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# OpenAPI Specification Files for 3GPP 5G Core Network (Release 16)

# {-[DRAFT]-} OpenAPI Specification Files for 3GPP 5G Core Network (Release 16)

© 2026, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). All rights reserved.

API version: **March 2026**  

API version: **April/May 2026**  

Release status: **{- Frozen -}**  

Other releases: [Rel-20 (Open)](https://forge.3gpp.org/rep/all/5G_APIs/tree/REL-20), [Rel-19 (Frozen)](https://forge.3gpp.org/rep/all/5G_APIs/tree/REL-19), [Rel-18 (Frozen)](https://forge.3gpp.org/rep/all/5G_APIs/tree/REL-18), [Rel-17 (Frozen)](https://forge.3gpp.org/rep/all/5G_APIs/tree/REL-17), [Rel-15 (Frozen)](https://forge.3gpp.org/rep/all/5G_APIs/tree/REL-15)

OpenAPI validation status:

[![pipeline status](https://forge.3gpp.org/rep/all/5G_APIs/badges/REL-16/pipeline.svg)](https://forge.3gpp.org/rep/all/5G_APIs/commits/REL-16)

[![pipeline status](https://forge.3gpp.org/rep/all/5G_APIs/badges/Rel16-draft-TSG112/pipeline.svg)](https://forge.3gpp.org/rep/all/5G_APIs/commits/Rel16-draft-TSG112)

#### Tools

* <a href="https://forge.3gpp.org/swagger/tools/parser.html">API Parser/Linter</a> to parse OpenAPI files with APIDevTools Swagger Parser/Validator and run a number of <a href="https://en.wikipedia.org/wiki/Lint_(software)" target="_blank">lint</a> rules to improve API quality