# Azure API Management vs Emissary

**Leader by vioscaleAI score:** Emissary

| Attribute | Azure API Management | Emissary |
|---|---|---|
| **vioscaleAI score** | 42.9 (32% (low)) | 51.3 (54% (medium)) |
| activity.commits_last_30d | - | 56 |
| adoption.dependent_repos | - | 4 |
| adoption.github_stars | - | 4,521 |
| content.faq | `[{"answer":"An Azure-hosted platform that handles API lifecycle management, governance, and security. It provides centralized oversight and control for APIs across cloud and hybrid environments, supporting traditional services, modern applications, and AI systems. It is indexed under API Gateways.","source":"https://azure.microsoft.com/en-us/pricing/purchase-options/","question":"What is Azure API Management?","confidence":0.6},{"answer":"We have confirmed browser-based access to Azure API Management. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://azure.microsoft.com/en-us/pricing/purchase-options/","question":"What platforms does Azure API Management support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Azure API Management, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://azure.microsoft.com/en-us/pricing/purchase-options/","question":"Can Azure API Management be self-hosted?","confidence":0.6},{"answer":"Azure API Management is available worldwide. Its primary market is the United States.","source":"https://azure.microsoft.com/en-us/pricing/purchase-options/","question":"Where is Azure API Management available?","confidence":0.5}]` | `[{"answer":"An open-source, CNCF incubation project providing a Kubernetes-native API gateway with Layer 7 load balancing and ingress capabilities for microservices, built on Envoy Proxy. It is indexed under API Gateways.","source":"https://emissary-ingress.dev/","question":"What is Emissary?","confidence":0.6},{"answer":"Emissary is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://emissary-ingress.dev/","question":"Is Emissary free to use?","confidence":0.6},{"answer":"Yes. Emissary can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://emissary-ingress.dev/","question":"Can Emissary be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Emissary, including Consul, Linkerd, Istio, Knative, Grafana, Prometheus and Datadog. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://emissary-ingress.dev/","question":"What does Emissary integrate with?","confidence":0.6},{"answer":"Yes. Emissary is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/emissary-ingress/emissary","question":"Is Emissary open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"hybrid":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | An Azure-hosted platform that handles API lifecycle management, governance, and security. It provides centralized oversight and control for APIs across cloud and hybrid environments, supporting traditional services, modern applications, and AI systems. | A gateway built on Envoy Proxy that provides Layer 7 load balancing, ingress traffic management with support for multiple protocols including gRPC and HTTP/2, and Kubernetes-native configuration through declarative routing policies. |
| features.capabilities | `{"hosting":"both","observability":true,"pricing_model":"usage-based-saas","rate_limiting":true,"deployment_model":"managed-SaaS","plugin_ecosystem":"extensive"}` | `{"mtls":true,"hosting":"self","k8s_native":true,"grpc_support":true,"observability":true,"rate_limiting":true}` |
| integrations.count | - | 7 |
| integrations.list | - | `[{"name":"Consul"},{"name":"Linkerd"},{"name":"Istio"},{"name":"Knative"},{"name":"Grafana"},{"name":"Prometheus"},{"name":"Datadog"}]` |
| language.primary | - | Python |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"usage","summary":"Pay-as-you-go pricing. $200 credit and 30-day trial.","currency":"USD","freeTier":false,"sourceUrl":"https://azure.microsoft.com/en-us/pricing/purchase-options/","retrievedAt":"2026-09-06T16:22:55.380Z","freeTrialDays":30}` | `{"type":"open_source","sourceUrl":"https://emissary-ingress.dev/","retrievedAt":"2026-10-13T13:52:57.215Z"}` |
| pricing.free_tier | no | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | unknown | free |
| pricing.transparent | no | yes |
| release.cadence_days | - | 18 |
| release.history | - | `[{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v4.1.0","date":"2026-05-19T21:35:22Z","type":"stable","version":"v4.1.0"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v4.1.0-rc.0","date":"2026-05-01T19:56:39Z","type":"prerelease","version":"v4.1.0-rc.0"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v4.0.1","date":"2026-03-26T22:54:46Z","type":"stable","version":"v4.0.1"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v4.0.1-rc.0","date":"2026-04-30T20:43:30Z","type":"prerelease","version":"v4.0.1-rc.0"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v4.0.0-rc.2","date":"2026-03-06T16:28:04Z","type":"prerelease","version":"v4.0.0-rc.2"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v4.0.0-rc.1","date":"2025-12-02T19:04:29Z","type":"prerelease","version":"v4.0.0-rc.1"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v3.10.0","date":"2025-07-29T17:20:40Z","type":"stable","version":"v3.10.0"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v3.9.1","date":"2023-11-20T16:00:55Z","type":"stable","version":"v3.9.1"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/chart/v8.9.1","date":"2023-11-20T15:59:12Z","type":"stable","version":"chart/v8.9.1"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v3.9.0","date":"2023-11-13T12:42:42Z","type":"stable","version":"v3.9.0"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/chart/v8.9.0","date":"2023-11-13T12:40:29Z","type":"stable","version":"chart/v8.9.0"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v3.8.2","date":"2023-10-11T14:11:25Z","type":"stable","version":"v3.8.2"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/chart/v8.8.2","date":"2023-10-11T14:09:30Z","type":"stable","version":"chart/v8.8.2"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v3.8.1","date":"2023-09-18T14:54:43Z","type":"stable","version":"v3.8.1"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/chart/v8.8.1","date":"2023-09-18T14:53:18Z","type":"stable","version":"chart/v8.8.1"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v3.8.0","date":"2023-08-29T12:30:13Z","type":"stable","version":"v3.8.0"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/chart/v8.8.0","date":"2023-08-29T12:28:24Z","type":"stable","version":"chart/v8.8.0"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v3.7.2","date":"2023-07-25T17:22:42Z","type":"stable","version":"v3.7.2"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/chart/v8.7.2","date":"2023-07-25T17:20:17Z","type":"stable","version":"chart/v8.7.2"},{"url":"https://github.com/emissary-ingress/emissary/releases/tag/v3.7.1","date":"2023-07-13T17:36:17Z","type":"stable","version":"v3.7.1"}]` |
| reliability.status_page | yes | - |
| security.scorecard | - | 5.5 |
| security.trust_center | https://azure.microsoft.com/en-us/explore/security/ | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Femissary-ingress%2Femissary%2Fv3&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (API Gateways)

| Capability | Azure API Management | Emissary |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Self-hosted only |
| Kubernetes-native | - | ✓ |
| **Traffic** |  |  |
| Rate limiting | ✓ | ✓ |
| Request/response transformation | - | - |
| **Security** |  |  |
| OAuth2 / OIDC / JWT | - | - |
| Mutual TLS | - | ✓ |
| **Protocols** |  |  |
| GraphQL gateway | - | - |
| gRPC support | - | ✓ |
| **Delivery** |  |  |
| Developer portal | - | - |
| Monetization | - | - |
| **Ecosystem** |  |  |
| Plugin ecosystem | Extensive | - |
| **Insight** |  |  |
| Observability | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T19:05:42.993Z. "-" = undocumented, not absent.*