End to End Website API Development Project for Business
Analysts Diwakar Singh
Trang 2Project Name: Website API Development for
E-commerce Platform
Objective: The objective of this project was to develop
RESTful APIs to enhance the functionality of an
existing e-commerce platform by enabling third-party integrations, providing real-time inventory updates, user authentication, payment gateway integration,
and improving overall system performance and
scalability
Justification: The e-commerce platform needed to
expand its services by offering integrations to party services, allowing other websites and mobile
third-applications to use its functionality Additionally, the business sought to reduce the manual effort of
inventory updates, streamline payment processes, and enhance user experience through faster and more secure interactions
Business Problem: The existing platform was limited
in terms of integration with other systems, which
created operational bottlenecks Inventory updates were manual, leading to delays and inaccuracies in
Trang 3stock availability The payment gateway was outdated and didn’t support multiple vendors Additionally,
there was a lack of proper user authentication and
session management
AS-IS State:
• Manual inventory updates and checks
• Limited third-party integrations
• Outdated payment gateway system with high
• Secure RESTful APIs to allow third-party
integrations (e.g., mobile apps, other e-commerce sites)
Trang 4• Modernized payment gateway integration
supporting multiple vendors
• Real-time notifications to users for orders and inventory
• Robust user authentication and session
management with token-based authentication
Stakeholders:
• Product Owner: Responsible for ensuring the
business goals are met and signing off on API
functionalities
• Development Team: Backend API developers,
Frontend team integrating the APIs, and DevOps team for deployment
• Third-Party Vendors: External companies that
would use the API for integrating their services
• QA Team: Ensures the APIs work as expected and
meets the requirements
• Project Manager: Oversees the project timelines,
risks, and communication
Trang 5• Security Team: Ensures API security compliance
and data privacy
RACI Matrix:
Task Respon
sible
Acco untab
Produ
ct Owne
r
Development Team
Stakeholders
API Design
Development Team
API Architect
Busines
s Analyst
Stakeholders
API Integration
Testing
QA Team
QA Lead
Busines
s Analyst
Development Team Payment
Gateway
Integration
Development Team
API Architect
Security Team
Busines
s Analyst
Trang 6Inventory
Management
Automation
Development Team
Produ
ct Owne
r
Busines
s Analyst
Development Team
o Real-time updates and notifications
o API documentation for external developers
Trang 7o Enable real-time inventory updates via API
o Integrate secure, multi-vendor payment
gateway
o Provide APIs for third-party vendors to
connect and sell through the platform
o Implement user authentication with based security
o Latency of API calls should be under 300ms
o Security compliance with GDPR and PCI-DSS for handling payments
• API and Integration Requirements:
o RESTful APIs with JSON response format
Trang 8o API versioning to manage future updates
o Integrations with external payment systems like PayPal, Stripe
o Gradual rollout of new APIs in a sandbox
environment before going live
o Full documentation for third-party developers
to test API integrations
o A rollback plan in case of issues during API go-live
Data Dictionary:
Field
Name
Data Type Description
Trang 9management Timesta
• Risk 1: Integration issues with third-party
payment gateways could delay the project
o Mitigation: Early testing and sandbox
environment setups for third-party vendors
• Risk 2: Performance bottlenecks during peak
Trang 10o Mitigation: Use token-based authentication
and regularly audit the API for vulnerabilities
Dependencies:
• The availability of the external payment gateway
• Accurate product information from the inventory management team
• Security protocols from the security team
• The APIs must be backward-compatible with
existing system integrations
• The API development must be completed within 6 months to meet business timelines
Trang 11Assumptions:
• Third-party vendors will adhere to API
documentation without major changes required
• Sufficient resources are available for testing and development throughout the project lifecycle
Glossary:
• CRUD: Create, Read, Update, Delete – basic
operations for managing data
• OAuth 2.0: A standard protocol for user
authentication
• PCI-DSS: Payment Card Industry Data Security
Standard, for handling payment transactions
Key Contributions as a Business Analyst:
• Collaborated with stakeholders to define
business requirements, ensuring that the APIs met business objectives
Trang 12• Conducted requirement workshops with the
development team to break down business needs into functional and technical requirements
• Created detailed API documentation, including use cases, and user stories for external
developers and vendors
• Worked closely with the QA team to define test scenarios for API functionalities and assisted in the UAT process
• Supported the project manager in tracking the
progress and addressing risks, ensuring the
project stayed on schedule
• Facilitated discussions between the security team and developers to ensure that the API met
compliance and security standards
Trang 13BUSINESS CASE
Trang 14Business Case: Website API Development for commerce Platform
E-Project Sponsor: Head of Product Development
Prepared by: Radhika Joshi, Business Analyst
Date: October 2024
1 Executive Summary
The e-commerce industry is rapidly evolving, with increasing demand for third-party integrations and real-time services The current e-commerce platform has limited functionality for external integrations,
outdated inventory management, and an inefficient payment gateway, which limits its scalability The
Website API Development project aims to address
these challenges by developing RESTful APIs that will enhance system performance, improve user
experience, and facilitate seamless third-party
integrations This business case presents the
justification for investing in this project and outlines
Trang 15the anticipated benefits, costs, risks, and a high-level project timeline
2 Business Problem
Current Situation:
• Manual Inventory Updates: The platform’s stock
availability is updated manually, leading to
delayed and inaccurate inventory information
• Limited Third-Party Integrations: The current
system is closed and lacks the capability to
integrate with third-party vendors or external
systems
• Outdated Payment Gateway: The existing
payment system is slow, outdated, and unable to support multiple vendors, leading to customer dissatisfaction and lost sales
• Lack of Secure User Authentication: Current
user login and authentication mechanisms are not secure, increasing the risk of data breaches
Trang 16Business Impact:
• Reduced sales and customer churn due to
inaccurate product availability information
• Increased operational costs from manual
• Develop RESTful APIs to automate inventory
management and allow real-time updates
• Enable third-party integrations to allow external
vendors and systems to integrate seamlessly with the platform
• Upgrade the payment gateway to support
multi-vendor payments and enhance user satisfaction
• Implement OAuth 2.0 authentication to ensure
secure and scalable user authentication
Trang 17• Provide API documentation for third-party
developers to ensure smooth integration and
usability
4 Benefits
Tangible Benefits:
1 Increased Sales: Real-time inventory updates will
reduce stock discrepancies, leading to improved customer trust and higher sales
2 Improved Vendor Collaboration: APIs will enable
integration with third-party vendors, expanding the platform’s reach and revenue streams
3 Reduced Operational Costs: Automating
inventory management will save manual labor
costs and reduce operational inefficiencies
4 Enhanced Security: A secure authentication
system will reduce the risk of fraud and data
breaches, saving potential legal and regulatory costs
Trang 18Intangible Benefits:
1 Improved User Experience: Faster, secure
transactions and real-time notifications will lead
to higher customer satisfaction and loyalty
2 Scalability: The platform will become scalable
with APIs, supporting future growth and
technological advancements
3 Market Competitiveness: The platform will stay
competitive by offering modern integration
capabilities that other e-commerce platforms
already provide
5 Strategic Alignment
This project aligns with the company’s strategic goals
of expanding the e-commerce platform by introducing third-party integrations, reducing operational
overhead, and enhancing customer experience It
supports long-term growth by positioning the platform
as an industry leader capable of handling multi-vendor operations with a secure, scalable infrastructure
Trang 19No improvements to
revenue, customer satisfactio
n, or security
High security risk, increase
d operation
al costs, stagnatio
Ineffective
in solving key issues like
scalability, vendor
integration
Limited improvements, system will still
be outdated soon
Trang 20Higher initial developme
nt and implementation costs
Potential delays in third-party vendor onboardi
ng
Recommended Option:
The Develop New APIs option is recommended as it
addresses all the key business problems and aligns with the company’s growth strategy The initial
investment is justified by the long-term benefits of scalability, increased revenue, and improved
operational efficiency
Trang 217 Project Scope
In-Scope:
• Development of RESTful APIs for inventory
management, payment gateway, and user
authentication
• API documentation for third-party vendors
• Integration with payment gateway services such
as PayPal and Stripe
• Security measures for API requests, including OAuth 2.0 authentication
Trang 22(Weeks )
Initiation and
Planning 4
Project Charter, Stakeholder Engagement Plan
Requirement
s Gathering 6
Business Requirements Document, Functional Requirements
Trang 23• QA and Testing: $50,000
• Third-Party Integration Costs: $30,000
• Training and Documentation: $20,000
• Contingency: $25,000
Total Cost: $375,000
Expected ROI:
• Year 1: Increased sales by $500,000 due to
real-time inventory updates and third-party
integration
• Year 2: Continued growth from third-party
vendors and improved customer satisfaction with projected revenue growth of $750,000
10 Risk Management
Risk
Pro ba bili
ty
I m p a
ct
Mitigation
Trang 24Delays in
Third-Party
Integration
Mediu
m
Hig
h
Early vendor engagement, set
up sandbox environments for testing
Performanc
e
Bottlenecks
Mediu
m
Mediu
h
Regular API audits, OAuth 2.0 authentication, encryption of sensitive data
11 Conclusion and Recommendations
The Website API Development project is essential
for the company’s continued growth and
competitiveness in the e-commerce sector The
project will address critical business issues such as operational inefficiency, limited integrations, and
outdated security It will also provide a scalable and future-proof infrastructure for third-party integrations and improved customer satisfaction With a clear plan
Trang 25and tangible benefits, it is recommended that the project move forward for immediate initiation
Trang 26PROJECT SCOPE DOCUMENT
Trang 27integrations, real-time inventory updates, user
authentication, payment gateway integration, and
enhanced system performance and scalability The APIs will enable external developers and vendors to integrate with the platform seamlessly while ensuring security and system stability
Project Justification:
The current e-commerce platform suffers from limited third-party integration capabilities, manual inventory updates, outdated payment processing systems, and inadequate security This project is crucial for
modernizing the platform, automating processes, and
Trang 28enabling the integration of third-party vendors and
services, ultimately leading to increased sales, better customer experience, and reduced operational costs
Project Stakeholders:
• Project Sponsor: Head of Product Development
• Product Owner: Responsible for ensuring
business goals are met
• Business Analyst (BA): Responsible for gathering
and defining requirements
• API Development Team: Responsible for the
development of RESTful APIs
• QA Team: Ensures API testing and validation
• Third-Party Vendors: External partners
integrating with the platform
• Project Manager: Oversees timelines, risks, and
communication
• Security Team: Ensures compliance with security
standards
Trang 29AS-IS State:
• Inventory Management: Manual updates,
resulting in inaccurate stock information
• Third-Party Integration: Non-existent, limiting
platform expansion and collaboration with
external vendors
• Payment Processing: Outdated system that does
not support multi-vendor transactions, leading to slow and error-prone payment processing
• User Authentication: Weak security due to basic
authentication methods, risking user data
breaches
• Notifications: No real-time notifications for
customers regarding orders or inventory
TO-BE State:
• Inventory Management: Automated real-time
updates through APIs, eliminating manual
intervention and reducing errors
Trang 30• Third-Party Integration: Secure RESTful APIs
enabling external vendors to integrate and access platform functionalities
• Payment Processing: Updated payment gateway
with multi-vendor support and faster processing times
• User Authentication: Token-based OAuth 2.0
authentication for secure login and user sessions
• Notifications: Real-time order and inventory
notifications sent to customers via API
integrations
Project In-Scope Use Cases:
1 Inventory Management API: Enable third-party
systems to access and update real-time inventory data
2 User Authentication API: Implement secure
token-based authentication using OAuth 2.0 for user login and sessions
Trang 313 Payment Gateway API: Integration with external
payment services (e.g., Stripe, PayPal) to support multi-vendor payments
4 Real-Time Notifications API: APIs for sending
real-time updates to customers regarding orders and inventory status
Project Out of Scope Use Cases:
1 Frontend Enhancements: The project will not
cover enhancements or redesign of the
e-commerce platform’s frontend
2 Mobile Application Development: APIs for
mobile apps will not be developed as part of this project
3 Data Migration: No legacy data migration will be
included, except for necessary database changes
to support API functionality
Trang 32Other In-Scope Deliverables:
1 API Documentation: Complete technical
documentation for third-party developers
2 Security Enhancements: Implementation of
OAuth 2.0 for user authentication and secure
communication
3 API Monitoring Tools: Implementing API
monitoring tools to track performance and errors
4 Performance Testing: Testing to ensure APIs
meet performance benchmarks and handle the expected load
Other Out of Scope Deliverables:
1 User Interface Redesign: Any changes to the
website’s UI/UX
2 API Monetization: Pricing models or strategies for
monetizing the APIs
3 Custom Vendor Portals: Development of
vendor-specific UI/portals
Trang 33Project Risks:
1 Third-Party Integration Delays: External vendors
may not be ready to integrate immediately,
causing delays
a Mitigation: Early vendor engagement and
setting up sandbox environments
2 Performance Issues at Scale: APIs may
experience performance bottlenecks during peak traffic
a Mitigation: Use of load balancing, caching,
and performance testing
3 API Security Breaches: Potential vulnerabilities
in API security, especially during user
authentication
a Mitigation: Implement OAuth 2.0 and conduct
regular API security audits
Project Assumptions:
1 Third-party vendors will follow the provided API documentation without requiring customizations
Trang 342 The e-commerce platform’s backend
infrastructure is capable of supporting the new APIs
3 Sufficient technical resources and budget will be allocated to ensure project completion
3 External vendor dependencies may affect the
project timeline if they are not ready for
integration
Project Issues:
1 Legacy System Compatibility: The existing
backend system may have limitations that affect the new API design
Trang 35a Action: Conduct a technical assessment early
in the project to address any system limitations
2 Vendor Onboarding: Some third-party vendors
may face difficulties in adhering to API
specifications
a Action: Provide sandbox environments and
detailed documentation to ease the onboarding process
Project Dependencies:
1 External Payment Gateway: The availability and
readiness of third-party payment gateway
providers for integration
2 Development Resources: The availability of
experienced API developers to complete the
development within the timeline
3 Security Compliance: Ensuring the security team
provides timely feedback on OAuth 2.0 and other security mechanisms
Trang 36Glossary:
• API: Application Programming Interface – a set of
functions allowing external systems to interact with the platform
• OAuth 2.0: An authorization framework that
enables secure, token-based authentication
• Third-Party Vendor: External entities or partners
that integrate with the e-commerce platform to sell products or services
• Inventory Management: A system that tracks the
stock levels of products and ensures accurate updates
• Real-Time Notifications: Instant updates sent to
customers regarding their orders or stock levels
Trang 37STAKEHOLDER ANALYSIS
Trang 38Stakeholder analysis helps in identifying key
stakeholders, understanding their interests, power, and influence on the project, and determining how best to involve and communicate with them
throughout the project lifecycle
Stakeholder Identification
Here are the key stakeholders for this project:
1 Project Sponsor
a Role: Head of Product Development
b Interest: High (ensures the project aligns with business objectives)
c Influence: High (final decision-making power, allocates resources)
d Power: High (can approve or terminate the project)
Trang 39c Influence: High (sets priorities for the project and signs off on deliverables)
d Power: High (critical to the success of the project)
3 Business Analyst (BA)
a Role: Gathers, analyzes, and documents
business and functional requirements
b Interest: High (key to ensuring project
requirements meet business needs)
c Influence: Medium (supports development but does not have final decision power)
d Power: Medium (influences scope,
requirements, and process changes)
4 Development Team
a Role: API developers responsible for coding and implementing the APIs
b Interest: High (responsible for creating a
functional API system)
c Influence: Medium (can impact delivery
timelines and technical feasibility)
Trang 40d Power: Medium (has technical knowledge but relies on product and sponsor for decision-making)
5 Third-Party Vendors
a Role: External vendors who will integrate with the platform
b Interest: High (will benefit from using the APIs)
c Influence: Medium (can delay integration if requirements are not met)
d Power: Low (dependent on the platform)