Eventuate

Eventuate is a platform for developing transactional microservices using event sourcing and CQRS patterns, providing frameworks for managing distributed data consistency across services without two-phase commit.

Eventuate publishes 4 APIs on the APIs.io network, including Entities API, Events API, Subscriptions API, and 1 more. Tagged areas include CQRS, Distributed Data, Event Sourcing, Event-Driven, and Microservices.

Eventuate’s developer surface includes documentation, getting-started guide, GitHub presence, engineering blog, and 3 more developer resources.

🌐 Visit website 📡 Source on GitHub

24.2/100 emerging ▬ flat Agent 17/100 agent aware Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreemium

1 APIs

CQRSDistributed DataEvent Sourcing Event-Driven Microservices Sagas

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 24.2/100 · emerging

Contract Quality 10.5 / 23

Developer Ergonomics 2.1 / 18

Access Clarity 2.8 / 18

Operational Transparency 1.5 / 12

Contract Governance 0.0 / 11

Discoverability 5.3 / 9

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 17/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/eventuate: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 4

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

Eventuate Entities API

The Entities API from Eventuate — 2 operation(s) for entities.

Eventuate Events API

The Events API from Eventuate — 1 operation(s) for events.

Eventuate Subscriptions API

The Subscriptions API from Eventuate — 4 operation(s) for subscriptions.

Eventuate System API

The System API from Eventuate — 1 operation(s) for system.

Open Collections 6

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

API Collection

OPEN COLLECTION

Eventuate REST API

OPEN COLLECTION

Eventuate REST Entities API

OPEN COLLECTION

Eventuate REST Entities Events API

OPEN COLLECTION

Eventuate REST Entities Subscriptions API

OPEN COLLECTION

Eventuate REST Entities System API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Eventuate Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Eventuate Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Eventuate Finops

FINOPS

Security Posture 1

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

Eventuate Domain Security

TLSv1.3

SECURITY

Agentic Access 1

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

Eventuate Agentic Access

10 operations · 5 acting

AGENTIC

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

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: eventuate
name: Eventuate
description: Eventuate is a platform for developing transactional microservices using event sourcing and CQRS patterns, providing
  frameworks for managing distributed data consistency across services without two-phase commit.
type: Index
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - openapi
  generated: '2026-08-28'
  method: derived
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/eventuate.png
tags:
- CQRS
- Distributed Data
- Event Sourcing
- Event-Driven
- Microservices
- Sagas
url: https://raw.githubusercontent.com/api-evangelist/eventuate/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: eventuate:eventuate-entities-api
  name: Eventuate Entities API
  description: The Entities API from Eventuate — 2 operation(s) for entities.
  humanURL: https://eventuate.io/
  tags:
  - Entities
  properties:
  - type: OpenAPI
    url: openapi/eventuate-entities-api-openapi.yml
- aid: eventuate:eventuate-events-api
  name: Eventuate Events API
  description: The Events API from Eventuate — 1 operation(s) for events.
  humanURL: https://eventuate.io/
  tags:
  - Event
  tags_raw:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/eventuate-events-api-openapi.yml
- aid: eventuate:eventuate-subscriptions-api
  name: Eventuate Subscriptions API
  description: The Subscriptions API from Eventuate — 4 operation(s) for subscriptions.
  humanURL: https://eventuate.io/
  tags:
  - Subscription
  tags_raw:
  - Subscriptions
  properties:
  - type: OpenAPI
    url: openapi/eventuate-subscriptions-api-openapi.yml
- aid: eventuate:eventuate-system-api
  name: Eventuate System API
  description: The System API from Eventuate — 1 operation(s) for system.
  humanURL: https://eventuate.io/
  tags:
  - System
  properties:
  - type: OpenAPI
    url: openapi/eventuate-system-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/eventuate-agentic-access.yml
- type: DomainSecurity
  url: security/eventuate-domain-security.yml
- type: Website
  url: https://eventuate.io/
- type: Documentation
  url: https://eventuate.io/docs/general/getting-started.html
- type: GettingStarted
  url: https://eventuate.io/exampleapps.html
- type: GitHub
  url: https://github.com/eventuate-tram
- type: Blog
  url: https://eventuate.io/news.html
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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