T>[],
-    options?: StoreQueryOptions
-  ) => AsyncGenerator<Promise<T | undefined>[]>;
-}
-
-export interface Relay extends GossipSub {
-  send: (encoder: Encoder, message: Message) => Promise<SendResult>;
-  addObserver: <T extends DecodedMessage>(
-    decoder: Decoder<T>,
-    callback: Callback<T>
-  ) => () => void;
-  getMeshPeers: () => string[];
-}
-
-export interface Waku {
-  libp2p: Libp2p;
-  relay?: Relay;
-  store?: Store;
-  filter?: Filter;
-  lightPush?: LightPush;
-  peerExchange?: PeerExchange;
-
-  dial(peer: PeerId | Multiaddr, protocols?: Protocols[]): Promise<Stream>;
-
-  start(): Promise<void>;
-
-  stop(): Promise<void>;
-
-  isStarted(): boolean;
-}
-
-export interface WakuLight extends Waku {
-  relay: undefined;
-  store: Store;
-  filter: Filter;
-  lightPush: LightPush;
-  peerExchange: PeerExchange;
-}
-
-export interface WakuPrivacy extends Waku {
-  relay: Relay;
-  store: undefined;
-  filter: undefined;
-  lightPush: undefined;
-  peerExchange: undefined;
-}
-
-export interface WakuFull extends Waku {
-  relay: Relay;
-  store: Store;
-  filter: Filter;
-  lightPush: LightPush;
-  peerExchange: PeerExchange;
-}
-
-export interface RateLimitProof {
-  proof: Uint8Array;
-  merkleRoot: Uint8Array;
-  epoch: Uint8Array;
-  shareX: Uint8Array;
-  shareY: Uint8Array;
-  nullifier: Uint8Array;
-  rlnIdentifier: Uint8Array;
-}
-
-/**
- * Interface matching the protobuf library.
- * Field types matches the protobuf type over the wire
- */
-export interface ProtoMessage {
-  payload: Uint8Array | undefined;
-  contentTopic: string | undefined;
-  version: number | undefined;
-  timestamp: bigint | undefined;
-  rateLimitProof: RateLimitProof | undefined;
-  ephemeral: boolean | undefined;
-}
-
-/**
- * Interface for messages to encode and send.
- */
-export interface Message {
-  payload?: Uint8Array;
-  timestamp?: Date;
-  rateLimitProof?: RateLimitProof;
-}
-
-export interface Encoder {
-  contentTopic: string;
-  ephemeral: boolean;
-  toWire: (message: Message) => Promise<Uint8Array | undefined>;
-  toProtoObj: (message: Message) => Promise<ProtoMessage | undefined>;
-}
-
-export interface DecodedMessage {
-  payload: Uint8Array | undefined;
-  contentTopic: string | undefined;
-  timestamp: Date | undefined;
-  rateLimitProof: RateLimitProof | undefined;
-  ephemeral: boolean | undefined;
-}
-
-export interface Decoder<T extends DecodedMessage> {
-  contentTopic: string;
-  fromWireToProtoObj: (bytes: Uint8Array) => Promise<ProtoMessage | undefined>;
-  fromProtoObj: (proto: ProtoMessage) => Promise<T | undefined>;
-}
-
-export interface SendResult {
-  recipients: PeerId[];
-}
+export * from "./filter.js";
+export * from "./light_push.js";
+export * from "./message.js";
+export * from "./peer_exchange.js";
+export * from "./protocols.js";
+export * from "./relay.js";
+export * from "./store.js";
+export * from "./waku.js";
diff --git a/packages/interfaces/src/light_push.ts b/packages/interfaces/src/light_push.ts
new file mode 100644
index 0000000000..7d63ce0023
--- /dev/null
+++ b/packages/interfaces/src/light_push.ts
@@ -0,0 +1,14 @@
+import type { Encoder, Message } from "./message.js";
+import type {
+  PointToPointProtocol,
+  ProtocolOptions,
+  SendResult,
+} from "./protocols.js";
+
+export interface LightPush extends PointToPointProtocol {
+  push: (
+    encoder: Encoder,
+    message: Message,
+    opts?: ProtocolOptions
+  ) => Promise<SendResult>;
+}
diff --git a/packages/interfaces/src/message.ts b/packages/interfaces/src/message.ts
new file mode 100644
index 0000000000..08f1ec6e33
--- /dev/null
+++ b/packages/interfaces/src/message.ts
@@ -0,0 +1,52 @@
+export interface RateLimitProof {
+  proof: Uint8Array;
+  merkleRoot: Uint8Array;
+  epoch: Uint8Array;
+  shareX: Uint8Array;
+  shareY: Uint8Array;
+  nullifier: Uint8Array;
+  rlnIdentifier: Uint8Array;
+}
+
+/**
+ * Interface matching the protobuf library.
+ * Field types matches the protobuf type over the wire
+ */
+export interface ProtoMessage {
+  payload: Uint8Array | undefined;
+  contentTopic: string | undefined;
+  version: number | undefined;
+  timestamp: bigint | undefined;
+  rateLimitProof: RateLimitProof | undefined;
+  ephemeral: boolean | undefined;
+}
+
+/**
+ * Interface for messages to encode and send.
+ */
+export interface Message {
+  payload?: Uint8Array;
+  timestamp?: Date;
+  rateLimitProof?: RateLimitProof;
+}
+
+export interface Encoder {
+  contentTopic: string;
+  ephemeral: boolean;
+  toWire: (message: Message) => Promise<Uint8Array | undefined>;
+  toProtoObj: (message: Message) => Promise<ProtoMessage | undefined>;
+}
+
+export interface DecodedMessage {
+  payload: Uint8Array | undefined;
+  contentTopic: string | undefined;
+  timestamp: Date | undefined;
+  rateLimitProof: RateLimitProof | undefined;
+  ephemeral: boolean | undefined;
+}
+
+export interface Decoder<T extends DecodedMessage> {
+  contentTopic: string;
+  fromWireToProtoObj: (bytes: Uint8Array) => Promise<ProtoMessage | undefined>;
+  fromProtoObj: (proto: ProtoMessage) => Promise<T | undefined>;
+}
diff --git a/packages/interfaces/src/peer_exchange.ts b/packages/interfaces/src/peer_exchange.ts
new file mode 100644
index 0000000000..05359e25da
--- /dev/null
+++ b/packages/interfaces/src/peer_exchange.ts
@@ -0,0 +1,31 @@
+import type { ConnectionManager } from "@libp2p/interface-connection-manager";
+import type { PeerStore } from "@libp2p/interface-peer-store";
+import type { Registrar } from "@libp2p/interface-registrar";
+import { ENR } from "@waku/enr";
+
+import { PointToPointProtocol } from "./protocols.js";
+
+export interface PeerExchange extends PointToPointProtocol {
+  query(
+    params: PeerExchangeQueryParams,
+    callback: (response: PeerExchangeResponse) => Promise<void> | void
+  ): Promise<void>;
+}
+
+export interface PeerExchangeQueryParams {
+  numPeers: number;
+}
+
+export interface PeerExchangeResponse {
+  peerInfos: PeerInfo[];
+}
+
+export interface PeerInfo {
+  ENR?: ENR;
+}
+
+export interface PeerExchangeComponents {
+  connectionManager: ConnectionManager;
+  peerStore: PeerStore;
+  registrar: Registrar;
+}
diff --git a/packages/interfaces/src/protocols.ts b/packages/interfaces/src/protocols.ts
new file mode 100644
index 0000000000..2e97985477
--- /dev/null
+++ b/packages/interfaces/src/protocols.ts
@@ -0,0 +1,31 @@
+import type { PeerId } from "@libp2p/interface-peer-id";
+import type { Peer, PeerStore } from "@libp2p/interface-peer-store";
+
+import type { Message } from "./message.js";
+
+export enum Protocols {
+  Relay = "relay",
+  Store = "store",
+  LightPush = "lightpush",
+  Filter = "filter",
+  PeerExchange = "peer-exchange",
+}
+
+export interface PointToPointProtocol {
+  peerStore: PeerStore;
+  peers: () => Promise<Peer[]>;
+}
+
+export type ProtocolOptions = {
+  pubSubTopic?: string;
+  /**
+   * Optionally specify an PeerId for the protocol request. If not included, will use a random peer.
+   */
+  peerId?: PeerId;
+};
+
+export type Callback<T extends Message> = (msg: T) => void | Promise<void>;
+
+export interface SendResult {
+  recipients: PeerId[];
+}
diff --git a/packages/interfaces/src/relay.ts b/packages/interfaces/src/relay.ts
new file mode 100644
index 0000000000..f1b33e3501
--- /dev/null
+++ b/packages/interfaces/src/relay.ts
@@ -0,0 +1,13 @@
+import type { GossipSub } from "@chainsafe/libp2p-gossipsub";
+
+import type { DecodedMessage, Decoder, Encoder, Message } from "./message.js";
+import type { Callback, SendResult } from "./protocols.js";
+
+export interface Relay extends GossipSub {
+  send: (encoder: Encoder, message: Message) => Promise<SendResult>;
+  addObserver: <T extends DecodedMessage>(
+    decoder: Decoder<T>,
+    callback: Callback<T>
+  ) => () => void;
+  getMeshPeers: () => string[];
+}
diff --git a/packages/interfaces/src/store.ts b/packages/interfaces/src/store.ts
new file mode 100644
index 0000000000..0eacd2dc90
--- /dev/null
+++ b/packages/interfaces/src/store.ts
@@ -0,0 +1,70 @@
+import type { DecodedMessage, Decoder } from "./message.js";
+import type { PointToPointProtocol, ProtocolOptions } from "./protocols.js";
+
+export enum PageDirection {
+  BACKWARD = "backward",
+  FORWARD = "forward",
+}
+
+export interface TimeFilter {
+  startTime: Date;
+  endTime: Date;
+}
+
+export interface Index {
+  digest?: Uint8Array;
+  receivedTime?: bigint;
+  senderTime?: bigint;
+  pubsubTopic?: string;
+}
+
+export type Cursor = {
+  digest?: Uint8Array;
+  senderTime?: bigint;
+  pubsubTopic?: string;
+};
+
+export type StoreQueryOptions = {
+  /**
+   * The direction in which pages are retrieved:
+   * - { @link PageDirection.BACKWARD }: Most recent page first.
+   * - { @link PageDirection.FORWARD }: Oldest page first.
+   *
+   * Note: This does not affect the ordering of messages with the page
+   * (the oldest message is always first).
+   *
+   * @default { @link PageDirection.BACKWARD }
+   */
+  pageDirection?: PageDirection;
+  /**
+   * The number of message per page.
+   */
+  pageSize?: number;
+  /**
+   * Retrieve messages with a timestamp within the provided values.
+   */
+  timeFilter?: TimeFilter;
+  /**
+   * Cursor as an index to start a query from.
+   */
+  cursor?: Cursor;
+} & ProtocolOptions;
+
+export interface Store extends PointToPointProtocol {
+  queryOrderedCallback: <T extends DecodedMessage>(
+    decoders: Decoder<T>[],
+    callback: (message: T) => Promise<void | boolean> | boolean | void,
+    options?: StoreQueryOptions
+  ) => Promise<void>;
+  queryCallbackOnPromise: <T extends DecodedMessage>(
+    decoders: Decoder<T>[],
+    callback: (
+      message: Promise<T | undefined>
+    ) => Promise<void | boolean> | boolean | void,
+    options?: StoreQueryOptions
+  ) => Promise<void>;
+  queryGenerator: <T extends DecodedMessage>(
+    decoders: Decoder<T>[],
+    options?: StoreQueryOptions
+  ) => AsyncGenerator<Promise<T | undefined>[]>;
+}
diff --git a/packages/interfaces/src/waku.ts b/packages/interfaces/src/waku.ts
new file mode 100644
index 0000000000..19e0e429ff
--- /dev/null
+++ b/packages/interfaces/src/waku.ts
@@ -0,0 +1,52 @@
+import type { Stream } from "@libp2p/interface-connection";
+import type { PeerId } from "@libp2p/interface-peer-id";
+import type { Multiaddr } from "@multiformats/multiaddr";
+import type { Libp2p } from "libp2p";
+
+import type { Filter } from "./filter.js";
+import type { LightPush } from "./light_push.js";
+import type { PeerExchange } from "./peer_exchange.js";
+import { Protocols } from "./protocols.js";
+import type { Relay } from "./relay.js";
+import type { Store } from "./store.js";
+
+export interface Waku {
+  libp2p: Libp2p;
+  relay?: Relay;
+  store?: Store;
+  filter?: Filter;
+  lightPush?: LightPush;
+  peerExchange?: PeerExchange;
+
+  dial(peer: PeerId | Multiaddr, protocols?: Protocols[]): Promise<Stream>;
+
+  start(): Promise<void>;
+
+  stop(): Promise<void>;
+
+  isStarted(): boolean;
+}
+
+export interface WakuLight extends Waku {
+  relay: undefined;
+  store: Store;
+  filter: Filter;
+  lightPush: LightPush;
+  peerExchange: PeerExchange;
+}
+
+export interface WakuPrivacy extends Waku {
+  relay: Relay;
+  store: undefined;
+  filter: undefined;
+  lightPush: undefined;
+  peerExchange: undefined;
+}
+
+export interface WakuFull extends Waku {
+  relay: Relay;
+  store: Store;
+  filter: Filter;
+  lightPush: LightPush;
+  peerExchange: PeerExchange;
+}