1. NEECOM – May 22, 2019 Todd L Gould, CEO
Web Services
NEECOM – May 22, Todd L Gould, CEO

2. Background Founded Loren Data in 1987 EDI Since 1996
X12 Board of Directors
Life Outside of EDI
© 2019, Loren Data Corp.

3. First, a Quiz What does XML stand for? Extensible Markup Language
What does JSON stand for?
JavaScript Object Notation
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4. Web Services vs Web Browsers
They both use web servers and http
The Web Browsers are for Humans
Web Services are for Applications
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5. API Application Programming Interface
Run code from one application in another
Operating System – It’s really how it all works
File Services
Network Services
User Interfaces
Local: Dynamic Link Library (DLL)
Remote: Web Service
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6. Why Web Services?
Allows one application to remotely execute functions on another application over the Internet or across the enterprise
Separate business processes from backend complexities
Protect the internal from the external
© 2019, Loren Data Corp.

7. Things to Do with Web Services
Remote Databases
Statistics
Geographic Information
Shipment Tracking
Mashup Social Media
Access Computing Power
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8. Real World Web Service APIs
Google Maps
Google Translate
UPS Tracking
Facebook
Twitter
Salesforce Force.com
reCAPTCHA
Weather Underground
Twilio Voice, SMS
ECGridOS
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9. The Technical Section
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10. Types of Web Services
RESTful SOAP
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11. RESTful Representational State Transfer
Roy Fielding 2000 PhD dissertation at UC Irvine
Architecture Type
Closely related to HTTP
HTTP Methods (GET, POST, PUT, PATCH, DELETE)
Commonly uses XML & JSON for request and response
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12. A Live Example This is a free web service that returns random quotes
te&format=json&key=111664&lang=en
Mashup with Twilio, send a text to:
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13. SOAP Simple Object Access Protocol Microsoft 1998 -> 2003
Protocol – highly defined XML
Envelope
Encoding rules for Data Types
Represents procedure calls and responses
WSDL – Web Services Description Language
Operates over any protocol (e.g. HTTP, SMTP, etc.)
© 2019, Loren Data Corp.

14. This is from the ECGridOS SOAP Web Service API
An EDI Example
This is from the ECGridOS SOAP Web Service API
APIKey: a98c0fd4-d77f-4bd5-b704-afd8b751b32f
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15. Best Practices Hosting Web Services Consuming Web Services
Always use HTTPS – Security
Faster is better!
Change management – do not break existing functions!
Communicate!
Be efficient
Update to newer versions
Make suggestions
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16. Resources https://en.wikipedia.org/wiki/Web_service
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17. Questions?
© 2019, Loren Data Corp.