Comparison

Emissary vs Zuplo

On the evidence we track, Zuplo leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Emissary50
Zuplo68
Score
Vioscale score
Emissary50 / 100medium · 54%
Zuplo68 / 100medium · 73%
Pricing
Free tier
Emissary
Zuplo
Model
Emissaryopen_source
Price level
Emissaryfree
Zuplolow
Transparent
Emissary
Zuplo
Integrations
Count
Emissary7
Zuplo7
Reliability
Sla pct
Emissary
Zuplo99.99
Status page
Emissary
Zuplo
Adoption
Dependent repos
Emissary4
Zuplo
Github stars
Emissary4,519
Zuplo
Activity
Commits last 30d
Emissary31
Zuplo
Release
Cadence days
Emissary18
Zuplo
History
Emissary20 items
Zuplo
License
Spdx
EmissaryApache-2.0
Zuplo
Language
Primary
EmissaryPython
Zuplo
Market
Availability
Zuplo

Capabilities

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

Deployment
Hosting
EmissarySelf-hosted only
ZuploCloud only
Kubernetes-native
Emissary
Zuplo-
Traffic
Rate limiting
Emissary
Zuplo
Request/response transformation
Emissary-
Zuplo
Security
OAuth2 / OIDC / JWT
Emissary-
Zuplo
Mutual TLS
Emissary
Zuplo
Protocols
GraphQL gateway
Emissary-
Zuplo
gRPC support
Emissary
Zuplo-
Delivery
Developer portal
Emissary-
Zuplo
Monetization
Emissary-
Zuplo
Ecosystem
Plugin ecosystem
Emissary-
ZuploLimited
Insight
Observability
Emissary
Zuplo

What each one is

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

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

Zuplo

Leader

Zuplo is a unified gateway for APIs and AI with a programmable policy engine for models and agents. Provides authentication, rate limiting, spend caps, and audit capabilities across API, LLM, and MCP calls.

Independently observed

Pricing

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

Emissary

Open source
as of verify ↗

Zuplo

Leader
from $25/moHybridFree tier

Free tier for ≤100K requests/month. Builder at $25/month with metered usage. Enterprise from $1,000/month with custom pricing available.

  • StarterFree
    • 100K requests/month
    • 1 day of analytics, live logs & traces
    • Up to 2 developer seats
    • GitOps with GitHub
    • MCP Gateway
    • +2 more
  • Builder$25/month + $100 per 100K requests over included amount
    • Custom domains
    • 10 custom environments
    • 1000 API consumers & keys
    • 7 days analytics retention
    • 1 day log & trace history
    • +5 more
  • EnterpriseContact sales
    • Custom volume discounts available
    • SSO + RBAC
    • Audit logs
    • 99.5% SLA baseline (up to 99.999%)
    • Unlimited custom domains
    • +7 more
as of verify ↗

Platform & deployment

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

Platforms
Web
Emissary
Zuplo
CLI
Emissary
Zuplo
Deployment
Cloud / SaaS
Emissary
Zuplo
Self-hosted
Emissary
Zuplo

Integrations

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

Emissary

7 total
  • Consul
  • Linkerd
  • Istio
  • Knative
  • Grafana
  • Prometheus
  • Datadog
Independently observed

Zuplo

Leader
7 total
  • Claude Code
  • Cursor
  • GitHub Copilot
  • Codex
  • Windsurf
  • ChatGPT
  • Stripe
Independently observed

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