diff --git a/README.md b/README.md
index 17c2b56..9cc76d6 100644
--- a/README.md
+++ b/README.md
@@ -135,8 +135,8 @@ Additional security features:
 The node assumes the following ZapSign API structure:
 
 ```
-Base URL: https://api.zapsign.co (Production)
-         https://sandbox.api.zapsign.co (Sandbox)
+Base URL: https://api.zapsign.com.br/ (Production)
+         https://sandbox.api.zapsign.com.br/ (Sandbox)
 
 Documents:
 - POST /v1/documents - Create document
diff --git a/credentials/ZapSignApi.credentials.ts b/credentials/ZapSignApi.credentials.ts
index 57acb0c..cfb04a5 100644
--- a/credentials/ZapSignApi.credentials.ts
+++ b/credentials/ZapSignApi.credentials.ts
@@ -53,7 +53,7 @@ export class ZapSignApi implements ICredentialType {
 
 	test: ICredentialTestRequest = {
 		request: {
-			baseURL: '={{$credentials.environment === "sandbox" ? "https://sandbox.api.zapsign.co" : "https://api.zapsign.co"}}',
+			baseURL: '={{$credentials.environment === "sandbox" ? "https://sandbox.api.zapsign.com.br/" : "https://api.zapsign.com.br/"}}',
 			url: '/v1/me',
 			method: 'GET',
 		},
diff --git a/nodes/ZapSignTrigger/ZapSignTrigger.node.ts b/nodes/ZapSignTrigger/ZapSignTrigger.node.ts
index 99de063..ef63bf4 100644
--- a/nodes/ZapSignTrigger/ZapSignTrigger.node.ts
+++ b/nodes/ZapSignTrigger/ZapSignTrigger.node.ts
@@ -137,8 +137,8 @@ export class ZapSignTrigger implements INodeType {
 
 				const credentials = await this.getCredentials('zapSignApi');
 				const baseUrl = credentials.environment === 'sandbox' 
-					? 'https://sandbox.api.zapsign.co' 
-					: 'https://api.zapsign.co';
+					? 'https://sandbox.api.zapsign.com.br/' 
+					: 'https://api.zapsign.com.br/';
 
 				try {
 					const response = await this.helpers.request({
@@ -171,8 +171,8 @@ export class ZapSignTrigger implements INodeType {
 
 				const credentials = await this.getCredentials('zapSignApi');
 				const baseUrl = credentials.environment === 'sandbox' 
-					? 'https://sandbox.api.zapsign.co' 
-					: 'https://api.zapsign.co';
+					? 'https://sandbox.api.zapsign.com.br/' 
+					: 'https://api.zapsign.com.br/';
 
 				const body = {
 					url: webhookUrl,
@@ -209,8 +209,8 @@ export class ZapSignTrigger implements INodeType {
 				if (webhookData.webhookId !== undefined) {
 					const credentials = await this.getCredentials('zapSignApi');
 					const baseUrl = credentials.environment === 'sandbox' 
-						? 'https://sandbox.api.zapsign.co' 
-						: 'https://api.zapsign.co';
+						? 'https://sandbox.api.zapsign.com.br/' 
+						: 'https://api.zapsign.com.br/';
 
 					try {
 						await this.helpers.request({