Apache HTTP Server

Apache HTTP Server (httpd) is the world's most widely used web server software. It serves static and dynamic content, acts as a reverse proxy and load balancer, and exposes a mod_status monitoring API and balancer-manager management interface for operational visibility.

Apache HTTP Server publishes 2 APIs on the APIs.io network: Balancer API and Status API. Tagged areas include Apache, Load Balancer, Open-Source, Proxy, and Reverse Proxy.

The Apache HTTP Server catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Apache HTTP Server’s developer surface includes documentation, getting-started guide, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

33.7/100 thin ▬ flat Agent 17/100 agent aware self hosted · Apache-2.0 Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreemium

1 APIs 8 Features 5 Use Cases

Apache Load Balancer Open-Source Proxy Reverse Proxy Web Server

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 33.7/100 · thin

Contract Quality 10.5 / 20

Developer Ergonomics 3.4 / 16

Access Clarity 2.5 / 16

Operational Transparency 2.2 / 10

Contract Governance 2.8 / 10

Discoverability 4.7 / 8

Open Source Surface 5.0 / 10

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 17/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Open Source Surface applies to this provider. This product is open source and we read its repository directly, so Open Source Surface carries 10 points of the composite. It is scored from what the repository actually publishes — a security policy, a contribution guide, a release history, a code of conduct — read live from the provider rather than inferred from our own catalog pointers. This facet adds; nothing was taken away to make room for it. An open-source project is not excused from the commercial facets, because exemption would strip it of the points it does earn. If we have the wrong repository, or this product is not open source, say so on your provider repo and we will drop the facet rather than have you publish against it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 80 points between them, because the conditional facet above carries the other 20. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 80% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/apache-httpd: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 3

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

Apache HTTP Server Configuration Reference

Configuration directive reference for Apache HTTP Server covering VirtualHost, mod_ssl, mod_rewrite, mod_proxy, and all core directives for web server, proxy, and SSL configurat...

Apache HTTP Server Balancer API

Load balancer management

Apache HTTP Server Status API

Server status and metrics

Open Collections 4

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

API Collection

OPEN COLLECTION

Apache HTTP Server Status Balancer API

OPEN COLLECTION

Apache HTTP Server Balancer Status API

OPEN COLLECTION

Apache HTTP Server Status API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Apache Httpd Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Apache Httpd Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Apache Httpd Finops

FINOPS

Features 8

Notable capabilities this provider offers.

mod_status Monitoring

Real-time server status endpoint providing request rates, worker states, and CPU usage.

mod_proxy Reverse Proxy

Full-featured reverse proxy with HTTP, HTTPS, WebSocket, and AJP protocol support.

mod_proxy_balancer Load Balancing

Load balancing across backend servers with byrequests, bytraffic, and bybusyness algorithms.

mod_ssl TLS Termination

TLS/SSL termination with client certificate authentication and OCSP stapling support.

mod_rewrite URL Rewriting

Powerful rule-based URL rewriting engine for redirects, proxying, and access control.

Virtual Hosting

Name-based and IP-based virtual hosting for serving multiple domains from a single server.

CGI and FastCGI

CGI and FastCGI support for dynamic content generation with external applications.

.htaccess Per-Directory Config

Per-directory configuration files for decentralized access control and configuration.

Scroll for all 8

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Apache Httpd Status Context

26 classes · 0 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Apache HTTP Server API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Apache HTTP Server API Rules

11 rules · 2 errors 7 warnings 2 info

SPECTRAL

JSON Schema 4

Standalone JSON Schema definitions for this provider's data models.

BalancerMember

6 properties

JSON SCHEMA

ProxyBalancer

4 properties

JSON SCHEMA

ServerStatus

11 properties

JSON SCHEMA

VirtualHost

7 properties

JSON SCHEMA

JSON Structure 4

JSON Structure definitions describing this provider's data shapes.

Httpd Balancermember Structure

6 properties

JSON STRUCTURE

Httpd Proxybalancer Structure

4 properties

JSON STRUCTURE

Httpd Serverstatus Structure

11 properties

JSON STRUCTURE

Httpd Virtualhost Structure

7 properties

JSON STRUCTURE

Examples 4

Example request and response payloads for these APIs.

Httpd Balancermember Example

6 fields

EXAMPLE

Httpd Proxybalancer Example

4 fields

EXAMPLE

Httpd Serverstatus Example

11 fields

EXAMPLE

Httpd Virtualhost Example

7 fields

EXAMPLE

Security Posture 2

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

Apache Httpd Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Apache Httpd Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

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

Apache Httpd Agentic Access

4 operations · 1 acting

AGENTIC

Use Cases 5

What developers build with this provider.

Static Web Hosting

Serve HTML, CSS, JavaScript, and media files with high performance and caching headers.

Reverse Proxy for Applications

Proxy requests to application servers (Node.js, Python, Java) with SSL termination.

Load Balancing

Distribute traffic across multiple backend application instances with health checking.

API Gateway

Route and transform API requests using mod_rewrite and mod_proxy rules.

Legacy CGI Application Hosting

Run legacy CGI or PHP applications via mod_cgi, mod_fcgid, or mod_php.

Integrations 5

Pre-built integrations with other platforms and tools.

mod_php

Embeds PHP interpreter directly in the Apache process for PHP application hosting.

Tomcat AJP Connector

AJP protocol integration with Apache Tomcat for Java web application proxying.

Let's Encrypt / Certbot

Automated TLS certificate provisioning with Certbot and the mod_md module.

Nginx

Often deployed alongside Nginx, with Nginx handling static files and Apache handling dynamic content.

ModSecurity WAF

ModSecurity web application firewall module for OWASP rule-based request filtering.

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

SpectralRules

SpectralRules

Vocabulary

Vocabulary

Build 3

SDKs, sample code, and the tooling you integrate with

CodeOfConduct

CodeOfConduct

GitHubOrganization

GitHubOrganization

GitHubRepository

GitHubRepository

Access & Security 3

Authentication, authorization, and security posture

SecurityPolicy

SecurityPolicy

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Commercial 1

Pricing, plans, and the legal terms of use

License

License

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: apache-httpd
name: Apache HTTP Server
description: Apache HTTP Server (httpd) is the world's most widely used web server software. It serves static and dynamic
  content, acts as a reverse proxy and load balancer, and exposes a mod_status monitoring API and balancer-manager management
  interface for operational visibility.
type: Index
deliveryModel:
  model: self-hosted
  license: Apache-2.0
  open_source: true
  commercial: false
  callable_host: false
  label: Self-hosted open source · you run it yourself
  confidence: high
  source:
  - license
  - openapi
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consuming
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/apache-httpd.png
tags:
- Apache
- Load Balancer
- Open-Source
- Proxy
- Reverse Proxy
- Web Server
tags_raw:
- Apache
- Load Balancer
- Open Source
- Proxy
- Reverse Proxy
- Web Server
created: '2026-03-16'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/apache-httpd/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: apache-httpd:apache-httpd-config-api
  name: Apache HTTP Server Configuration Reference
  description: Configuration directive reference for Apache HTTP Server covering VirtualHost, mod_ssl, mod_rewrite, mod_proxy,
    and all core directives for web server, proxy, and SSL configuration.
  humanURL: https://httpd.apache.org/docs/current/mod/directives.html
  tags:
  - Configuration
  - Reference
  properties:
  - type: Documentation
    url: https://httpd.apache.org/docs/current/mod/directives.html
- aid: apache-httpd:apache-httpd-balancer-api
  name: Apache HTTP Server Balancer API
  description: Load balancer management
  humanURL: https://httpd.apache.org/docs/current/mod/mod_status.html
  baseURL: http://localhost:80
  tags:
  - Balancer
  properties:
  - type: OpenAPI
    url: openapi/apache-httpd-balancer-api-openapi.yml
  - type: Documentation
    url: https://httpd.apache.org/docs/current/mod/mod_status.html
  - type: JSONSchema
    url: json-schema/httpd-serverstatus-schema.json
  - type: JSONLD
    url: json-ld/apache-httpd-status-context.jsonld
- aid: apache-httpd:apache-httpd-status-api
  name: Apache HTTP Server Status API
  description: Server status and metrics
  humanURL: https://httpd.apache.org/docs/current/mod/mod_status.html
  baseURL: http://localhost:80
  tags:
  - Status
  properties:
  - type: OpenAPI
    url: openapi/apache-httpd-status-api-openapi.yml
  - type: Documentation
    url: https://httpd.apache.org/docs/current/mod/mod_status.html
  - type: JSONSchema
    url: json-schema/httpd-serverstatus-schema.json
  - type: JSONLD
    url: json-ld/apache-httpd-status-context.jsonld
common:
- type: Website
  url: https://www.apache.org/
- type: SecurityPolicy
  url: https://github.com/apache/httpd/blob/trunk/SECURITY.md
- type: CodeOfConduct
  url: https://github.com/apache/.github/blob/main/.github/CODE_OF_CONDUCT.md
- type: License
  name: Apache-2.0
  url: https://github.com/apache/httpd/blob/trunk/LICENSE
- type: AgenticAccess
  url: agentic-access/apache-httpd-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/apache-httpd-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/apache-httpd-domain-security.yml
- type: Documentation
  url: https://httpd.apache.org/docs/current/
- type: GettingStarted
  url: https://httpd.apache.org/docs/current/getting-started.html
- type: GitHubOrganization
  url: https://github.com/apache
- type: GitHubRepository
  url: https://github.com/apache/httpd
- type: SpectralRules
  url: rules/apache-httpd-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/apache-httpd-vocabulary.yaml
- type: Features
  data:
  - name: mod_status Monitoring
    description: Real-time server status endpoint providing request rates, worker states, and CPU usage.
  - name: mod_proxy Reverse Proxy
    description: Full-featured reverse proxy with HTTP, HTTPS, WebSocket, and AJP protocol support.
  - name: mod_proxy_balancer Load Balancing
    description: Load balancing across backend servers with byrequests, bytraffic, and bybusyness algorithms.
  - name: mod_ssl TLS Termination
    description: TLS/SSL termination with client certificate authentication and OCSP stapling support.
  - name: mod_rewrite URL Rewriting
    description: Powerful rule-based URL rewriting engine for redirects, proxying, and access control.
  - name: Virtual Hosting
    description: Name-based and IP-based virtual hosting for serving multiple domains from a single server.
  - name: CGI and FastCGI
    description: CGI and FastCGI support for dynamic content generation with external applications.
  - name: .htaccess Per-Directory Config
    description: Per-directory configuration files for decentralized access control and configuration.
- type: UseCases
  data:
  - name: Static Web Hosting
    description: Serve HTML, CSS, JavaScript, and media files with high performance and caching headers.
  - name: Reverse Proxy for Applications
    description: Proxy requests to application servers (Node.js, Python, Java) with SSL termination.
  - name: Load Balancing
    description: Distribute traffic across multiple backend application instances with health checking.
  - name: API Gateway
    description: Route and transform API requests using mod_rewrite and mod_proxy rules.
  - name: Legacy CGI Application Hosting
    description: Run legacy CGI or PHP applications via mod_cgi, mod_fcgid, or mod_php.
- type: Integrations
  data:
  - name: mod_php
    description: Embeds PHP interpreter directly in the Apache process for PHP application hosting.
  - name: Tomcat AJP Connector
    description: AJP protocol integration with Apache Tomcat for Java web application proxying.
  - name: Let's Encrypt / Certbot
    description: Automated TLS certificate provisioning with Certbot and the mod_md module.
  - name: Nginx
    description: Often deployed alongside Nginx, with Nginx handling static files and Apache handling dynamic content.
  - name: ModSecurity WAF
    description: ModSecurity web application firewall module for OWASP rule-based request filtering.
maintainers:
- FN: Kin Lane
  email: info@apievangelist.com

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