diff --git a/packages/api-provider/src/http/state.js b/packages/api-provider/src/http/state.js
index d308696c11c1..4b7c92bf79ee 100644
--- a/packages/api-provider/src/http/state.js
+++ b/packages/api-provider/src/http/state.js
@@ -11,7 +11,7 @@ const l = require('@polkadot/util/logger')('api-http');
 const coder = require('../coder/json');
 
 module.exports = function state (endpoint: string): HttpState {
-  assert(/^http:\/\//.test(endpoint), `Endpoint should start with 'http://', received '${endpoint}'`);
+  assert(/^(https|http):\/\//.test(endpoint), `Endpoint should start with 'http://', received '${endpoint}'`);
 
   return {
     coder: coder(),
diff --git a/packages/api-provider/src/http/state.spec.js b/packages/api-provider/src/http/state.spec.js
index c9b201e62df2..6a50acb1e612 100644
--- a/packages/api-provider/src/http/state.spec.js
+++ b/packages/api-provider/src/http/state.spec.js
@@ -10,4 +10,10 @@ describe('state', () => {
       () => state('ws://')
     ).toThrow(/with 'http/);
   });
+
+  it('allows https:// endpoints', () => {
+    expect(
+      state('https://')
+    ).toBeDefined();
+  });
 });
diff --git a/packages/api-provider/src/ws/state.js b/packages/api-provider/src/ws/state.js
index 9b6a34146229..c93ce0c6ddcf 100644
--- a/packages/api-provider/src/ws/state.js
+++ b/packages/api-provider/src/ws/state.js
@@ -12,7 +12,7 @@ const l = require('@polkadot/util/logger')('api-ws');
 const coder = require('../coder/json');
 
 module.exports = function state (endpoint: string, autoConnect: boolean): $Shape<WsState> {
-  assert(/^ws:\/\//.test(endpoint), `Endpoint should start with 'ws://', received '${endpoint}'`);
+  assert(/^(wss|ws):\/\//.test(endpoint), `Endpoint should start with 'ws://', received '${endpoint}'`);
 
   return {
     autoConnect,
diff --git a/packages/api-provider/src/ws/state.spec.js b/packages/api-provider/src/ws/state.spec.js
index cfee5e4bff65..7372734d15f5 100644
--- a/packages/api-provider/src/ws/state.spec.js
+++ b/packages/api-provider/src/ws/state.spec.js
@@ -10,4 +10,10 @@ describe('state', () => {
       () => state('http://')
     ).toThrow(/with 'ws/);
   });
+
+  it('allows wss:// endpoints', () => {
+    expect(
+      state('wss://')
+    ).toBeDefined();
+  });
 });