april 17 delivering a successful web api golliffe 52421

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Gary Olliffe Twitter: @garyolliffe

Gartner for Technical Professionals — Delivering a Successful Web API Program

http://pvs.gartner.com/technology/about/policies/usage_guidelines.jsp

http://pvs.gartner.com/technology/about/ombudsman/omb_guide2.jsp


You Already Live in an API Economy

New System Production

New API Production

Future

Consumption of APIs Is Growing — Fast!

• You Tweet

• You Register

• You Check In

• You Deposit

• You Pay

• You Post

• You "Candy Crush"

Past


Key Issues

• What can an API program do for the enterprise?

• How do I structure a great API program that provides serious business impact?

• What are the key technical underpinnings of an API program?


What Is an API?

A Contract and an Access Channel

Your

Business

Clients

Stores

Partners

Apps

Your API


Why Businesses Need APIs (Whether They Ask for Them or Not …)

IoT

SaaS

Mobile

Social

BI

Big Data Sources

IaaS/PaaS

B2B

B2B

Your

Business


Source: Gartner

APIs Let Enterprises Compete in the Cloud

Open for Mobility

Open for Refacing

Open for Information Exchange

Open for Transactions

Open for Customers, Partners, Employees and Citizens

Source: CA (Layer 7), Feb 2014, n >180

Private APIs Only 26%

Public APIs Only 14%

Mixture of Both 60%

Most API Programs Include (or Plan to Include) Private APIs


"Extensible Enterprise" Maturity Model

Mobilize Existing Business Apps

"Extend the Enterprise With Public Web APIs," Gartner, 5 November 2012 (G00237174)

Build an App

Enable:

Mobility and Innovation P

rog

ram

Co

mp

lexit

y

Bu

sin

ess Im

pact





Build an App

Enable:

Mobility and Innovation

Engage:

Increase Product and Service Accessibility

Pro

gra

m C

om

ple

xit

y

Bu

sin

ess Im

pact

Build a Developer Ecosystem

Add Programmable Capabilities to

Existing Offerings





Use Our Platform to Create a Service

Build an App

Enable:

Mobility and Innovation

Engage:

Increase Product and Service Accessibility

Extend:

Create New Business Models

Pro

gra

m C

om

ple

xit

y

Bu

sin

ess Im

pact

Enter New Markets or Expand Into

Existing Ones

Build a Developer Ecosystem

Add Programmable Capabilities to

Existing Offerings


Case Study: News Media

• Drivers/Challenges:

- Improve editorial reach and influence.

- Diversify commercial distribution alternatives.

- Be part of the Web, not just on it; go from publisher to platform.

• Processes/Solutions:

- Launched Guardian Content API with freemium rate-limited business model.

- Guardian Developer Network and Open Platform to build developer ecosystem.

- Deployed the Content API on Amazon Elastic Compute Cloud (EC2).

• Results/Benefits:

- Launched Kindle edition, Facebook apps using the API.

- Internal API usage is six times that of external consumption!

- Self-service models have been successful, but higher-touch model is challenging.

Lesson Learned: The Right Public Cloud Services Can Simplify

Scaling and Managing a Successful Public Web API Initiative.


Value Flows in Many Directions

Value

API Ecosystem

API Providers

API Consumers


Understand Your Value Proposition and Value Chain

Partners

Customers

Provided Services

Segment Your API Consumers: What Is the Value for Each?

Your Channels Long-tail Dev.

New Markets


Case Study: Investment Services

*Source: https://cdn.etrade.net/1/20140220.0/static_devportal/static/downloads/ETRADE_Developer_Platform_Guide.pdf

• Investment Services as a Platform*

• More than 25 REST APIs with SDKs for C++, Java, PHP

• Authorization using OAuth

• Developer Community

API Module Features

Accounts Get information on the user's accounts

Market Look up symbols, get quotes, fundamentals, and performance history

Order Get a list of current orders, create/modify orders for equities and options

Streaming API Subscribe to receive timely push notifications of order status changes

Notifications Get notifications about the system and platform

Rate Limits Check the API rate limits and see how many requests are still available

https://cdn.etrade.net/1/20140220.0/static_devportal/static/downloads/ETRADE_Developer_Platform_Guide.pdf




A Cross-functional Team Makes It Happen

Product Management Business Stakeholders Development Operations Marketing


Balancing Value and Costs

Operating Costs:

• Storage

• Computing

• Bandwidth

• Third-party Licensing

• Staffing

Measures of Value:

• Number of Users

• Number of Transactions

• Product Revenue

• Expanded Partner Base

• Cost Reduction

Units Often Differ!


APIs Must Be Designed and Managed as Products

Personas Drive Design Choices



Personas Drive Design Choices Consumers Drive Contracts




Scenarios Drive Technology




Scenarios Drive Technology Support Drives Demand


Consuming Services: What Do Developers Need?

• Self-service Access Provisioning

• Documentation

• Test Sandbox

• Platform SDKs

• Code Samples

• Collaboration and Community


A Good Developer Portal Is Fundamental to API Acceptance and Adoption

Source: https://www.twilio.com/docs/api/rest/making-calls


Delivering Services: What Do You Need?

• Authentication

• Authorization

• Threat Detection

• Data Privacy

• Traffic Management

• Quality of Service Management

• Interface Translation

• Service Routing

• Service Orchestration


APIs and Their Business Value Must Be Measured

• Activity Logging

• User Auditing

• Business Value Reporting

• Contract Management

• Advanced Analytics

• Service-level Monitoring


Key API Delivery Capabilities …

But … Service

Implementation

Service Implementation

Developer

Access Portal Gateway

Service

Implementations

Service

Mediation

API Consumer 1 API Consumer 2 API Consumer N

API Governance

Tools

App

Developer

Service

Governance

Tools


… Don't Buy What You Already Have



Developer

Access Portal Gateway

Service

Implementations

Service

Mediation

API Consumer 1 API Consumer 2 API Consumer N

API Governance

Tools

App

Developer

Service

Governance

Tools


Recommendations

Develop clear program goals with quantifiable metrics tied to business value.

When building a business-case segment API consumers and determine the value for each.

Establish a cross-functional team responsible for the steering, design, implementation and operation of the API program.

Design and manage APIs as you would a product.


Recommended Gartner Research

Run and Evolve a Great Web API With API Management Capabilities Eric Knipp (G00247962)

Managing Service Dependencies in the Extended Enterprise Gary Olliffe (G00260047)

Adopt These Six Traits of Highly Effective Web API Programs for Business Advantage Gordon Van Huizen (G00234982)

Govern Your Services and Manage Your APIs With Application Services Governance Paolo Malinverno (G00245902)

For more information, stop by Gartner Research Zone.

http://www.gartner.com/document/2603621?ref=QuickSearch&sthkw=G00247962


http://www.gartner.com/document/2319915?ref=QuickSearch&sthkw=Designing and Delivering Web APIs







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