Kong vs. MuleSoft

Kong is purpose-built as an API gateway. It excels at traffic proxying, rate limiting, authentication, and plugin-based extensibility. If your primary need is routing API traffic with security policies, Kong handles this well — though many advanced features require an Enterprise license starting at $50K+/year.

MuleSoft is not an API gateway in the traditional sense. It is a full integration platform (iPaaS) that includes API management as one component. MuleSoft shines when you need to connect Salesforce, SAP, Workday, and other enterprise applications through pre-built connectors and DataWeave transformations. However, this breadth comes with significant complexity and cost — often $150K-$250K+/year for production deployments.

Apache APISIX focuses on what matters most for API traffic: raw performance, dynamic configuration, and open-source plugin extensibility. With 100+ plugins available without an enterprise paywall and 23,000 QPS per core, APISIX delivers enterprise-grade API gateway capabilities without the integration platform overhead or the proprietary licensing restrictions.

Kong achieves approximately 16,000 requests per second per node with 3.5ms p99 latency. Its NGINX foundation provides solid performance, but PostgreSQL/Cassandra configuration storage adds operational overhead. Scaling Kong clusters requires database tuning expertise and careful capacity planning.

MuleSoft's Mule runtime is a heavyweight Java-based engine designed for complex integration flows, not high-throughput API proxying. A single CloudHub vCore handles far fewer requests per second than dedicated API gateways. For organizations using MuleSoft primarily as an API gateway, the resource consumption and cost are disproportionate to the gateway functionality received.

Apache APISIX reaches 23,000 QPS per core with 0.2ms average latency — roughly 1.5x Kong's throughput. Its etcd-based configuration eliminates the database bottleneck entirely, and configuration changes propagate in milliseconds across all nodes. In published benchmarks, APISIX consistently outperforms Kong and other open-source gateways under equivalent hardware conditions.

Kong offers a free open-source tier, but production teams typically need Enterprise features like OIDC, OPA integration, RBAC, and the developer portal. Enterprise pricing starts at approximately $50K/year and scales with the number of services and nodes — making it expensive for organizations with large API portfolios.

MuleSoft is among the most expensive API management solutions available. Pricing is based on vCores, connectors, and add-on modules, with production deployments commonly reaching $150K-$250K+ per year. Organizations that chose MuleSoft for integration and use it as an API gateway often find themselves paying integration platform prices for gateway functionality.

API7 Enterprise uses CPU-core-based pricing that is a fraction of both Kong Enterprise and MuleSoft. All 100+ Apache APISIX plugins are included — no feature gating behind higher tiers. For organizations migrating from MuleSoft to a dedicated API gateway, the cost reduction is typically 60-80% while gaining superior gateway performance and flexibility.

Kong's open-source core is available under Apache 2.0, but enterprise features are proprietary. Organizations that build around Kong Enterprise features (Konnect, Dev Portal, advanced plugins) face meaningful migration costs. Kong Inc. controls the project roadmap, and the 2023 licensing discussion showed that commercial interests can shift.

MuleSoft creates the deepest vendor lock-in of any API management platform. DataWeave is a proprietary transformation language. Mule applications run only on Mule runtime. Anypoint connectors are MuleSoft-specific. Migrating away from MuleSoft typically requires rewriting integration flows from scratch — a multi-quarter effort for most organizations.

Apache APISIX is governed by the Apache Software Foundation under the Apache 2.0 license. No single vendor controls the project. Configuration is stored in standard formats (etcd), plugins use standard languages (Lua, Go, Wasm), and the gateway implements standard protocols. API7 Enterprise builds on this open foundation with commercial support, a management console, and SLA guarantees — without adding proprietary lock-in to the data plane.

Choose Kong if you need a well-established API gateway with a large community, are comfortable with Enterprise pricing for advanced features, and want broad Kubernetes tooling support through Kong Ingress Controller and Konnect.

Choose MuleSoft if your primary challenge is enterprise application integration (connecting Salesforce, SAP, databases, and legacy systems) and you need an iPaaS that includes API management as part of a broader integration strategy. MuleSoft is strongest when integration complexity, not API gateway performance, is the main driver.

Choose Apache APISIX / API7 Enterprise if you need maximum API gateway performance, full plugin functionality without enterprise paywalls, zero vendor lock-in, and multi-cloud deployment flexibility. APISIX is the strongest choice for organizations that want a dedicated, high-performance API gateway without paying integration platform prices. Contact API7 for a technical evaluation and migration assessment.