KrakenD website screenshot

KrakenD

KrakenD is a stateless, distributed, high-performance open-source API gateway written in Go, focused on API aggregation, transformation, and security with a declarative configuration approach.

KrakenD publishes 3 APIs on the APIs.io network: Debug API, Health API, and Metrics API. Tagged areas include Aggregation, API Gateway, Go, and Open Source.

The KrakenD catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

KrakenD’s developer surface includes documentation, getting-started guide, engineering blog, changelog, Stack Overflow tag, and 12 more developer resources.

45.0/100 developing ▬ flat Agent 32/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
5 APIs 1 MCP Servers
AggregationAPI GatewayGoOpen Source

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 45.0/100 · developing
Contract Quality 13.8 / 25
Developer Ergonomics 7.0 / 20
Commercial Clarity 5.8 / 20
Operational Transparency 6.8 / 13
Governance 7.0 / 12
Discoverability 4.6 / 10
Agent readiness — 32/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 12 / 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/krakend: 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 5

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

KrakenD

KrakenD Community Edition is an ultra-high performance API gateway that aggregates multiple service calls into a single endpoint, transforming and filtering responses with a dec...

KrakenD Async Agent

The KrakenD Async Agent enables event-driven API consumption by connecting KrakenD to message brokers and event queues such as AMQP, Kafka, and NATS. It allows KrakenD to consum...

KrakenD Debug API

The Debug API from KrakenD — 2 operation(s) for debug.

KrakenD Health API

The Health API from KrakenD — 1 operation(s) for health.

KrakenD Metrics API

The Metrics API from KrakenD — 1 operation(s) for metrics.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

KrakenD Service API

OPEN COLLECTION

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

MCP Server

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Krakend Plans Pricing

2 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Krakend Rate Limits

4 limits

RATE LIMITS

FinOps 1

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

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Krakend Context

0 classes · 6 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

KrakenD API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 6

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

KrakenD Async Agent

6 properties

JSON SCHEMA

KrakenD Backend

12 properties

JSON SCHEMA

KrakenD Endpoint

12 properties

JSON SCHEMA

KrakenD Plugin Configuration

2 properties

JSON SCHEMA

KrakenD Service Configuration

17 properties

JSON SCHEMA

KrakenD TLS Configuration

10 properties

JSON SCHEMA

Security Posture 1

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

Krakend Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Krakend Agentic Access

5 operations · 1 acting

5 operations · 1 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Build 3

SDKs, sample code, and the tooling you integrate with

Access & Security 1

Authentication, authorization, and security posture

Operate 4

Status, limits, changes, and where to get help

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: krakend
name: KrakenD
description: KrakenD is a stateless, distributed, high-performance open-source API gateway written in Go, focused on API aggregation,
  transformation, and security with a declarative configuration approach.
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/krakend.png
tags:
- Aggregation
- API Gateway
- Go
- Open Source
url: https://raw.githubusercontent.com/api-evangelist/krakend/refs/heads/main/apis.yml
created: '2026-03-18'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: krakend:krakend
  name: KrakenD
  description: KrakenD Community Edition is an ultra-high performance API gateway that aggregates multiple service calls into
    a single endpoint, transforming and filtering responses with a declarative JSON configuration.
  humanURL: https://www.krakend.io/
  tags:
  - Aggregation
  - API Gateway
  - Go
  properties:
  - type: Documentation
    url: https://www.krakend.io/docs/overview/
  - type: GettingStarted
    url: https://www.krakend.io/docs/overview/introduction/
  - type: Reference
    url: https://www.krakend.io/docs/configuration/structure/
  - type: ChangeLog
    url: https://github.com/krakend/krakend-ce/releases
  - type: GitHubRepository
    url: https://github.com/krakend/krakend-ce
  - type: JSONSchema
    url: json-schema/service-config.json
  - type: JSONLD
    url: json-ld/krakend-context.jsonld
- aid: krakend:krakend-async-agent
  name: KrakenD Async Agent
  description: The KrakenD Async Agent enables event-driven API consumption by connecting KrakenD to message brokers and event
    queues such as AMQP, Kafka, and NATS. It allows KrakenD to consume messages from topics and queues and forward them to
    backend services without requiring an inbound HTTP request from a client.
  humanURL: https://www.krakend.io/docs/async/
  tags:
  - Async
  - Event-Driven
  - Kafka
  - Messaging
  properties:
  - type: Documentation
    url: https://www.krakend.io/docs/async/
  - type: Reference
    url: https://www.krakend.io/docs/async/amqp/
  - type: JSONSchema
    url: json-schema/async-agent.json
  - type: GitHubRepository
    url: https://github.com/krakend/krakend-ce
- aid: krakend:krakend-debug-api
  name: KrakenD Debug API
  description: The Debug API from KrakenD — 2 operation(s) for debug.
  humanURL: https://www.krakend.io/
  baseURL: http://localhost:8080
  tags:
  - Debug
  properties:
  - type: OpenAPI
    url: openapi/krakend-debug-api-openapi.yml
  - type: Documentation
    url: https://www.krakend.io/docs/service-settings/health/
  - type: Reference
    url: https://www.krakend.io/docs/service-settings/debug-endpoint/
- aid: krakend:krakend-health-api
  name: KrakenD Health API
  description: The Health API from KrakenD — 1 operation(s) for health.
  humanURL: https://www.krakend.io/
  baseURL: http://localhost:8080
  tags:
  - Health
  properties:
  - type: OpenAPI
    url: openapi/krakend-health-api-openapi.yml
  - type: Documentation
    url: https://www.krakend.io/docs/service-settings/health/
  - type: Reference
    url: https://www.krakend.io/docs/service-settings/debug-endpoint/
- aid: krakend:krakend-metrics-api
  name: KrakenD Metrics API
  description: The Metrics API from KrakenD — 1 operation(s) for metrics.
  humanURL: https://www.krakend.io/
  baseURL: http://localhost:8080
  tags:
  - Metrics
  properties:
  - type: OpenAPI
    url: openapi/krakend-metrics-api-openapi.yml
  - type: Documentation
    url: https://www.krakend.io/docs/service-settings/health/
  - type: Reference
    url: https://www.krakend.io/docs/service-settings/debug-endpoint/
common:
- type: AgenticAccess
  url: agentic-access/krakend-agentic-access.yml
- type: DomainSecurity
  url: security/krakend-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/krakend
- type: Website
  url: https://www.krakend.io/
- type: Documentation
  url: https://www.krakend.io/docs/
- type: GettingStarted
  url: https://www.krakend.io/docs/overview/introduction/
- type: Blog
  url: https://www.krakend.io/blog/
- type: ChangeLog
  url: https://github.com/krakend/krakend-ce/releases
- type: GitHubOrganization
  url: https://github.com/krakend
- type: GitHubRepository
  url: https://github.com/krakend/krakend-ce
- type: Community
  url: https://community.krakend.io/
- type: StackOverflow
  url: https://stackoverflow.com/questions/tagged/krakend
- type: Issue Tracker
  url: https://github.com/krakend/krakend-ce/issues
- type: Developer Tools
  url: https://designer.krakend.io/
- type: JSONSchema
  url: json-schema/service-config.json
- type: JSONLD
  url: json-ld/krakend-context.jsonld
- type: Integrations
  url: https://www.krakend.io/partners/
- name: MCP Server
  url: https://github.com/krakend/mcp-server
  type: MCPServer
integrations:
- name: KrakenD API Gateway
- name: Single.Earth image
- name: Software Architect, Single.Earth
- name: lastminute.com image
- name: Enterprise Architecture, lastminute.com
- name: Coop Atlantique image
- name: Senior Engineer, Coop Atlantique
- name: Background Pattern
- name: logo partner Torry Harris
- name: logo partner Massil Technologies
- name: logo partner Convert Digital
- name: logo partner CloudAPPi
- name: logo partner Target Solutions
- name: logo partner Beat
- name: logo partner Nusaprima
- name: logo partner SETSIBI
- name: logo partner Carahsoft
- name: logo partner Litis
- name: logo partner OSC Korea
- name: logo partner Skalena
- name: logo partner Ardanlabs
- name: logo partner Cogitosoft
- name: Background
- name: logo partner Microsoft
- name: logo partner Amazon Web Services
- name: logo partner Auth0
- name: logo partner Moesif
- name: icon
- name: SOC Certification
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com