Apache HttpComponents
Apache HttpComponents is a set of Java HTTP components, including a feature-rich HTTP client (HttpClient 5.x) and HTTP server components. It provides connection pooling, async I/O, TLS/SSL support, authentication, cookie management, and content negotiation for Java applications making HTTP requests.
Limited machine-readable signal and partial portal coverage — documentation a human can read, but little a machine or agent can consume without scraping.
API Evangelist profiles Apache HttpComponents the way a machine reads it — 45 machine-readable artifacts across 1 API, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Apache HttpComponents scores 35.9/100 (thin), with a separate agent-readiness read of 17/100 (agent aware). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.
Kin Score
How this is scored →scored 2026-09-10 · rubric v0.20.0
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How we profile Apache HttpComponents
Each block below is one kind of artifact we hold for Apache HttpComponents. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 3
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Apache HttpComponents Java SDK
Maven artifact for Apache HttpComponents HttpClient 5.x providing full HTTP client functionality including fluent API, async client, and reactive streams support.
Apache HttpComponents Configuration API
Client configuration operations
Apache HttpComponents Requests API
HTTP request execution operations
Open Collections 4
Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
API Collection
OPEN COLLECTIONApache HttpComponents Client API
OPEN COLLECTIONApache HttpComponents Client Configuration API
OPEN COLLECTIONApache HttpComponents Client Configuration Requests API
OPEN COLLECTIONPricing Plans 1
Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the things the Kin Score reads for access clarity — renamed from commercial clarity in rubric 0.12, because a free statutory interface has access terms and no commercial ones.
Published pricing tiers and plan structures.
Rate Limits 1
Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.
Documented rate limits and quota policies.
Apache Http Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.
Cost, billing, and metering signals for API financial operations.
Apache Http Finops
FINOPSFeatures 8
The notable capabilities this provider advertises, captured as structured features so they can be searched and compared instead of read one landing page at a time.
Notable capabilities this provider offers.
Connection Pooling
Configurable connection pool with per-route and total connection limits for efficient HTTP connection reuse.
Async HTTP Client
Non-blocking async HTTP client based on Java NIO for high-concurrency request execution.
TLS/SSL Support
Full TLS/SSL support with customizable trust stores, client certificates, and hostname verification.
Authentication Framework
Pluggable authentication framework supporting Basic, Digest, NTLM, and Bearer token schemes.
Cookie Management
RFC-compliant cookie management with customizable cookie stores and policies.
Proxy Support
HTTP, HTTPS, and SOCKS proxy support with proxy authentication.
Content Negotiation
Built-in content encoding, compression (gzip/deflate), and charset negotiation.
Fluent API
High-level fluent API for simplified one-liner HTTP request execution.
Scroll within the panel for all 8 ·
Semantic Vocabularies 1
JSON-LD contexts give the data shared meaning across APIs. We profile them because semantics are what let a machine reconcile 'customer' here with 'customer' somewhere else.
JSON-LD contexts and semantic vocabularies used across these APIs.
Apache Http Client Context
JSON-LDSpectral Rules 2
Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.
Apache HttpComponents API Rules
SPECTRALApache HttpComponents API Rules
SPECTRALJSON Schema 4
Standalone JSON Schema definitions describe the data models behind the API. We profile them so the shapes are validatable on their own — useful long after a single request is forgotten.
Standalone JSON Schema definitions for this provider's data models.
JSON Structure 4
JSON Structure captures the data shapes in a form built for tooling — a complement to JSON Schema that keeps the model machine-legible.
JSON Structure definitions describing this provider's data shapes.
Http Client Connectionconfig Structure
JSON STRUCTUREHttp Client Httprequest Structure
JSON STRUCTUREHttp Client Httpresponse Structure
JSON STRUCTUREHttp Client Proxyconfig Structure
JSON STRUCTUREExamples 4
Real request and response payloads are what turn a spec from abstract into obvious — and they're one of the twelve things an agent needs to call an API correctly on the first try.
Example request and response payloads for these APIs.
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.
Recommended x-agentic-access execution contracts for AI agents.
Use Cases 5
What developers actually build with this provider — captured so the catalogue answers 'what is this for', not just 'what does this expose'.
What developers build with this provider.
REST API Client Integration
Consume REST APIs from Java applications with connection pooling and retry logic.
Web Scraping
Crawl and fetch web content with cookie handling and redirect following.
Microservices HTTP Communication
Make service-to-service HTTP calls with connection reuse and timeout configuration.
Authentication Token Refresh
Implement OAuth2 token refresh flows using the authentication interceptor framework.
File Upload and Download
Stream large file uploads and downloads via multipart or chunked transfer encoding.
Integrations 4
Pre-built integrations with other platforms tell you where this provider already fits in a stack.
Pre-built integrations with other platforms and tools.
Spring Framework
Spring RestTemplate and WebClient use Apache HttpComponents as a configurable HTTP backend.
Apache CXF
Apache CXF JAX-RS client uses HttpComponents for HTTP transport in web service calls.
Elasticsearch Java Client
Elasticsearch Java client uses HttpComponents for transport-layer HTTP communication.
Apache Solr
Apache Solr Java client (SolrJ) uses HttpComponents for Solr HTTP API calls.
Resources
Every other property we hold for Apache HttpComponents — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 1
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Commercial 1
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
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This is an independent, third-party profile of Apache HttpComponents, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
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