Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/openmetadata-rdf-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: OpenMetadata APIs Agent Executions RDF API
description: Common types and API definition for OpenMetadata
contact:
name: OpenMetadata
url: https://open-metadata.org
email: openmetadata-dev@googlegroups.com
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
version: '1.13'
servers:
- url: /api
description: Current Host
- url: http://localhost:8585/api
description: Endpoint URL
security:
- BearerAuth: []
tags:
- name: RDF
description: APIs for RDF and SPARQL operations
paths:
/v1/rdf/debug/glossary-relations:
get:
tags:
- RDF
summary: Debug glossary term relations in RDF
description: Diagnostic endpoint to inspect what predicates are stored between glossary terms in the RDF store
operationId: debugGlossaryRelations
responses:
'200':
description: Debug information about glossary term relations
content:
application/json: {}
'503':
description: RDF service not enabled
/v1/rdf/graph/explore:
get:
tags:
- RDF
summary: Explore entity graph
description: Get graph data for an entity with relationships up to specified depth
operationId: exploreEntityGraph
parameters:
- name: entityId
in: query
description: Entity ID
required: true
schema:
type: string
format: uuid
- name: entityType
in: query
description: Entity type
required: true
schema:
type: string
- name: depth
in: query
description: Depth of relationships to explore
schema:
type: integer
format: int32
default: 2
- name: entityTypes
in: query
description: Comma-separated entity types to keep in the graph
schema:
type: string
- name: relationshipTypes
in: query
description: Comma-separated relationship types to keep in the graph
schema:
type: string
responses:
'200':
description: Graph data with nodes and edges
content:
application/json: {}
'404':
description: Entity not found
'503':
description: RDF service not enabled
/v1/rdf/graph/explore/export:
get:
tags:
- RDF
summary: Export explored entity graph
description: Export the currently explored entity graph in Turtle or JSON-LD format
operationId: exportEntityGraph
parameters:
- name: entityId
in: query
description: Entity ID
required: true
schema:
type: string
format: uuid
- name: entityType
in: query
description: Entity type
required: true
schema:
type: string
- name: depth
in: query
description: Depth of relationships to explore
schema:
type: integer
format: int32
default: 2
- name: entityTypes
in: query
description: Comma-separated entity types to keep in the graph
schema:
type: string
- name: relationshipTypes
in: query
description: Comma-separated relationship types to keep in the graph
schema:
type: string
- name: format
in: query
description: 'Export format: turtle or jsonld'
schema:
type: string
default: turtle
responses:
'200':
description: Entity graph exported successfully
'400':
description: Invalid request
'503':
description: RDF service not enabled
/v1/rdf/glossary/{id}/export:
get:
tags:
- RDF
summary: Export glossary as ontology
description: Export a glossary with all its terms and relationships as an ontology in RDF format (Turtle, RDF/XML, N-Triples, or JSON-LD). Includes SKOS vocabulary for semantic interoperability.
operationId: exportGlossaryAsOntology
parameters:
- name: id
in: path
description: Glossary ID
required: true
schema:
type: string
format: uuid
- name: format
in: query
description: RDF format (turtle, rdfxml, ntriples, jsonld)
schema:
type: string
default: turtle
- name: includeRelations
in: query
description: Include term relations
schema:
type: boolean
default: true
responses:
'200':
description: Glossary exported as ontology
content:
text/turtle: {}
application/rdf+xml: {}
application/n-triples: {}
application/ld+json: {}
'404':
description: Glossary not found
'503':
description: RDF service not enabled
/v1/rdf/search/similar/{entityType}/{id}:
get:
tags:
- RDF
summary: Find similar entities
description: Find entities similar to the given entity using semantic analysis
operationId: findSimilarEntities
parameters:
- name: entityType
in: path
description: Entity type
required: true
schema:
type: string
- name: id
in: path
description: Entity ID
required: true
schema:
type: string
format: uuid
- name: limit
in: query
description: Maximum number of results
schema:
type: integer
format: int32
default: 10
responses:
'200':
description: Similar entities
content:
application/json: {}
'404':
description: Entity not found
'503':
description: Service unavailable
/v1/rdf/entity/{entityType}/{id}:
get:
tags:
- RDF
summary: Get entity as RDF
description: Retrieve an entity in RDF format (JSON-LD, Turtle, RDF/XML, N-Triples)
operationId: getEntityAsRdf
parameters:
- name: entityType
in: path
description: Entity type
required: true
schema:
type: string
- name: id
in: path
description: Entity id
required: true
schema:
type: string
format: uuid
- name: format
in: query
description: RDF format
schema:
type: string
default: jsonld
responses:
'200':
description: Entity in requested RDF format
content:
application/ld+json: {}
text/turtle: {}
application/rdf+xml: {}
application/n-triples: {}
'404':
description: Entity not found
'503':
description: RDF service not enabled
/v1/rdf/inference/lineage/{entityId}:
get:
tags:
- RDF
summary: Get full lineage with inference
description: Get complete upstream and downstream lineage including transitive relationships
operationId: getFullLineage
parameters:
- name: entityId
in: path
description: Entity ID
required: true
schema:
type: string
format: uuid
- name: entityType
in: query
description: Entity type
required: true
schema:
type: string
- name: direction
in: query
description: Direction (upstream, downstream, both)
schema:
type: string
default: both
responses:
'200':
description: Lineage retrieved successfully
'404':
description: Entity not found
/v1/rdf/glossary/graph:
get:
tags:
- RDF
summary: Get glossary term relationship graph
description: Get all glossary terms and their relationships as a graph. Supports filtering by glossary and pagination for large datasets.
operationId: getGlossaryTermGraph
parameters:
- name: glossaryId
in: query
description: Filter by glossary ID (UUID)
schema:
type: string
format: uuid
- name: relationTypes
in: query
description: Filter by relation types (comma-separated)
schema:
type: string
- name: limit
in: query
description: Maximum number of terms to return
schema:
type: integer
format: int32
default: 500
- name: offset
in: query
description: Offset for pagination
schema:
type: integer
format: int32
default: 0
- name: includeIsolated
in: query
description: Include isolated terms (terms without relations)
schema:
type: boolean
default: true
responses:
'200':
description: Graph data with nodes and edges
content:
application/json: {}
'503':
description: RDF service not enabled
/v1/rdf/status:
get:
tags:
- RDF
summary: Get RDF service status
description: Check RDF service status including inference configuration
operationId: getRdfStatus
responses:
'200':
description: RDF service status with inference information
content:
application/json: {}
/v1/rdf/search/recommendations/{userId}:
get:
tags:
- RDF
summary: Get personalized recommendations
description: Get entity recommendations based on user's interaction history
operationId: getRecommendations
parameters:
- name: userId
in: path
description: User ID
required: true
schema:
type: string
format: uuid
- name: type
in: query
description: Entity type for recommendations
schema:
type: string
- name: limit
in: query
description: Maximum number of results
schema:
type: integer
format: int32
default: 10
responses:
'200':
description: Recommended entities
content:
application/json: {}
'404':
description: User not found
'503':
description: Service unavailable
/v1/rdf/sparql:
get:
tags:
- RDF
summary: Execute SPARQL query via GET
description: Execute a SPARQL query against the RDF store using GET method
operationId: querySparqlGet
parameters:
- name: query
in: query
description: SPARQL query string
required: true
schema:
type: string
- name: format
in: query
description: Response format (json, xml, csv, tsv)
schema:
type: string
default: json
- name: inference
in: query
description: Enable inference/reasoning (none, rdfs, owl, custom)
schema:
type: string
default: none
responses:
'200':
description: Query executed successfully
content:
application/json: {}
'400':
description: Invalid query
'500':
description: Internal server error
post:
tags:
- RDF
summary: Execute SPARQL query via POST
description: Execute a SPARQL query against the RDF store using POST method
operationId: querySparqlPost
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/SparqlQuery'
responses:
'200':
description: Query executed successfully
content:
application/json: {}
'400':
description: Invalid query
'500':
description: Internal server error
/v1/rdf/search/semantic:
get:
tags:
- RDF
summary: Semantic search across entities
description: Search for entities using semantic understanding and graph relationships
operationId: semanticSearch
parameters:
- name: q
in: query
description: Search query
required: true
schema:
type: string
- name: type
in: query
description: Entity type to search
schema:
type: string
example: table
- name: limit
in: query
description: Maximum number of results
schema:
type: integer
format: int32
default: 10
responses:
'200':
description: Search results
content:
application/json: {}
'400':
description: Invalid request
'503':
description: Service unavailable
/v1/rdf/sparql/update:
post:
tags:
- RDF
summary: Execute SPARQL UPDATE
description: Execute a SPARQL UPDATE operation (INSERT, DELETE, etc.)
operationId: updateSparql
requestBody:
description: SPARQL UPDATE query
content:
application/json:
schema:
$ref: '#/components/schemas/SparqlQuery'
required: true
responses:
'200':
description: Update executed successfully
'400':
description: Invalid update query
'403':
description: Forbidden - insufficient permissions
'500':
description: Internal server error
components:
schemas:
SparqlQuery:
required:
- query
type: object
properties:
query:
type: string
format:
type: string
enum:
- json
- xml
- csv
- tsv
- turtle
- rdfxml
- ntriples
- jsonld
timeout:
maximum: 300000
minimum: 0
type: integer
format: int32
defaultGraphUri:
type: string
format: uri
namedGraphUri:
type: array
items:
type: string
format: uri
inference:
type: string
enum:
- none
- rdfs
- owl
- custom
securitySchemes:
BearerAuth:
type: http
scheme: bearer
bearerFormat: JWT