Description

Introduction

The Velocity API Development & System Integration course equips developers with the skills to design, implement, and manage APIs for seamless integration between Fiserv Velocity and external systems. Participants will learn how to create secure, scalable, and maintainable APIs while integrating with core banking systems, credit bureaus, compliance services, and other third-party applications to optimize loan origination and banking workflows.

Prerequisites

• Completion of Fiserv Velocity Developer Fundamentals or equivalent experience

• Proficiency in Java/.NET programming

• Knowledge of REST/SOAP APIs and web services

• Familiarity with workflow configuration and UI customization in Velocity

• Basic understanding of relational databases (SQL, Oracle, DB2)

Table of Contents

1. API Fundamentals in Velocity

1.1 Overview of Velocity API architecture
1.2 REST vs. SOAP services
1.3 Use cases for API integrations

2. Consuming Standard APIs

2.1 Accessing and using built-in Velocity APIs
2.2 Understanding endpoints and data structures
2.3 Authentication and authorization mechanisms

3. Custom API Development

3.1 Designing custom APIs for Velocity
3.2 Implementing business logic in API endpoints
3.3 Error handling and exception management

4. External System Integration

4.1 Connecting with core banking and payment systems
4.2 Integrating credit bureau and compliance services
4.3 Synchronizing data between systems

5. Data Transformation & Mapping

5.1 JSON and XML processing
5.2 Mapping external data to Velocity structures
5.3 Ensuring data integrity and consistency

6. Security and Compliance

6.1 Securing APIs using OAuth, JWT, and TLS
6.2 Role-based access and data protection
6.3 Regulatory compliance considerations

7. Testing and Debugging APIs

7.1 Using Postman and other testing tools
7.2 Unit and integration testing
7.3 Debugging API and integration issues

8. Performance Optimization

8.1 Optimizing API response times
8.2 Caching and throughput improvements
8.3 Monitoring system performance and scalability

9. Deployment & Lifecycle Management

9.1 Packaging and deploying APIs
9.2 Version control, rollback, and updates
9.3 Continuous monitoring and maintenance

10. Hands-On Project

10.1 Developing a custom API for loan application submission
10.2 Integrating Velocity with a mock credit bureau service
10.3 Testing, deploying, and validating in a sandbox environment

This course enables developers to build secure, efficient, and scalable APIs and integrations on the Velocity platform, allowing seamless communication with external systems. Participants will gain the skills to deliver robust, compliant, and high-performance solutions that enhance loan origination and banking workflows.