MOSN website screenshot

MOSN

MOSN (Modular Open Smart Network) is a cloud-native network proxy written in Go, open-sourced by Ant Group. It serves as a Service Mesh data plane and can function as L4/L7 load balancer, API gateway, and cloud-native ingress, with multi-protocol support including HTTP/1.1, HTTP/2, and gRPC.

MOSN publishes 1 API on the APIs.io network. Tagged areas include Service Mesh, Proxy, API Gateway, Cloud Native, and Open Source.

MOSN’s developer surface includes engineering blog and 1 more developer resources.

🌐 Visit website 📡 Source on GitHub
18.4/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
1 APIs
Service MeshProxyAPI GatewayCloud NativeOpen Source

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 18.4/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/mosn: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

MOSN

MOSN is a cloud-native network proxy that supports multiple protocols (HTTP/1.1, HTTP/2, gRPC), dynamic routing, load balancing, observability via Prometheus metrics, TLS, and W...

Pricing Plans 1

Published pricing tiers and plan structures.

Mosn Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Mosn Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Mosn Finops

FINOPS

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Mosn Domain Security

TLSv1.2 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 1

The organization behind the API

Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: mosn
name: MOSN
description: MOSN (Modular Open Smart Network) is a cloud-native network proxy written in Go, open-sourced by Ant Group. It
  serves as a Service Mesh data plane and can function as L4/L7 load balancer, API gateway, and cloud-native ingress, with
  multi-protocol support including HTTP/1.1, HTTP/2, and gRPC.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consuming
access: Open-Source
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/mosn.png
tags:
- Service Mesh
- Proxy
- API Gateway
- Cloud Native
- Open Source
created: '2026-04-28'
modified: '2026-04-28'
url: https://raw.githubusercontent.com/api-evangelist/mosn/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: mosn:mosn
  name: MOSN
  description: MOSN is a cloud-native network proxy that supports multiple protocols (HTTP/1.1, HTTP/2, gRPC), dynamic routing,
    load balancing, observability via Prometheus metrics, TLS, and WASM-based custom extensions. It includes an admin API
    extension for runtime configuration and management.
  humanURL: https://mosn.io/
  tags:
  - Service Mesh
  - Proxy
  - API Gateway
  properties:
  - type: Documentation
    url: https://mosn.io/docs/
  - type: SourceCode
    url: https://github.com/mosn/mosn
commonProperties:
- type: Website
  url: https://mosn.io/
- type: SourceCode
  url: https://github.com/mosn/mosn
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
common:
- type: DomainSecurity
  url: security/mosn-domain-security.yml
- url: https://mosn.io/index.xml
  type: Blog