Oracle Database Vector Models API
ORDS Vector Database services to list, load, describe and delete the ONNX models hosted in the database.
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OpenAPI Specification
openapi: 3.2.0
info:
description: Provides the Oracle REST Data Services (ORDS) users the ability to perform Oracle Database management and monitoring operations through a user-friendly REST API.
version: 2026.03.26
title: Oracle REST Data Services Vector Database/Models API
contact:
name: Oracle REST Data Services
url: https://www.oracle.com/database/technologies/appdev/rest.html
x-summary: Provides the Oracle REST Data Services (ORDS) users the ability to perform Oracle Database management and monitoring operations through a user-friendly REST API.
tags:
- name: Vector Database/Models
description: The operations from the Vector Database/Models category.
paths:
/vecdb/models/:
get:
tags:
- Vector Database/Models
operationId: list_models
summary: Get the ONNX models hosted in the database
description: Describe the ONNX models hosted in the database.
security:
- BasicAuth: []
- BearerAuth: []
- OAuth2: []
responses:
'200':
description: Details of the ONNX models hosted in the database.
content:
application/json:
schema:
$ref: '#/components/schemas/ModelsCollection'
x-internal-id: vecdb-models--get
x-filename-id: vecdb-models-get
post:
tags:
- Vector Database/Models
operationId: load_model
summary: Load an ONNX model into de database
description: Load an ONNX model into de database.
security:
- BasicAuth: []
- BearerAuth: []
- OAuth2: []
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- modelName
- url
properties:
modelName:
type: string
description: The name of the model.
url:
type: string
description: The PAR URL of the model.
modelParams:
type: object
description: Model specific parameters.
properties:
provider:
type: string
description: The provider of the ONNX model.
credential:
type: string
description: The credential to use to load the model
metadata:
type: object
description: Model specific metadata parameters
debugFlags:
$ref: '#/components/schemas/VectorDebugFlags'
responses:
'201':
description: The model details.
content:
application/json:
schema:
$ref: '#/components/schemas/ModelItem'
'400':
description: The request body included invalid parameters.
content:
application/problem+json:
schema:
$ref: '#/components/schemas/ORDSErrorResponse'
'404':
description: Model not found.
content:
application/problem+json:
schema:
$ref: '#/components/schemas/ORDSErrorResponse'
x-internal-id: vecdb-models--post
x-filename-id: vecdb-models-post
/vecdb/models/{model_name}:
parameters:
- name: model_name
in: path
required: true
schema:
type: string
maxLength: 128
description: Name of the ONNX model.
get:
tags:
- Vector Database/Models
operationId: describe_model
summary: Get details of an ONNX model hosted in the database
description: Describe an ONNX model hosted in the database.
security:
- BasicAuth: []
- BearerAuth: []
- OAuth2: []
responses:
'200':
description: Details of the ONNX model hosted in the database.
content:
application/json:
schema:
$ref: '#/components/schemas/ModelItem'
'404':
description: Model not found.
content:
application/problem+json:
schema:
$ref: '#/components/schemas/ORDSErrorResponse'
x-internal-id: vecdb-models-{model_name}-get
x-filename-id: vecdb-models-model_name-get
delete:
tags:
- Vector Database/Models
operationId: drop_model
summary: Delete an ONNX model from de database
description: Delete an ONNX model from de database.
security:
- BasicAuth: []
- BearerAuth: []
- OAuth2: []
responses:
'200':
description: The model was successfully deleted from the database.
content:
application/json:
schema:
type: object
properties:
dropped:
type: string
description: If the model was dropped or not.
message:
type: string
description: Confirmation message.
'400':
description: The model is used in a vector table and can not be deleted.
content:
application/problem+json:
schema:
$ref: '#/components/schemas/ORDSErrorResponse'
'404':
description: Model not found.
content:
application/problem+json:
schema:
$ref: '#/components/schemas/ORDSErrorResponse'
x-internal-id: vecdb-models-{model_name}-delete
x-filename-id: vecdb-models-model_name-delete
components:
schemas:
ModelItem:
type: object
properties:
model_name:
type: string
algorithm:
type: string
mining_function:
type: string
creation_date:
type: string
attributes:
type: array
items:
$ref: '#/components/schemas/ModelAttributeItem'
ModelAttributeItem:
type: object
properties:
name:
type: string
value:
type: string
data_type:
type: string
data_length:
type: number
vector_info:
type:
- string
- 'null'
ModelItemWithLinks:
allOf:
- $ref: '#/components/schemas/ModelItem'
- type: object
properties:
links:
type: array
items:
$ref: '#/components/schemas/LinkRelation'
VectorDebugFlags:
type: object
description: Debug flags to be used to trace vector modules
properties:
VECTOR_INDEX:
type: string
enum:
- low
- medium
- high
VECTOR_INDEX_NEIGHBOR_GRAPH:
type: string
enum:
- low
- medium
- high
VECTOR_INDEX_NEIGHBOR_GRAPH_BUILD:
type: string
enum:
- low
- medium
- high
VECTOR_INDEX_NEIGHBOR_GRAPH_MEM:
type: string
enum:
- low
- medium
- high
VECTOR_INDEX_NEIGHBOR_GRAPH_SEARCH:
type: string
enum:
- low
- medium
- high
VECTOR_INDEX_NEIGHBOR_GRAPH_APPCHNG:
type: string
enum:
- low
- medium
- high
VECTOR_INDEX_NEIGHBOR_GRAPH_STATS:
type: string
enum:
- low
- medium
- high
VECTOR_INDEX_NEIGHBOR_PARTITIONS:
type: string
enum:
- low
- medium
- high
VECTOR_INDEX_FIXED_VIEW:
type: string
enum:
- low
- medium
- high
VECIDX_TRANS:
type: string
enum:
- low
- medium
- high
VECIDX_TRANS_COM:
type: string
enum:
- low
- medium
- high
VECIDX_TRANS_PJ:
type: string
enum:
- low
- medium
- high
VECIDX_TRANS_PJ_DWNGRD:
type: string
enum:
- low
- medium
- high
VECIDX_TRANS_PJ_GROW:
type: string
enum:
- low
- medium
- high
VECIDX_TRANS_SJ:
type: string
enum:
- low
- medium
- high
VECIDX_TRANS_SJ_BG:
type: string
enum:
- low
- medium
- high
VEC_INDEX_CALIBRATION:
type: string
enum:
- low
- medium
- high
VECTOR_TRACE:
type: string
enum:
- low
- medium
- high
ModelsCollection:
type: object
properties:
items:
type: array
items:
$ref: '#/components/schemas/ModelItemWithLinks'
hasMore:
type: boolean
limit:
type: number
offset:
type: number
count:
type: number
links:
type: array
items:
$ref: '#/components/schemas/LinkRelation'
LinkRelation:
type: object
properties:
rel:
type: string
href:
type: string
required:
- rel
- href
ORDSErrorResponse:
type: object
required:
- code
- message
- type
- instance
properties:
code:
type: string
message:
type: string
type:
type: string
instance:
type: string
diagnosticTrace:
type: string
stackTrace:
type: string
securitySchemes:
BasicAuth:
type: http
scheme: basic
BearerAuth:
type: http
scheme: bearer
OAuth2:
type: oauth2
flows:
implicit:
authorizationUrl: /oauth/auth
scopes: {}
authorizationCode:
authorizationUrl: /oauth/auth
tokenUrl: /oauth/token
scopes: {}
clientCredentials:
tokenUrl: /oauth/token
scopes: {}
externalDocs:
description: Oracle REST Data Services product documentation.
url: https://docs.oracle.com/en/database/oracle/oracle-rest-data-services/