SPARQL website screenshot

SPARQL

SPARQL (SPARQL Protocol and RDF Query Language) is a W3C Recommendation that provides a standardized query language for retrieving and manipulating data stored in Resource Description Framework (RDF) format. It includes a protocol for submitting queries and updates over HTTP, a JSON results format for SELECT and ASK queries, and a Graph Store HTTP Protocol for managing RDF graphs.

SPARQL publishes 5 APIs on the APIs.io network, including Query API, Sparql API, Sparql Graph API, and 2 more. Tagged areas include Linked Data, Query Language, RDF, Semantic Web, and SPARQL.

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34.9/100 thin ▬ flat Agent 28/100 agent aware Full breakdown ↓
scored 2026-08-10 · rubric v0.9.1
AccessFreemium
6 APIs
Linked DataQuery LanguageRDFSemantic WebSPARQLW3C

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-10 · rubric v0.9.1
Composite quality — 34.9/100 · thin
Contract Quality 15.3 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 7.6 / 10
Agent readiness — 28/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

SPARQL Protocol API

Standard SPARQL 1.1 Protocol HTTP endpoints for executing queries and updates against RDF datasets, plus the Graph Store HTTP Protocol for direct management of named graphs and ...

SPARQL Query API

SPARQL query operation

SPARQL Sparql API

The Sparql API from SPARQL — 1 operation(s) for sparql.

SPARQL Sparql Graph API

The Sparql Graph API from SPARQL — 1 operation(s) for sparql graph.

SPARQL Sparql Update API

The Sparql Update API from SPARQL — 1 operation(s) for sparql update.

SPARQL Update API

SPARQL update operation

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

SPARQL 1.1 Protocol

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Sparql Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Sparql Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Sparql Finops

FINOPS

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Sparql Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Sparql Agentic Access

3 operations · 2 acting

3 operations · 2 acting

AGENTIC

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Source (apis.yml)

apis.yml Raw ↑ 
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/sparql.png
name: SPARQL
description: SPARQL (SPARQL Protocol and RDF Query Language) is a W3C Recommendation that provides a standardized query language
  for retrieving and manipulating data stored in Resource Description Framework (RDF) format. It includes a protocol for submitting
  queries and updates over HTTP, a JSON results format for SELECT and ASK queries, and a Graph Store HTTP Protocol for managing
  RDF graphs.
url: https://www.w3.org/TR/sparql11-overview/
tags:
- Linked Data
- Query Language
- RDF
- Semantic Web
- SPARQL
- W3C
created: '2025'
modified: '2026-03-16'
apis:
- name: SPARQL Protocol API
  description: Standard SPARQL 1.1 Protocol HTTP endpoints for executing queries and updates against RDF datasets, plus the
    Graph Store HTTP Protocol for direct management of named graphs and the default graph, as defined by the W3C Recommendation.
  humanURL: https://www.w3.org/TR/sparql11-protocol/
  baseURL: https://dbpedia.org/sparql
  version: '1.1'
  tags:
  - Graph Store
  - Query
  - RDF
  - SPARQL
  - Update
  properties:
  - type: x-openapi
    url: openapi/_original/openapi.yml
  - type: x-json-schema
    url: json-schema.json
  - type: x-json-ld-context
    url: json-ld-context.jsonld
  - type: x-documentation
    url: https://www.w3.org/TR/sparql11-overview/
  - type: x-specification
    url: https://www.w3.org/TR/sparql11-protocol/
  - type: x-specification
    url: https://www.w3.org/TR/sparql11-query/
  - type: x-specification
    url: https://www.w3.org/TR/sparql11-results-json/
  contact:
  - type: x-website
    url: https://www.w3.org/
  - type: x-github
    url: https://github.com/w3c/sparql-query
- aid: sparql:sparql-query-api
  name: SPARQL Query API
  description: SPARQL query operation
  humanURL: https://www.w3.org/TR/sparql11-protocol/
  baseURL: https://dbpedia.org/sparql
  tags:
  - Query
  properties:
  - type: OpenAPI
    url: openapi/sparql-query-api-openapi.yml
- aid: sparql:sparql-sparql-api
  name: SPARQL Sparql API
  description: The Sparql API from SPARQL — 1 operation(s) for sparql.
  humanURL: https://www.w3.org/TR/sparql11-protocol/
  baseURL: https://dbpedia.org/sparql
  tags:
  - Sparql
  properties:
  - type: OpenAPI
    url: openapi/sparql-sparql-api-openapi.yml
- aid: sparql:sparql-sparql-graph-api
  name: SPARQL Sparql Graph API
  description: The Sparql Graph API from SPARQL — 1 operation(s) for sparql graph.
  humanURL: https://www.w3.org/TR/sparql11-protocol/
  baseURL: https://dbpedia.org/sparql
  tags:
  - Sparql Graph
  properties:
  - type: OpenAPI
    url: openapi/sparql-sparql-graph-api-openapi.yml
- aid: sparql:sparql-sparql-update-api
  name: SPARQL Sparql Update API
  description: The Sparql Update API from SPARQL — 1 operation(s) for sparql update.
  humanURL: https://www.w3.org/TR/sparql11-protocol/
  baseURL: https://dbpedia.org/sparql
  tags:
  - Sparql Update
  properties:
  - type: OpenAPI
    url: openapi/sparql-sparql-update-api-openapi.yml
- aid: sparql:sparql-update-api
  name: SPARQL Update API
  description: SPARQL update operation
  humanURL: https://www.w3.org/TR/sparql11-protocol/
  baseURL: https://dbpedia.org/sparql
  tags:
  - Update
  properties:
  - type: OpenAPI
    url: openapi/sparql-update-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/sparql-agentic-access.yml
- type: DomainSecurity
  url: security/sparql-domain-security.yml