apis and beyond
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APIs and Beyond
© WSO2 2011. Not for redistribution. Commercial in Confidence.
lean . enterprise . middleware
Chris Haddad VP, Technology Evangelism
Paul Fremantle,
CTO and Co-Founder
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Business APIs
“APIs provide a way to make resources
available for internal and external
partners to access information and
services.”
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API Architecture
An API is a business capability delivered over the Internet
to internal or external consumers
• Network accessible function
• Available using standard web protocols
• With well-defined interfaces
• Designed for access by third-parties
A Managed API is:
• Actively advertised and subscribe-able
• Exhibits high Quality of Service (QoS)
• Available with Service Level Agreements (SLAs)
• Secured, authenticated, authorized and protected
• Monitored and monetized with analytics
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APIs All the Way…
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APIs and Business Consumers
Core Business Services
Mobile Apps
Employees
Suppliers
External Partners
Distributors
Corporate Websites
Legal or government authorities
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Don’t ignore API Proliferation
Source: http://blog.programmableweb.com/2011/10/03/4000-web-apis-whats-hot-and-whats-next/
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Some Statistics
• Twitter : More than 15 billion calls per day 75% through APIs
• Netflix : More than 1 billion calls per day
• Facebook : More than 5 billion calls per day
• Amazon : More than 260 billion objects store in S3
• eBay : More than 2 billion transactions per day (using the WSO2 ESB)
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The New Web
Source: http://blog.programmableweb.com/2011/01/03/api-growth-doubles-in-2010-social-and-mobile-are-trends/
Create an Architecture of Participation
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API Opportunities
Source: http://asanka.abeysinghe.org/2012/02/apis-create-new-relationship-b2d.html
“APIs create a new relationship opportunity – B2D; Business to Developer, that creates
direct B2C, B2B and indirect B2C relations”
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API Opportunity
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•Create APIs
• WSO2 Application Server, Data Services Server and ESB
•Find and subscribe/buy APIs
• API Store and Governance
•Manage, secure and protect APIs
• API Management and Gateway
•Monitor and Monetize APIs
• API Monitoring and Analytics
•Develop, host and run API-based applications in a Platform-as-a-Service
• WSO2 Stratos and Cloud Development Platform
• API Cloud
WSO2 API Management Platform
WSO2’s API Management Vision
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API Gateway
API Analytics Data Store
API Repository
Consumer Identity
Provider
Authorization and
Authentication
Monetization Engine Key Management
Mobile and Web
Applications
API Store Front API Back Office API Explorer
Self-service Access
Load Balancer Mediation Broker
Traffic Control
Policies
API Cloud
Monetization Repository
API Governance
The API Platform Architecture
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Business Design of the APIs • Know the consumer
• Who will use the APIs (both developers and final end-user)?
• What type of applications will use the APIs?
• What business assets will be delivered?
• Maintain Operational Control
• What Quality of Service is expected?
• Who can access the assets?
• Remember Usability and Monetization
• How will the API expose business assets?
• How will you demonstrate business value via direct revenue, chargeback, or
showback?
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API Ecosystem Model
•From SOA lessons learned, best practices roles
•API Publisher
• Builds, publishes, manages, and versions API
• Understand business and technical requirements
• Cares about usage and scaling
• Seeks feedback, ratings, usage
•API Manager
•Promotes and encourages consumers to adopt API
•Determines usage patterns and how to best monetize asset
•Monitors and secures
•API Consumer
•Understands the interface definition
•Subscribes and connects application to API
•Monitors own usage and cost basis
•Provides feedback and ratings
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API Publisher •Publish easily consumable APIs
•Increase API accessibility, availability, reliability, and security
•Drive API adoption by building communities and promoting APIs
API Consumer
•Identify API matching project requirements
•Evaluate API and rapidly compose solution
•Assess service level agreement and cost
•Socialize project requirements with API Publisher
API Manager
•Meter, rate limit, and monetize investment
•Promote and enforce API lifecycle best practices
•Optimize API portfolio and reduce custom development
•Identify usage patterns, successful providers, and business opportunity
Architect’s View of API Objectives
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API Publisher
•Quickly develop and publish secure RESTful APIs
•Associate service level policies and monetization rates
•Promote samples, how-to-guides, and roadmaps
•Evolve and version service
API Consumer
•Register as an API consumer
•Review API documentation and match project requirements
•Obtain API key, integrate with API, test API
•Subscribe to API at a specific service level and pricing rate
API Manager
•Follow best practice API lifecycle workflow
•Version API
•Request API features and file issue
•Automated migration across lifecycle environments (e.g. Dev/QA/Prod)
Developer’s View of API Objectives
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Built on Proven Components
• API Management Platform leverages WSO2 proven components:
o WSO2 ESB
used as API Gateway by eBay, AAA, and others. eBay handles > 1 billion API calls/day
o WSO2 Governance Registry
used by British Airways, Intermountain Healthcare, and many others
o WSO2 Identity Server
used by Citigroup, Federal Home Loan Bank of SF, US Navy and others
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Scalable Deployment Architecture
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API Store Features
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API Publisher Features
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Adding an API
See more
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Listing APIs
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API Store
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Scalable Analytics Deployment
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Questions?
25
http://www.flickr.com/photos/oberazzi/
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Resources
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Contact us:
http://wso2.com/contact/
Follow us:
http://twitter.com/#!/wso2
Follow us:
http://twitter.com/#!/wso2