Comparison

AWS API Gateway vs Emissary

No clear leader: AWS API Gateway (54.5) and Emissary (50.2) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

AWS API Gateway full profile →Emissary full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

AWS API Gateway55

Emissary50

Attribute comparison across 2 tools
Attribute	AWS API Gateway	Emissary
Vioscale score	55 / 100low · 41%updating	50 / 100medium · 54%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	open_source
Price levelpricing.price_level	low	free
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	10	7
Security
Disclosure policysecurity.disclosure_policy	✓	-
Fedrampsecurity.fedramp	✓	-
Gdprsecurity.gdpr	✓	-
Pcisecurity.pci	✓	-
Scorecardsecurity.scorecard	-	5.9
Vulnerabilitiessecurity.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
Adoption
Dependent reposadoption.dependent_repos	-	4
Github starsadoption.github_stars	-	4,519
Activity
Commits last 30dactivity.commits_last_30d	-	31
Release
Cadence daysrelease.cadence_days	-	18
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Python
Market
Availabilitymarket.availability	Available worldwide · Popular in US · HQ US	Available worldwide

Score

Vioscale score

AWS API Gateway55 / 100low · 41%updating

Emissary50 / 100medium · 54%updating

Pricing

Free tier

AWS API Gateway✓

Emissary✓

Model

AWS API Gatewayfreemium

Emissaryopen_source

Price level

AWS API Gatewaylow

Emissaryfree

Transparent

AWS API Gateway✓

Emissary✓

Integrations

Count

AWS API Gateway10

Emissary7

Security

Disclosure policy

AWS API Gateway✓

Emissary–

Fedramp

AWS API Gateway✓

Emissary–

Gdpr

AWS API Gateway✓

Emissary–

Pci

AWS API Gateway✓

Emissary–

Scorecard

AWS API Gateway–

Emissary5.9

Vulnerabilities

AWS API Gateway–

EmissaryCount: 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

Adoption

Dependent repos

AWS API Gateway–

Emissary4

Github stars

AWS API Gateway–

Emissary4,519

Activity

Commits last 30d

AWS API Gateway–

Emissary31

Release

Cadence days

AWS API Gateway–

Emissary18

History

AWS API Gateway–

Emissary20 items

License

Spdx

AWS API Gateway–

EmissaryApache-2.0

Language

Primary

AWS API Gateway–

EmissaryPython

Market

Availability

AWS API GatewayAvailable worldwide · Popular in US · HQ US

EmissaryAvailable worldwide

Capabilities

Feature-by-feature on the axes that matter for api gateways. “-” means undocumented, not absent.

Capability comparison for API Gateways
Capability	AWS API Gateway	Emissary
Deployment
Hosting	Cloud only	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	-	-
Insight
Observability	✓	✓

Deployment

Hosting

AWS API GatewayCloud only

EmissarySelf-hosted only

Kubernetes-native

AWS API Gateway✗

Emissary✓

Traffic

Rate limiting

AWS API Gateway✓

Emissary✓

Request/response transformation

AWS API Gateway✓

Emissary-

Security

OAuth2 / OIDC / JWT

AWS API Gateway-

Emissary-

Mutual TLS

AWS API Gateway-

Emissary✓

Protocols

GraphQL gateway

AWS API Gateway✗

Emissary-

gRPC support

AWS API Gateway✗

Emissary✓

Delivery

Developer portal

AWS API Gateway✓

Emissary-

Monetization

AWS API Gateway-

Emissary-

Ecosystem

Plugin ecosystem

AWS API Gateway-

Emissary-

Insight

Observability

AWS API Gateway✓

Emissary✓

What each one is

The product in its own terms, so the numbers below have context.

AWS API Gateway

A managed cloud service that handles the complete lifecycle of APIs—from creation and deployment to monitoring and security—including traffic management, authorization, throttling, and version control.

Independently observed

Emissary

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

AWS API Gateway

from $1/moUsage-basedFree tier

Usage-based pricing with no minimum fees or upfront commitments. HTTP APIs: $1.00/million calls; REST APIs: $3.50/million calls; data transfer charges apply. Free tier: 1M API calls per month for 12 months (new AWS customers). $200 free tier credit for new customers as of July 15, 2025.

HTTP APIs1M free calls/month for 12 months; then $1.00/million (first 300M), $0.90/million above 300M
- 1M free API calls per month for 12 months
- Tiered pricing after free tier
- Data transfer out charges apply
REST APIs1M free calls/month for 12 months; then $3.50/million API calls (Edge Optimized/Regional)
- 1M free API calls per month for 12 months
- $3.50 per million for Edge Optimized/Regional APIs
- No data transfer charges for Private APIs (PrivateLink charges apply)
- Optional data caching at hourly rate
WebSocket APIs1M free messages + 750k connection minutes/month for 12 months
- 1M free messages per month for 12 months
- 750k free connection minutes per month for 12 months
- Messages up to 128KB, metered in 32KB increments
- Control frames (ping/pong) not metered
API Gateway PortalsContact sales
- Developer portal hosting
- 10 PortalProducts with 40 REST endpoints each included monthly
- Additional PortalProducts billed separately
- API discovery and documentation
- Centralized governance
- +1 more

as of 2026-08-16verify ↗

Emissary

Open source

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	AWS API Gateway	Emissary
WebPlatforms	✓	-
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✗	✓

Platforms

Web

AWS API Gateway✓

Emissary–

Deployment

Cloud / SaaS

AWS API Gateway✓

Emissary✗

Self-hosted

AWS API Gateway✗

Emissary✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

AWS API Gateway

10 total

AWS Lambda
Amazon CloudFront
Amazon CloudWatch
Amazon DynamoDB
Amazon S3
Amazon EC2
Amazon VPC
AWS PrivateLink
AWS Serverless Application Model
AWS IoT

Independently observed

Emissary

7 total

Consul
Linkerd
Istio
Knative
Grafana
Prometheus
Datadog

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.