SDKs | Wells Fargo Developer Portal

Product Overview

Kickstart your integration journey with ease using our REST API SDKs. This page guides you through the essentials:

SDK Inventory

Our GitHub contains 2 main repositories:

The REST Client SDK : For use in server-side applications to provide access to REST APIs from your application.

Sends the request to Wells Fargo using an HTTP client

The REST Samples : They contain working code samples to demonstrate integration with REST APIs and are organized into categories and Industry specific examples.

The samples are completely independent and self-contained.

You can analyze them to get an understanding of how a particular method works, or you can use the snippets as a starting point for your own project.

Sandbox Integration

Access and interact with the sandbox environment directly using sample code. Make your first API call step-by-step and confirm functionality before moving to production.

No code - 3 configuration updates to use your own Merchant Credentials in the SDKs
Out of the box sample codes with standardized interface
Easy upgrades to newer versions of SDKs
Monthly updates to SDKs with new API features

Industry use cases

Restaurants & Retail
- Restaurant authorization examples : Java C# PHP Node.js Python Ruby
- Increment authorization for tip amount examples : Java C# PHP Node.js Python Ruby
- Card present payment examples : Java C# PHP Node.js Python Ruby
- Invoice generation examples : Java C# PHP Node.js Python Ruby
- Credit funds to a customer examples : Java C# PHP Node.js Python Ruby
Mass Transit
- Payments using customer token examples : Java C# PHP Node.js Python Ruby
- Digital Payments using Apple Pay examples : Java C# PHP Node.js Python Ruby
- Digital Payments using Google Pay examples : Java C# PHP Node.js Python Ruby
E-Commerce
- Payments using credit card examples : Java C# PHP Node.js Python Ruby
- Payments using echeck examples : Java C# PHP Node.js Python Ruby
- Partial Authorization examples : Java C# PHP Node.js Python Ruby
- Refund To Customer examples : Java C# PHP Node.js Python Ruby
- Fraud Protection using Payer Authentication : Java C# PHP Node.js Python Ruby
- Payments using customer token examples : Java C# PHP Node.js Python Ruby
And more!

Product Editions

Available in six popular languages:

Java (up to Java 19)
.NET (.NET Framework 4.6.1–4.8.1, .NET Core 3.1, .NET 5–7, .NET Standard 2.1)
PHP (8.0.0 and above)
Node.js (6.17.1 and above)
Python (3.6 and above)
Ruby (2.5.0 and above)

Recent Release: Message Level Encryption Support for REST APIs: SDK Sample code to show how to send encrypted API requests using the public key shared by Wells Fargo. Message Level Encryption allows APIs to communicate with server while helping to prevent uninvolved parties from understanding the stored information or understanding the communication. MLE can help address the threat of relying on TLS for message security.
Feature announcements on Developer Forum

Getting Started

Follow the steps to make your first test transaction using sample code

Pre-requisites: Upto and including Java 19

Step 1:

Sign up for Sandbox account here
Important: Save the keys displayed after sign up to use in the next step

Step 2:

Download the sample code in Java language from here
Update 3 configurations to run test transaction for your merchant in Configuration.java file
- Your test organizationId from the signup email should be used to update merchantId property here
- The keyId from Step 1 should be updated here
- The shared secret from Step 1 should be updated here
Run your first test transaction using SimpleAuthorizationInternet.java class

Step 3:

Create the Business Center Sandbox environment login credentials using the email received after successful sign up
After login, select Transaction Management from left navigation menu
Look up the transaction performed in Step 2
Validate your test transaction details and settle the transaction using the button on Transaction Details screen

Congratulations! You have successfully completed your first transaction on Sandbox Environment!

Follow the steps to make your first test transaction using sample code

Pre-requisites :

.NET Framework
- v4.6.1, v4.7.2, v4.8, v4.8.1
.NET Standard & .NET Core
- .NET Standard : v2.1
- .NET Core 3.1, .NET 5, .NET 6, .NET 7

Step 1:

Sign up for Sandbox account here
Important: Save the keys displayed after sign up to use in the next step

Step 2:

Download the sample code in .NET language from here
Update 3 configurations to run test transaction for your merchant in Configuration.cs file
- Your test organizationId from the signup email should be used to update merchantId property here
- The keyId from Step 1 should be updated here
- The shared secret from Step 1 should be updated here
Run your first test transaction using SimpleAuthorizationInternet.cs class

Step 3:

Create the Business Center Sandbox environment login credentials using the email received after successful sign up
After login, select Transaction Management from left navigation menu
Look up the transaction performed in Step 2
Validate your test transaction details and settle the transaction using the button on Transaction Details screen

Congratulations! You have successfully completed your first transaction on Sandbox Environment!

Follow the steps to make your first test transaction using sample code

Pre-requisites :

.Ruby version 2.5.0+

Step 1:

Sign up for Sandbox account here
Important: Save the keys displayed after sign up to use in the next step

Step 2:

Download the sample code in Ruby language from here
Update 3 configurations to run test transaction for your merchant in Configuration.rb file
- Your test organizationId from the signup email should be used to update merchantId property here
- The keyId from Step 1 should be updated here
- The shared secret from Step 1 should be updated here
Run your first test transaction using SimpleAuthorizationInternet.rb class

Step 3:

Create the Business Center Sandbox environment login credentials using the email received after successful sign up
After login, select Transaction Management from left navigation menu
Look up the transaction performed in Step 2
Validate your test transaction details and settle the transaction using the button on Transaction Details screen

Congratulations! You have successfully completed your first transaction on Sandbox Environment!

Follow the steps to make your first test transaction using sample code

Pre-requisites :

.PHP version 8.0.0+

Step 1:

Sign up for Sandbox account here
Important: Save the keys displayed after sign up to use in the next step

Step 2:

Download the sample code in PHP language from here
Update 3 configurations to run test transaction for your merchant in Configuration.php file
- Your test organizationId from the signup email should be used to update merchantId property here
- The keyId from Step 1 should be updated here
- The shared secret from Step 1 should be updated here
Run your first test transaction using SimpleAuthorizationInternet.php class

Step 3:

Create the Business Center Sandbox environment login credentials using the email received after successful sign up
After login, select Transaction Management from left navigation menu
Look up the transaction performed in Step 2
Validate your test transaction details and settle the transaction using the button on Transaction Details screen

Congratulations! You have successfully completed your first transaction on Sandbox Environment!

Follow the steps to make your first test transaction using sample code

Pre-requisites :

Python version 3.6+

Step 1:

Sign up for Sandbox account here
Important: Save the keys displayed after sign up to use in the next step

Step 2:

Download the sample code in Python language from here
Update 3 configurations to run test transaction for your merchant in Configuration.py file
- Your test organizationId from the signup email should be used to update merchantId property here
- The keyId from Step 1 should be updated here
- The shared secret from Step 1 should be updated here
Run your first test transaction using SimpleAuthorizationInternet.py class

Step 3:

Create the Business Center Sandbox environment login credentials using the email received after successful sign up
After login, select Transaction Management from left navigation menu
Look up the transaction performed in Step 2
Validate your test transaction details and settle the transaction using the button on Transaction Details screen

Congratulations! You have successfully completed your first transaction on Sandbox Environment!

Follow the steps to make your first test transaction using sample code

Pre-requisites :

Node.js version 6.17.1+

Step 1:

Sign up for Sandbox account here
Important: Save the keys displayed after sign up to use in the next step

Step 2:

Download the sample code in Node language from here
Update 3 configurations to run test transaction for your merchant in Configuration.js file
- Your test organizationId from the signup email should be used to update merchantId property here
- The keyId from Step 1 should be updated here
- The shared secret from Step 1 should be updated here
Run your first test transaction using SimpleAuthorizationInternet.js class

Step 3:

Create the Business Center Sandbox environment login credentials using the email received after successful sign up
After login, select Transaction Management from left navigation menu
Look up the transaction performed in Step 2
Validate your test transaction details and settle the transaction using the button on Transaction Details screen

Congratulations! You have successfully completed your first transaction on Sandbox Environment!