Kong, MuleSoft, Apigee and other gateways charge for licenses, add-ons and the infrastructure and people to run them. Envoy Gateway is open source, with no license fee.
Answer 7 quick questions and see your estimated savings and ROI from moving to Envoy Gateway, with IMESH enterprise support and ARIA agents to operate it.
Seven questions. Your estimate updates as you answer. Everything is editable, and nothing you enter leaves your browser.
Pick the gateway you want to move away from.
Total yearly license or subscription for the gateway, including add-ons. Check your contract or latest invoice.
Where does the gateway run today?
Average requests per second across your API gateway, in total.
Kubernetes clusters, environments or regions where the gateway is deployed.
Select every plugin or policy you rely on today. Each one is validated on Envoy Gateway. See the validated list.
Full-time equivalents spent on upgrades, plugin changes, incidents, scaling and support. Use decimals for part-time effort, such as 0.5.
Envoy Gateway itself is open source, so its license cost is always $0. These are planning assumptions, not a quote.
License, infrastructure and operations: here is what you pay today and what the same capability costs on Envoy Gateway with IMESH and ARIA.
Your license grows with the yearly price increase. Infrastructure and operations are held flat.
| Cost | Today | Envoy GW + IMESH | Difference |
|---|
The gap widens every year you run open-source Envoy Gateway.
Every use case below has been validated on Envoy Gateway, so your existing gateway plugins and policies have a path to open source.
| # | Use Case | Envoy Gateway |
|---|---|---|
| 01 | JWT Signer / Verifier | Validated |
| 02 | IP Restriction | Validated |
| 03 | Request Transformer | Validated |
| 04 | Response Transformer | Validated |
| 05 | Pre / Post Function | Validated |
| 06 | Path Transformation | Validated |
| 07 | Key Authentication / ACL | Validated |
| 08 | AWS Lambda | Validated |
| 09 | Kafka + Schema Validation | Validated |
| 10 | Kinesis | Validated |
| 11 | Prometheus | Validated |
| 12 | Rate Limiting | Validated |
| 13 | Rate Limiting using Partner Key | Validated |
| 14 | Mutual TLS (North-South) | Validated |
| 15 | OpenID Connect (OIDC) | Validated |
| 16 | Zipkin / Distributed Tracing | Validated |
| 17 | CORS (Route Based) | Validated |
| 18 | Developer Portal (Backstage) | Validated |
| 19 | ZeroBus | Validated |
The calculator also lets you select an AI gateway for LLM routing, which IMESH delivers with Agent Router, built on open-source Envoy AI Gateway.
Cost is only part of the story. In IMESH's published Kong to Envoy Gateway case study, a Fortune 500 cybersecurity firm also reported:
Customer-reported results from the case study. Your results will vary. Read the full case study.
No black box. Every number comes from your answers or an assumption you can change.
This calculator gives estimates for illustration, not a quote. Gateway pricing varies by contract, and IMESH pricing depends on your environment and support tier. Infrastructure unit costs and the other planning assumptions are editable placeholders. For a tailored estimate, talk to IMESH. Kong, MuleSoft, Apigee, Envoy and other names are trademarks of their respective owners.
Talk to IMESH about a migration assessment for your gateway.
