ASTI API. An OpenAPI 3.0.0 document with 3 path(s), API version 1.2.0, published verbatim by 3GPP in 3GPP TS 29.522 as part of the 5G NEF Northbound (Network Exposure) suite and mirrored in the public 3GPP Forge GitLab repository.
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openapi: 3.0.0
info:
title: 3gpp-asti
version: 1.2.0
description: |
API for ASTI.
© 2025, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
All rights reserved.
externalDocs:
description: >
3GPP TS 29.522 V19.5.0; 5G System; Network Exposure Function Northbound APIs.
url: 'https://www.3gpp.org/ftp/Specs/archive/29_series/29.522/'
security:
- {}
- oAuth2ClientCredentials: []
servers:
- url: '{apiRoot}/3gpp-asti/v1'
variables:
apiRoot:
default: https://example.com
description: apiRoot as defined in clause 5.2.4 of 3GPP TS 29.122.
paths:
/{afId}/configurations:
get:
summary: read all of the active configurations of 5G access stratum time distribution for the AF
operationId: ReadAllConfigurations
tags:
- ASTI Configurations
parameters:
- name: afId
in: path
description: Identifier of the AF
required: true
schema:
type: string
responses:
'200':
description: OK (Successful get all of the active configurations for the AF)
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/AccessTimeDistributionData'
minItems: 0
'307':
$ref: 'TS29122_CommonData.yaml#/components/responses/307'
'308':
$ref: 'TS29122_CommonData.yaml#/components/responses/308'
'400':
$ref: 'TS29122_CommonData.yaml#/components/responses/400'
'401':
$ref: 'TS29122_CommonData.yaml#/components/responses/401'
'403':
$ref: 'TS29122_CommonData.yaml#/components/responses/403'
'404':
$ref: 'TS29122_CommonData.yaml#/components/responses/404'
'406':
$ref: 'TS29122_CommonData.yaml#/components/responses/406'
'429':
$ref: 'TS29122_CommonData.yaml#/components/responses/429'
'500':
$ref: 'TS29122_CommonData.yaml#/components/responses/500'
'503':
$ref: 'TS29122_CommonData.yaml#/components/responses/503'
default:
$ref: 'TS29122_CommonData.yaml#/components/responses/default'
post:
summary: Creates a new configuration resource
operationId: CreateNewConfiguration
tags:
- ASTI Configurations
parameters:
- name: afId
in: path
description: Identifier of the AF
required: true
schema:
type: string
requestBody:
description: new configuration creation
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/AccessTimeDistributionData'
responses:
'201':
description: Created (Successful creation)
content:
application/json:
schema:
$ref: '#/components/schemas/AccessTimeDistributionData'
headers:
Location:
description: 'Contains the URI of the newly created resource'
required: true
schema:
type: string
'400':
$ref: 'TS29122_CommonData.yaml#/components/responses/400'
'401':
$ref: 'TS29122_CommonData.yaml#/components/responses/401'
'403':
$ref: 'TS29122_CommonData.yaml#/components/responses/403'
'404':
$ref: 'TS29122_CommonData.yaml#/components/responses/404'
'411':
$ref: 'TS29122_CommonData.yaml#/components/responses/411'
'413':
$ref: 'TS29122_CommonData.yaml#/components/responses/413'
'415':
$ref: 'TS29122_CommonData.yaml#/components/responses/415'
'429':
$ref: 'TS29122_CommonData.yaml#/components/responses/429'
'500':
$ref: 'TS29122_CommonData.yaml#/components/responses/500'
'503':
$ref: 'TS29122_CommonData.yaml#/components/responses/503'
default:
$ref: 'TS29122_CommonData.yaml#/components/responses/default'
callbacks:
astiNotification:
'{$request.body#/astiNotifUri}':
post:
requestBody:
description: Notification of an ASTI configuration change event.
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/AstiConfigNotification'
responses:
'204':
description: No Content, Notification was succesfull
'307':
$ref: 'TS29122_CommonData.yaml#/components/responses/307'
'308':
$ref: 'TS29122_CommonData.yaml#/components/responses/308'
'400':
$ref: 'TS29122_CommonData.yaml#/components/responses/400'
'401':
$ref: 'TS29122_CommonData.yaml#/components/responses/401'
'403':
$ref: 'TS29122_CommonData.yaml#/components/responses/403'
'404':
$ref: 'TS29122_CommonData.yaml#/components/responses/404'
'411':
$ref: 'TS29122_CommonData.yaml#/components/responses/411'
'413':
$ref: 'TS29122_CommonData.yaml#/components/responses/413'
'415':
$ref: 'TS29122_CommonData.yaml#/components/responses/415'
'429':
$ref: 'TS29122_CommonData.yaml#/components/responses/429'
'500':
$ref: 'TS29122_CommonData.yaml#/components/responses/500'
'503':
$ref: 'TS29122_CommonData.yaml#/components/responses/503'
default:
$ref: 'TS29122_CommonData.yaml#/components/responses/default'
/{afId}/configurations/retrieve:
post:
summary: Request the status of the 5G access stratum time distribution configuration for a list of UEs.
operationId: RetrieveStatusofConfiguration
tags:
- ASTI Configurations
parameters:
- name: afId
in: path
description: Identifier of the AF
required: true
schema:
type: string
requestBody:
description: Contains the list of GPSIs.
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/StatusRequestData'
responses:
'200':
description: Successful retrieval of the status of the 5G access stratum time distribution
content:
application/json:
schema:
$ref: '#/components/schemas/StatusResponseData'
'400':
$ref: 'TS29122_CommonData.yaml#/components/responses/400'
'401':
$ref: 'TS29122_CommonData.yaml#/components/responses/401'
'403':
$ref: 'TS29122_CommonData.yaml#/components/responses/404'
'404':
$ref: 'TS29122_CommonData.yaml#/components/responses/404'
'411':
$ref: 'TS29122_CommonData.yaml#/components/responses/411'
'413':
$ref: 'TS29122_CommonData.yaml#/components/responses/413'
'415':
$ref: 'TS29122_CommonData.yaml#/components/responses/415'
'429':
$ref: 'TS29122_CommonData.yaml#/components/responses/429'
'500':
$ref: 'TS29122_CommonData.yaml#/components/responses/500'
'503':
$ref: 'TS29122_CommonData.yaml#/components/responses/503'
default:
$ref: 'TS29122_CommonData.yaml#/components/responses/default'
/{afId}/configurations/{configId}:
get:
summary: Reads an active configuration for the AF and the configuration Id
operationId: ReadAnConfiguration
tags:
- Individual ASTI Configuration
parameters:
- name: afId
in: path
description: Identifier of the AF
required: true
schema:
type: string
- name: configId
in: path
description: Identifier of the configuration resource
required: true
schema:
type: string
responses:
'200':
description: OK (Successful get the active configuration)
content:
application/json:
schema:
$ref: '#/components/schemas/AccessTimeDistributionData'
'307':
$ref: 'TS29122_CommonData.yaml#/components/responses/307'
'308':
$ref: 'TS29122_CommonData.yaml#/components/responses/308'
'400':
$ref: 'TS29122_CommonData.yaml#/components/responses/400'
'401':
$ref: 'TS29122_CommonData.yaml#/components/responses/401'
'403':
$ref: 'TS29122_CommonData.yaml#/components/responses/403'
'404':
$ref: 'TS29122_CommonData.yaml#/components/responses/404'
'406':
$ref: 'TS29122_CommonData.yaml#/components/responses/406'
'429':
$ref: 'TS29122_CommonData.yaml#/components/responses/429'
'500':
$ref: 'TS29122_CommonData.yaml#/components/responses/500'
'503':
$ref: 'TS29122_CommonData.yaml#/components/responses/503'
default:
$ref: 'TS29122_CommonData.yaml#/components/responses/default'
put:
summary: Modifies an active configuration for the AF and the configuration Id
operationId: FullyModifyAnConfiguration
tags:
- Individual ASTI Configuration
parameters:
- name: afId
in: path
description: Identifier of the AF
required: true
schema:
type: string
- name: configId
in: path
description: Identifier of the configuration resource
required: true
schema:
type: string
requestBody:
description: Parameters to update/replace the existing configuration
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/AccessTimeDistributionData'
responses:
'200':
description: OK (Successful update of the configuration)
content:
application/json:
schema:
$ref: '#/components/schemas/AccessTimeDistributionData'
'204':
description: No Content
'307':
$ref: 'TS29122_CommonData.yaml#/components/responses/307'
'308':
$ref: 'TS29122_CommonData.yaml#/components/responses/308'
'400':
$ref: 'TS29122_CommonData.yaml#/components/responses/400'
'401':
$ref: 'TS29122_CommonData.yaml#/components/responses/401'
'403':
$ref: 'TS29122_CommonData.yaml#/components/responses/403'
'404':
$ref: 'TS29122_CommonData.yaml#/components/responses/404'
'411':
$ref: 'TS29122_CommonData.yaml#/components/responses/411'
'413':
$ref: 'TS29122_CommonData.yaml#/components/responses/413'
'415':
$ref: 'TS29122_CommonData.yaml#/components/responses/415'
'429':
$ref: 'TS29122_CommonData.yaml#/components/responses/429'
'500':
$ref: 'TS29122_CommonData.yaml#/components/responses/500'
'503':
$ref: 'TS29122_CommonData.yaml#/components/responses/503'
default:
$ref: 'TS29122_CommonData.yaml#/components/responses/default'
delete:
summary: Deletes an already existing configuration
operationId: DeleteAnConfiguration
tags:
- Individual ASTI Configuration
parameters:
- name: afId
in: path
description: Identifier of the AF
required: true
schema:
type: string
- name: configId
in: path
description: Identifier of the configuration resource
required: true
schema:
type: string
responses:
'204':
description: No Content (Successful deletion of the existing configuration)
'307':
$ref: 'TS29122_CommonData.yaml#/components/responses/307'
'308':
$ref: 'TS29122_CommonData.yaml#/components/responses/308'
'400':
$ref: 'TS29122_CommonData.yaml#/components/responses/400'
'401':
$ref: 'TS29122_CommonData.yaml#/components/responses/401'
'403':
$ref: 'TS29122_CommonData.yaml#/components/responses/403'
'404':
$ref: 'TS29122_CommonData.yaml#/components/responses/404'
'429':
$ref: 'TS29122_CommonData.yaml#/components/responses/429'
'500':
$ref: 'TS29122_CommonData.yaml#/components/responses/500'
'503':
$ref: 'TS29122_CommonData.yaml#/components/responses/503'
default:
$ref: 'TS29122_CommonData.yaml#/components/responses/default'
components:
securitySchemes:
oAuth2ClientCredentials:
type: oauth2
flows:
clientCredentials:
tokenUrl: '{tokenUrl}'
scopes: {}
schemas:
AccessTimeDistributionData:
description: >
Contains the parameters for the creation of 5G access stratum time distribution configuration.
type: object
properties:
gpsis:
type: array
items:
$ref: 'TS29571_CommonData.yaml#/components/schemas/Gpsi'
minItems: 1
exterGroupId:
$ref: 'TS29122_CommonData.yaml#/components/schemas/ExternalGroupId'
asTimeDisParam:
$ref: 'TS29565_Ntsctsf_ASTI.yaml#/components/schemas/AfAsTimeDistributionParam'
coverageArea:
$ref: 'TS29571_CommonData.yaml#/components/schemas/SpatialValidityCond'
suppFeat:
$ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
astiNotifUri:
$ref: 'TS29122_CommonData.yaml#/components/schemas/Uri'
astiNotifId:
type: string
description: Notification correlation identifier.
required:
- asTimeDisParam
oneOf:
- required: [gpsis]
- required: [exterGroupId]
AstiConfigNotification:
description: >
Contains the report of a change in the 5G Access Stratum Time Distribution
parameters applied to the UE(s).
type: object
properties:
astiNotifId:
type: string
description: >
It is used to set the value of Notification Correlation ID in the
corresponding notification
stateConfigs:
type: array
items:
$ref: '#/components/schemas/AstiConfigStateNotification'
minItems: 1
description: >
It contains the reported event(s) and event information.
required:
- astiNotifId
- stateConfigs
AstiConfigStateNotification:
description: >
Contains the report of a change in the 5G Access Stratum Time Distribution
parameters applied to a UE.
type: object
properties:
gpsi:
$ref: 'TS29571_CommonData.yaml#/components/schemas/Gpsi'
event:
$ref: 'TS29565_Ntsctsf_ASTI.yaml#/components/schemas/AstiEvent'
required:
- event
- gpsi
StatusRequestData:
description: >
Contains the parameters for retrieval of the status of the access stratum time distribution
for a list of UEs.
type: object
properties:
gpsis:
type: array
items:
$ref: 'TS29571_CommonData.yaml#/components/schemas/Gpsi'
minItems: 1
required:
- gpsis
StatusResponseData:
description: >
Contains the parameters for the status of the access stratum time distribution for a list of
UEs.
type: object
properties:
inactiveUes:
type: array
items:
$ref: 'TS29571_CommonData.yaml#/components/schemas/Gpsi'
minItems: 1
activeUes:
type: array
items:
$ref: '#/components/schemas/ActiveUe'
minItems: 1
ActiveUe:
description: >
Contains the UE identifier whose status of the access stratum time distribution is active
and the optional requested time synchronization error budget.
type: object
properties:
gpsi:
$ref: 'TS29571_CommonData.yaml#/components/schemas/Gpsi'
timeSyncErrBdgt:
$ref: 'TS29571_CommonData.yaml#/components/schemas/Uinteger'