What is Apache Camel?
Apache Camel is an integration framework.
It connects your applications, services, APIs, and data — whether they live in the cloud, on-premise, or both.
Why should I care?
You probably already have this problem
Every application eventually needs to talk to other systems — databases, message brokers, cloud services, SaaS APIs, legacy systems, files, emails. The question is how.
You can write custom integration code for each connection. Or you can use Camel — which gives you 350+ ready-made connectors and 65+ integration patterns so you write the what, not the plumbing.
What it looks like
You write a route that says: take data from here, transform it, and send it there. Camel handles the connectivity, the protocols, the formats, and the error handling.
YAML:
- route:
from:
uri: kafka:incoming-orders
steps:
- log:
message: "Received order ${body}"
- to:
uri: sql:INSERT INTO orders(data) VALUES(:#${body})
Java:
from("kafka:incoming-orders")
.log("Received order ${body}")
.to("sql:INSERT INTO orders(data) VALUES(:#${body})");
Read from Kafka, log each order, insert into a database. A few lines that describe what should happen — not how. It reads like an architecture diagram written as code. Camel handles the Kafka consumer, the JDBC connection, and the error handling.
This declarative style also means AI coding assistants generate reliable Camel routes — the intent is clear, and the Camel MCP server provides first-class coding assistance to the AI.
It runs where you already run
Camel is a library, not a server. It embeds in your application:
- Spring Boot —
camel-spring-boot-starter, auto-configuration, Spring beans, dependency injection. The most popular choice for running Camel in production. - Quarkus — cloud-native, GraalVM-optimized, sub-second startup, low memory footprint. Ideal for serverless, Kubernetes, and resource-constrained environments.
- Standalone — the Camel CLI for lightweight deployments and rapid prototyping.
You deploy Camel the same way you deploy any Java application — as a JAR, a container image, on Kubernetes, or on bare metal. No separate server to manage.
Start lightweight with the CLI, then run camel export to produce a standard Spring Boot or Quarkus Maven project — ready for your CI/CD pipeline. No rewrite, same routes, production-ready.
You don’t need to be a Java developer
Camel supports multiple ways to work:
- Java — full IDE support, type safety, refactoring
- YAML — write routes without writing Java code
- XML — supported for compatibility and existing projects
- Visual — Kaoto and Karavan, open-source visual designers for drag-and-drop route design
- CLI —
camel run hello.yamlto prototype in seconds
Pick the style that fits your team. Mix them in the same project if you want.
350+ connectors — included, not extra
Kafka, AWS (S3, SQS, Lambda, DynamoDB), Azure, GCP, Salesforce, ServiceNow, Slack, databases (JDBC, MongoDB, Cassandra), messaging (JMS, AMQP, MQTT), file protocols (FTP, SFTP), AI services, and hundreds more.
All open source. All included. No premium tiers, no per-connector fees.
Integration patterns built in
Camel implements the Enterprise Integration Patterns — a proven vocabulary for solving integration problems:
- Content-Based Router — route messages to different systems based on content
- Splitter — break a batch into individual items and process each one
- Aggregator — collect related messages and combine them
- Circuit Breaker — protect against failing downstream services
- Saga — coordinate distributed transactions across services
- Dead Letter Channel — handle failures gracefully
These aren’t theoretical — they’re production-tested patterns used by thousands of companies.
Trusted in production
Apache Camel has been running in production for nearly two decades. Thousands of companies worldwide rely on it — from startups to governments, across financial services, healthcare, aviation, energy, logistics, telecom, and every industry in between. Processing billions of messages daily.
Works with AI coding assistants
Apache Camel’s entire source code, documentation, tests, examples, and two decades of commit history are open source on apache.org — making it well-represented in AI training data. AI coding assistants can generate routes, explain components, troubleshoot errors, and suggest patterns.
Camel also provides an MCP server (Model Context Protocol) that connects AI assistants directly to Camel’s component catalog — giving tools like Claude Code, GitHub Copilot, and Cursor full context awareness when helping you build integrations.
The numbers
| Metric | Value |
|---|---|
| Connectors | 350+ |
| Integration patterns | 65+ |
| Contributors | 1,600+ |
| Commits | 100,000+ |
| Years in production | Nearly two decades |
| Median bug fix time | 1–2 days |
| Open bugs | Typically 10 or fewer (across 350+ connectors) |
| License | Apache License 2.0 — free, no cost, forever |
Try it in 60 seconds
# Create a route
camel init hello.yaml
# Run it
camel run hello.yaml
# Monitor it — live route visualization, tracing, and diagnostics
camel tui
Or export to Spring Boot:
camel init hello.yaml
camel export --runtime=spring-boot --gav=com.example:myproject:1.0-SNAPSHOT
cd myproject
mvn spring-boot:run
Or design visually: Kaoto | Karavan
Go deeper
- Getting Started Guide — build your first integration
- Component Catalog — browse 350+ connectors
- Enterprise Integration Patterns — the pattern library
- Camel on Spring Boot — the most popular runtime
- Camel on Quarkus — cloud-native, fast startup
- Camel CLI — rapid prototyping from the command line
- Kaoto Visual Designer — drag-and-drop route design
- Karavan Visual Designer — drag-and-drop route design
Examples:
- CLI Examples — ready-to-run YAML and script examples
- Standalone Examples — Camel Standalone integration examples
- Spring Boot Examples — Spring Boot integration examples
- Quarkus Examples — Quarkus integration examples
Commercial support
Apache Camel is free and open source. Commercial support with SLAs is available from multiple vendors — you choose your vendor, you’re never locked in.
See companies offering commercial Camel support →
Apache Camel is a project of the Apache Software Foundation.