diff --git a/src/api.ts b/src/api.ts
index 3d4db725..e32b461d 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -17,6 +17,8 @@ import {
   FunctionCall,
   TokensObject,
   DelayedMessage,
+  Network,
+  AddNetwork,
 } from './models';
 
 import { UniqueArray, Address } from './utils';
@@ -1632,6 +1634,45 @@ export type ProviderApi<Addr = Address> = {
       message: DelayedMessage<Addr>;
     };
   };
+
+  /**
+   * Request user to add a new network.
+   * Shows an approval window to the user.
+   *
+   * ---
+   * Required permissions: `basic`
+   */
+  addNetwork: {
+    input: {
+      /**
+       * Network info
+       */
+      network: AddNetwork;
+      /**
+       * Whether to switch to the added network (false by default)
+       */
+      switchNetwork?: boolean;
+    };
+    output: {
+      network: Network | null
+    };
+  };
+
+  /**
+   * Request user to change selected network.
+   * Shows an approval window to the user.
+   *
+   * ---
+   * Required permissions: `basic`
+   */
+  changeNetwork: {
+    input: {
+      networkId: number;
+    };
+    output: {
+      network: Network | null;
+    };
+  };
 };
 
 /**
diff --git a/src/index.ts b/src/index.ts
index 491982d3..8661a4ba 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -26,6 +26,7 @@ import {
   parsePartialTokensObject,
   parseTransaction,
   serializeTokensObject,
+  Network,
 } from './models';
 import { Address, DelayedTransactions, getUniqueId } from './utils';
 import * as subscriber from './stream';
@@ -1040,6 +1041,32 @@ export class ProviderRpcClient {
     };
   }
 
+  /**
+   * Request user to add a new network.
+   * Shows an approval window to the user.
+   *
+   * ---
+   * Required permissions: `basic`
+   */
+  public async addNetwork(args: ProviderApiRequestParams<'addNetwork'>): Promise<ProviderApiResponse<'addNetwork'>> {
+    await this.ensureInitialized();
+    return await this._api.addNetwork(args);
+  }
+
+  /**
+   * Request user to change selected network.
+   * Shows an approval window to the user.
+   *
+   * ---
+   * Required permissions: `basic`
+   */
+  public async changeNetwork(
+    args: ProviderApiRequestParams<'changeNetwork'>,
+  ): Promise<ProviderApiResponse<'changeNetwork'>> {
+    await this.ensureInitialized();
+    return await this._api.changeNetwork(args);
+  }
+
   private _registerEventHandlers(provider: Provider) {
     const knownEvents: { [K in ProviderEvent]: (data: RawProviderEventData<K>) => ProviderEventData<K> } = {
       connected: data => data,
diff --git a/src/models.ts b/src/models.ts
index 0fa3cb50..a32df03d 100644
--- a/src/models.ts
+++ b/src/models.ts
@@ -312,6 +312,87 @@ export type EncryptedData = {
   nonce: string;
 };
 
+/* Network stuff */
+
+/**
+ * @category Models
+ */
+export type NetworkDescription = {
+  globalId: number;
+  capabilities: string;
+  signatureId: number | undefined;
+};
+
+/**
+ * @category Models
+ */
+export type NetworkConfig = {
+  symbol?: string;
+  explorerBaseUrl?: string;
+  tokensManifestUrl?: string;
+};
+
+/**
+ * @category Models
+ */
+export type GqlSocketParams = {
+  /**
+   * Path to graphql api endpoints
+   */
+  endpoints: string[]
+  /**
+   * Frequency of sync latency detection
+   */
+  latencyDetectionInterval: number
+  /**
+   * Maximum value for the endpoint's blockchain data sync latency
+   */
+  maxLatency: number
+  /**
+   * Gql node type
+   */
+  local: boolean
+};
+
+/**
+ * @category Models
+ */
+export type JrpcSocketParams = {
+  /**
+   * Path to jrpc api endpoint
+   */
+  endpoint: string
+};
+
+/**
+ * @category Models
+ */
+export type ProtoSocketParams = JrpcSocketParams & {};
+
+export type GqlConnection = { type: 'graphql', data: GqlSocketParams };
+export type JrpcConnection = { type: 'jrpc', data: JrpcSocketParams };
+export type ProtoConnection = { type: 'proto', data: ProtoSocketParams };
+
+/**
+ * @category Models
+ */
+export type Network = {
+  name: string;
+  description: NetworkDescription;
+  connection: GqlConnection | JrpcConnection | ProtoConnection | any;
+  config: NetworkConfig;
+};
+
+/**
+ * @category Models
+ */
+export type AddNetwork = {
+  name: string;
+  networkId: number;
+  connection: GqlConnection | JrpcConnection | ProtoConnection | any;
+  config?: NetworkConfig;
+};
+
 /* ABI stuff */
 
 /**