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Page 23 | June 2023 | INTERFACE by Apidays
API evolution
API Standards and Technology Evolution
1950’s – 1990’s 2000 -2009 2010-2019 2020-2030
API Service Evolution
1951: 1st API spec
(in Wilkes and
Wheelers’ book)
1974: API first introduced
to database (by C. J. Date)
1990’s: Many ways to
expose API services (e.g.
CORBA, COM & DCOM)
2000: REST (Roy Fielding)
2001: Open &
distributed API
(Semantic
Web API)
(by Tim
Berners-Lee)
Mostly private APIs for
internal use: intra-
system, inter-system,
inter-domain
Semi-public APIs (for
partners) and public
APIs (for customer
support and self-serve)
Emerging APIaaS and CPaaS
(e.g. Twilio, Vonage Nexmo,
Telefonica TokBox)
2013: TeleManagement
Forum 3 Open APIs
published (Product
Catalog, Product
Ordering, Trouble Ticket
Management)
Early API monetization efforts by Service Providers (e.g. Vonage, Telefonica,
AT&T, Telstra, Bell) & thru industry forums (e.g. TMF, 5GFF, CAMARA)
Other
APIs: MEF,
3GPP, BBF,
O-RAN, IoT,
Data
analytics/
AI/CAI/ML
Prolific API development and deployment by financial institutions, healthcare, government, etc.
2021: CAMARA
(Telco Global
API Alliance)
established ,
with Quality on
Demand
published
(18 repositories
on GitHub by
end of 2022)
2020: 5G Future Forum
established, focusing on
5GFF APIs for discovery,
deployment, and
orchestration of apps on
MEC at telco edge
2/2023: 8 telco members
(Vz, Vodafone, America
Movil, NOS, Telstra, KT,
Bell, Rogers)
Telco APIs thru industry forums (e.g. 5GFF): edge
discovery service, workload orchestration, QoS
mgmt, Network KPI exposure, network slicing