A presentation given by Viktoriia Kniazeva, Head Business Analyst, T-Systems Iberia, at our 2023 Platform Summit, October 17-18, 2023

1. API Modelling Using
Standards
Viktoriia Kniazeva
Head Business Analyst
Deutsche Telekom IT Iberia

2. TABLE OF CONTENTS
01
03
REST API
TM Forum
standards
Case Study
Generic query
02
3.1
3.2 Standard API concept

3. REST API
01

4. REST API PRINCIPLES
Uniform Interface
Client-Server
Stateless
Cacheable
Layered System
Code on Demand
(Optional)
1 2 5
4
3 6

5. TM FORUM
02

6. – non-profit association of providers
and service providers in the
telecommunications industry
The main goal of the association:
development of standards,
recommendations and models for IT
technologies for telecom
More about>> link
TM FORUM

7. TM FORUM AS BASIS
EXPERIENCE
CONCEPT
OPPORTUNITY
COMMUNICATION

8. TM FORUM API
CONSTRAINTS
Filtration
Versioning
Mandatoriness
Access
restriction
Relations

9. M
ARKET/
SALES
PRO
DU
CT CUSTOM
ER
COM
M
ON
ENTERPRISE
ENGAGED
PARTY
RESOURCE
SERVICE

10. CASE STUDY
03

11. TMF630:
GENERIC QUERY
[
{
"id": "1234",
"name": "some example",
"nestedObjectArray": [
{
"name": "object1",
"value": 123
},
{
"name": "object2"
}
]
},
{
"id": "1235",
"name": "some example2"
}
]
http://www.example.com/pages?id=1234&...
http://www.example.com/pages?nestedO
bjectArray[0].name = object1, object2
http://www.example.com/pages?
name *= [abc]

12. ProductOffering
ProductOfferingPrice
BundledProductOffering
TMF620:
PRODUCT CATALOG MANAGEMENT

13. Mobile B2B
product
Mobile B2C
product
FixedLine
products
PRODUCT CATALOGUE
MANAGEMENT
Mobile B2B
online
BACKEND LAYER
Fixed Line
products
API LAYER
PORTALS LAYER
Mobile B2C
call center
Fixed Line
B2C
stores
Fixed Line
B2B XL
online
Fixed Line
B2B XL
Call center
SOAP SOAP
REST
REST
TMF620 REST API

14. ProductSpecification
Catalog
Category Category Category
Category ProductOffering
ProductOffering
Price
ProductOffering
Price
REF

15. 512 GB Black
Mobile Devices
Accessories Smartphones
Apple
Smartwatches
Apple Iphone Pro Max
889.95 EUR
REF
Apple Iphone Pro
Max 512 GB Black
705.50 EUR

16. SUMMING UP!

17. THANKS!
DO YOU HAVE ANY QUESTIONS?
knyazevavira@gmail.com
https://github.com/vkniazeva
LinkedIn: Viktoriia Kniazeva