diff --git a/examples/pix_cob/consultar_cobranca.py b/examples/pix_cob/consultar_cobranca.py
index 93732998..5c1498af 100644
--- a/examples/pix_cob/consultar_cobranca.py
+++ b/examples/pix_cob/consultar_cobranca.py
@@ -4,11 +4,9 @@
 
 from bb_wrapper.wrapper import PIXCobBBWrapper
 
-c = PIXCobBBWrapper(
-    cert=("./certs/cert.pem", "./certs/key.pem")
-)
+c = PIXCobBBWrapper(cert=("./certs/cert.pem", "./certs/key.pem"))
 
-txid = '6lEZLwT4o1fjmg1BVW3KeIPLc0'
+txid = "6lEZLwT4o1fjmg1BVW3KeIPLc0"
 
 response = c.consultar_cobranca(txid)
 
diff --git "a/examples/pix_cob/criar_cobran\303\247a_cpf.py" "b/examples/pix_cob/criar_cobran\303\247a_cpf.py"
index adf6e026..c0bc6d97 100644
--- "a/examples/pix_cob/criar_cobran\303\247a_cpf.py"
+++ "b/examples/pix_cob/criar_cobran\303\247a_cpf.py"
@@ -4,9 +4,7 @@
 
 from bb_wrapper.wrapper import PIXCobBBWrapper
 
-c = PIXCobBBWrapper(
-    cert=("./certs/cert.pem", "./certs/key.pem")
-)
+c = PIXCobBBWrapper(cert=("./certs/cert.pem", "./certs/key.pem"))
 
 data = {
     "expiracao": 60 * 60,  # 60 segundos = 1 minuto. 60 minutos = 1h
diff --git a/tests/wrapper/test_cobrancas.py b/tests/wrapper/test_cobrancas.py
index ad662192..38c632cc 100644
--- a/tests/wrapper/test_cobrancas.py
+++ b/tests/wrapper/test_cobrancas.py
@@ -250,7 +250,7 @@ def test_build_url(self):
 
         expected = (
             "https://api.sandbox.bb.com.br/cobrancas/v2/boletos"
-            f"?gw-dev-app-key={wrapper._BaseBBWrapper__gw_app_key}"
+            f"?gw-dev-app-key={wrapper._gw_app_key}"
         )
 
         self.assertEqual(result, expected)
diff --git a/tests/wrapper/test_pagamentos.py b/tests/wrapper/test_pagamentos.py
index 8278fcb4..f7184c76 100644
--- a/tests/wrapper/test_pagamentos.py
+++ b/tests/wrapper/test_pagamentos.py
@@ -32,7 +32,7 @@ def test_construct_url_1(self):
 
         expected = (
             f"https://api.sandbox.bb.com.br/pagamentos-lote/v1/"
-            f"?gw-dev-app-key={PagamentoLoteBBWrapper()._BaseBBWrapper__gw_app_key}"
+            f"?gw-dev-app-key={PagamentoLoteBBWrapper()._gw_app_key}"
         )
 
         self.assertEqual(expected, result)
@@ -53,7 +53,7 @@ def test_construct_url_prod(self):
 
         expected = (
             f"https://api-ip.bb.com.br/pagamentos-lote/v1/"
-            f"?gw-dev-app-key={PagamentoLoteBBWrapper()._BaseBBWrapper__gw_app_key}"
+            f"?gw-dev-app-key={PagamentoLoteBBWrapper()._gw_app_key}"
         )
 
         self.assertEqual(expected, result)
diff --git a/tests/wrapper/test_pix_cob.py b/tests/wrapper/test_pix_cob.py
index feebde6b..ad6cd122 100644
--- a/tests/wrapper/test_pix_cob.py
+++ b/tests/wrapper/test_pix_cob.py
@@ -172,7 +172,7 @@ def test_construct_url_1(self):
         """
         result = PIXCobBBWrapper()._construct_url(end_bar=True)
 
-        expected = "https://api-pix.hm.bb.com.br/pix/v2/?gw-dev-app-key=KEY"
+        expected = "https://api.hm.bb.com.br/pix/v2/?gw-dev-app-key=KEY"
 
         self.assertIn(expected, result)
 
@@ -188,7 +188,7 @@ def test_construct_url_2(self):
         """
         result = PIXCobBBWrapper()._construct_url(end_bar=False)
 
-        expected = "https://api-pix.hm.bb.com.br/pix/v2?gw-dev-app-key="
+        expected = "https://api.hm.bb.com.br/pix/v2?gw-dev-app-key="
         self.assertIn(expected, result)
 
     def test_consultar_cobranca_content_bizarro(self):