Apache Solr

Apache Solr is a popular, open source enterprise search platform built on Apache Lucene that provides full-text search, hit highlighting, faceted search, dynamic clustering, database integration, and rich document handling. Solr powers the search and navigation features of many of the world's largest internet sites and is highly scalable and reliable. Solr exposes a comprehensive HTTP/REST API (v1 and v2) for indexing, querying, and managing cores, collections, and configurations.

Apache Solr publishes 7 APIs on the APIs.io network, including Collections API, CollectionsAdminHandler API, Config API, and 4 more. Tagged areas include Search, Enterprise Search, Full-Text Search, Open-Source, and Lucene.

Apache Solr’s developer surface includes authentication, documentation, GitHub presence, engineering blog, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub

24.4/100 emerging ▬ flat Agent 26/100 agent aware Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0

AccessSelf serve

8 APIs

Search Enterprise Search Full-Text Search Open-SourceLuceneIndexing

Kin Score

Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0

Composite quality — 24.4/100 · emerging

Contract Quality 11.6 / 25

Developer Ergonomics 5.7 / 20

Access Clarity 0.0 / 20

Operational Transparency 0.7 / 13

Contract Governance 0.0 / 12

Discoverability 6.5 / 10

Agent readiness — 26/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 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

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/solr: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 8

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

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

Community

Community

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Downloads

Downloads

Source (apis.yml)

aid: solr
name: Apache Solr
description: Apache Solr is a popular, open source enterprise search platform built on Apache Lucene that provides full-text
  search, hit highlighting, faceted search, dynamic clustering, database integration, and rich document handling. Solr powers
  the search and navigation features of many of the world's largest internet sites and is highly scalable and reliable. Solr
  exposes a comprehensive HTTP/REST API (v1 and v2) for indexing, querying, and managing cores, collections, and configurations.
type: Index
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/solr.png
tags:
- Search
- Enterprise Search
- Full-Text Search
- Open-Source
- Lucene
- Indexing
tags_raw:
- Search
- Enterprise Search
- Full-Text Search
- Open Source
- Lucene
- Indexing
url: https://raw.githubusercontent.com/api-evangelist/solr/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.23'
apis:
- aid: solr:rest-api
  name: Apache Solr REST API
  description: HTTP/REST API for Apache Solr providing endpoints for querying, indexing, schema management, collections administration,
    and core administration. The v2 API uses RESTful resource paths under /api while the legacy v1 API uses /solr endpoints.
    Authentication is pluggable and supports Basic, JWT, and Certificate authentication.
  humanURL: https://solr.apache.org/guide/
  baseURL: http://localhost:8983/api
  tags:
  - Search
  - Indexing
  - Collection
  - Cores
  - Schema
  - Query
  tags_raw:
  - Search
  - Indexing
  - Collections
  - Cores
  - Schema
  - Query
  properties:
  - type: Documentation
    url: https://solr.apache.org/guide/
  - type: V2 API Reference
    url: https://solr.apache.org/guide/solr/latest/configuration-guide/v2-api.html
  - type: Collections API
    url: https://solr.apache.org/guide/solr/latest/configuration-guide/collections-api.html
  - type: Client APIs
    url: https://solr.apache.org/guide/solr/latest/deployment-guide/client-apis.html
- aid: solr:solr-collections-api
  name: Apache Solr Collections API
  description: Cluster-level collection management
  humanURL: https://solr.apache.org/guide/
  baseURL: http://localhost:8983/api
  tags:
  - Collection
  tags_raw:
  - Collections
  properties:
  - type: OpenAPI
    url: openapi/solr-collections-api-openapi.yml
- aid: solr:solr-collectionsadminhandler-api
  name: Apache Solr CollectionsAdminHandler API
  description: Legacy Collections admin handler endpoints
  humanURL: https://solr.apache.org/guide/
  baseURL: http://localhost:8983/api
  tags:
  - CollectionsAdminHandler
  properties:
  - type: OpenAPI
    url: openapi/solr-collectionsadminhandler-api-openapi.yml
- aid: solr:solr-config-api
  name: Apache Solr Config API
  description: Per-collection configuration operations
  humanURL: https://solr.apache.org/guide/
  baseURL: http://localhost:8983/api
  tags:
  - Config
  properties:
  - type: OpenAPI
    url: openapi/solr-config-api-openapi.yml
- aid: solr:solr-cores-api
  name: Apache Solr Cores API
  description: Node-level core administration
  humanURL: https://solr.apache.org/guide/
  baseURL: http://localhost:8983/api
  tags:
  - Cores
  properties:
  - type: OpenAPI
    url: openapi/solr-cores-api-openapi.yml
- aid: solr:solr-schema-api
  name: Apache Solr Schema API
  description: Per-collection schema operations
  humanURL: https://solr.apache.org/guide/
  baseURL: http://localhost:8983/api
  tags:
  - Schema
  properties:
  - type: OpenAPI
    url: openapi/solr-schema-api-openapi.yml
- aid: solr:solr-shards-api
  name: Apache Solr Shards API
  description: Shard management for collections
  humanURL: https://solr.apache.org/guide/
  baseURL: http://localhost:8983/api
  tags:
  - Shards
  properties:
  - type: OpenAPI
    url: openapi/solr-shards-api-openapi.yml
- aid: solr:solr-update-api
  name: Apache Solr Update API
  description: Per-collection document update operations
  humanURL: https://solr.apache.org/guide/
  baseURL: http://localhost:8983/api
  tags: []
  tags_raw:
  - Update
  properties:
  - type: OpenAPI
    url: openapi/solr-update-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/solr-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/solr-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/solr-domain-security.yml
- type: Authentication
  url: authentication/solr-authentication.yml
- type: Website
  url: https://solr.apache.org/
- type: Documentation
  url: https://solr.apache.org/guide/
- type: GitHub
  url: https://github.com/apache/solr
- type: Downloads
  url: https://solr.apache.org/downloads.html
- type: Community
  url: https://solr.apache.org/community.html
- url: https://solr.apache.org/feeds/solr/news.atom.xml
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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