Kitex website screenshot

Kitex

Kitex is a high-performance, extensible RPC framework for building microservices in Go, developed by ByteDance. It supports Thrift and Protocol Buffers serialization, provides built-in service governance features including service discovery, load balancing, circuit breaking, and retry policies, and is optimized for high throughput and low latency.

Kitex publishes 1 API on the APIs.io network. Tagged areas include Frameworks, Go, High Performance, Microservices, and Protocol Buffers.

The Kitex catalog on APIs.io includes 1 Spectral governance ruleset.

Kitex’s developer surface includes documentation, getting-started guide, engineering blog, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
32.4/100 thin ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
1 APIs
FrameworksGoHigh PerformanceMicroservicesProtocol BuffersRPCThrift

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 32.4/100 · thin
Contract Quality 2.4 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 7.0 / 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/kitex: 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.

Kitex

Kitex is a high-performance, extensible RPC framework for building microservices in Go, developed by ByteDance. It supports Thrift and Protocol Buffers serialization, provides b...

Pricing Plans 1

Published pricing tiers and plan structures.

Kitex Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Kitex Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Kitex Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Kitex API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

Kitex Service Configuration

3 properties

JSON SCHEMA

Security Posture 1

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

Kitex Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted
GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 GitHubRepository
GitHubRepository

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: kitex
name: Kitex
description: Kitex is a high-performance, extensible RPC framework for building microservices in Go, developed by ByteDance.
  It supports Thrift and Protocol Buffers serialization, provides built-in service governance features including service discovery,
  load balancing, circuit breaking, and retry policies, and is optimized for high throughput and low latency.
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
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/kitex.png
tags:
- Frameworks
- Go
- High Performance
- Microservices
- Protocol Buffers
- RPC
- Thrift
url: https://raw.githubusercontent.com/api-evangelist/kitex/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: kitex:kitex
  name: Kitex
  description: Kitex is a high-performance, extensible RPC framework for building microservices in Go, developed by ByteDance.
    It supports Thrift and Protocol Buffers serialization, provides built-in service governance features including service
    discovery, load balancing, circuit breaking, and retry policies, and is optimized for high throughput and low latency.
  humanURL: https://www.cloudwego.io/docs/kitex/
  tags:
  - Frameworks
  - Go
  - High Performance
  - Microservices
  - Protocol Buffers
  - RPC
  - Thrift
  properties:
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/kitex/refs/heads/main/json-schema/kitex-configuration.json
common:
- type: DomainSecurity
  url: security/kitex-domain-security.yml
- type: Website
  url: https://www.cloudwego.io/
- type: Documentation
  url: https://www.cloudwego.io/docs/kitex/
- type: GettingStarted
  url: https://www.cloudwego.io/docs/kitex/getting-started/
- type: GitHubOrganization
  url: https://github.com/cloudwego
- type: GitHubRepository
  url: https://github.com/cloudwego/kitex
- type: Blog
  url: https://www.cloudwego.io/blog/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com