Apache Synapse
Reviews
Star rating
Rank in Enterprise Service Bus (ESB)
Pros and cons
Pros
- Reliability
- Performance
- Ease of Use
Cons
- Technical Difficulties
- Poor Documentation
- Unclear Documentation
- Complexity
- Complex Setup
- Learning Difficulty
Traffic & LLM citations
Source: G2 review data
Key stats
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 28.6% |
| Mid-Market | 35.7% |
| Enterprise | 35.7% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2025 Q4 | 1 | 4.0 |
Satisfaction ratings
What reviewers say
Powerful but complex mediation engine
“It’s a very lightweight and high-performance ESB. I love how it handles asynchronous messaging and XML mediation without consuming too many resources. It is highly reliable for routing complex traffic between legacy systems and modern APIs.”
Highly efficient & open source ESB system
“Apache synapse is efficient & support almost all the popular messaging system http, soap, SMTP. Synapse supports message transformation using Java, XSLT, or XPath and XQuery.”
Handle large volumes of data and complex message flows with Apache Synapse
“As a user of Apache Synapse, I can confidently say that this is a powerful and versatile open-source Enterprise Service Bus (ESB) that has dramatically simplified our integration processes.”