Spring Cloud Stream

Spring Cloud Stream is a framework for building event-driven microservices connected with shared messaging systems. It provides a flexible programming model built on established Spring idioms and best practices, including support for persistent pub/sub semantics, consumer groups, and stateful partitions with Apache Kafka and RabbitMQ binders.

Spring Cloud Stream is listed with 3 APIs on the APIs.io network. Tagged areas include Apache Kafka, AsyncAPI, Event-Driven, Java, and Messaging.

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

Spring Cloud Stream’s developer surface includes documentation, GitHub presence, engineering blog, Stack Overflow tag, support, and 8 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

29.6/100 thin ▬ flat Agent 2/100 human only self hosted · Apache-2.0 Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemium

3 APIs

Apache Kafka AsyncAPI Event-Driven Java Messaging Microservices RabbitMQ Spring Framework Stream Processing

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 29.6/100 · thin

Contract Quality 5.2 / 21

Developer Ergonomics 5.7 / 17

Access Clarity 1.1 / 17

Operational Transparency 3.9 / 11

Contract Governance 2.4 / 10

Discoverability 6.7 / 9

Regulatory Posture 2.5 / 15

Agent readiness — 2/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 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 7 / 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

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey) Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →

11 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 24.4 — up to +18.9 composite points Ask about this →
Access Clarity scores 6.4 — up to +18.7 composite points Ask about this →
Developer Ergonomics scores 33.3 — up to +13.3 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

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 the provider profile at artifacts.apis.io/spring-cloud-stream/apis.yml: open an issue on github.com/api-evangelist/spring-cloud-stream to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

AsyncAPI

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

APIs 3

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

Spring Cloud Stream Core API

Core programmatic API for building message-driven microservice applications. Provides functional programming model with java.util.function.Function, Consumer and Supplier bindin...

Spring Cloud Stream Kafka Binder

Apache Kafka binder for Spring Cloud Stream providing Kafka producer and consumer binding configuration, Kafka Streams support, partitioning, transaction management, error handl...

Spring Cloud Stream RabbitMQ Binder

RabbitMQ binder for Spring Cloud Stream providing AMQP-based messaging with support for exchanges, queues, routing keys, dead-letter exchanges, consumer groups, and AMQP transac...

Spring Cloud Stream API pricing

Not yet checked against Spring Cloud Stream's own pricing page. Compiled by API Evangelist on 2026-05-04; confirm before you rely on a figure. A free plan or tier is listed.

Plan	Price
Free freemium	Free
Professional paid	Free
Enterprise enterprise	—

Plan details, limits and sources →

Rate limits

Free Tier Default: 10 requests per minute
Free Tier Monthly Quota: 1000 requests per month
Professional Tier Default: 100 requests per minute

Compiled by API Evangelist, not yet checked against Spring Cloud Stream's documentation. All 5 limits →

Pricing Plans 1

Published pricing tiers and plan structures.

Spring Cloud Stream Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Spring Cloud Stream Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Spring Cloud Stream Finops

FINOPS

Semantic Vocabularies 1

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

Spring Cloud Stream Context

7 classes · 9 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

Spring Cloud Stream — jsonschema rules

6 rules · 4 warn-severity 2 info-severity

SPECTRAL

JSON Schema 1

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

Spring Cloud Stream Binding Configuration

1 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Spring Cloud Stream Binding Structure

0 properties

JSON STRUCTURE

Examples 2

Example request and response payloads for these APIs.

Spring Cloud Stream Kafka Binding Example

5 fields

EXAMPLE

Spring Cloud Stream Rabbitmq Binding Example

4 fields

EXAMPLE

Security Posture 2

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

Spring Cloud Stream Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Spring Cloud Stream Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Vocabulary

Vocabulary

Build 2

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

RateLimits

RateLimits

StackOverflow

StackOverflow

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: spring-cloud-stream
name: Spring Cloud Stream
description: Spring Cloud Stream is a framework for building event-driven microservices connected with shared messaging systems.
  It provides a flexible programming model built on established Spring idioms and best practices, including support for persistent
  pub/sub semantics, consumer groups, and stateful partitions with Apache Kafka and RabbitMQ binders.
deliveryModel:
  model: self-hosted
  license: Apache-2.0
  license_evidence:
    repo: spring-cloud/spring-cloud-stream
    spdx: Apache-2.0
    stars: 1069
  open_source: true
  commercial: false
  callable_host: false
  label: Self-hosted open source · you run it yourself
  confidence: medium
  source:
  - repository-license
  generated: '2026-09-25'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: low
  source:
  - plans
  - security
  generated: '2026-11-13'
  method: derived
image: https://spring.io/img/projects/spring-cloud.svg
url: https://spring.io/projects/spring-cloud-stream
created: '2024-01-01'
modified: '2026-05-02'
specificationVersion: '0.23'
tags:
- Apache Kafka
- AsyncAPI
- Event-Driven
- Java
- Messaging
- Microservices
- RabbitMQ
- Spring Framework
- Stream Processing
apis:
- aid: spring-cloud-stream:spring-cloud-stream-core
  name: Spring Cloud Stream Core API
  description: Core programmatic API for building message-driven microservice applications. Provides functional programming
    model with java.util.function.Function, Consumer and Supplier bindings, binding lifecycle management, and integration
    with Spring Integration for message transformation and routing.
  humanURL: https://spring.io/projects/spring-cloud-stream
  baseURL: https://repo.spring.io/milestone/org/springframework/cloud/spring-cloud-stream
  tags:
  - Bindings
  - Consumer Groups
  - Event-Driven
  - Functional Programming
  - Messaging
  - Microservices
  properties:
  - type: Documentation
    url: https://docs.spring.io/spring-cloud-stream/docs/current/reference/html/
  - type: API Documentation
    url: https://docs.spring.io/spring-cloud-stream/docs/current/api/
  - type: GettingStarted
    url: https://spring.io/projects/spring-cloud-stream#learn
  - type: GitHub
    url: https://github.com/spring-cloud/spring-cloud-stream
  - type: Maven Repository
    url: https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-stream
  - type: Examples
    url: https://github.com/spring-cloud/spring-cloud-stream-samples
  - type: ReleaseNotes
    url: https://github.com/spring-cloud/spring-cloud-stream/releases
  - type: Issues
    url: https://github.com/spring-cloud/spring-cloud-stream/issues
  - type: JSONSchema
    url: json-schema/spring-cloud-stream-binding-schema.json
  - type: JSONStructure
    url: json-structure/spring-cloud-stream-binding-structure.json
  - type: JSONLDContext
    url: json-ld/spring-cloud-stream-context.jsonld
- aid: spring-cloud-stream:spring-cloud-stream-kafka-binder
  name: Spring Cloud Stream Kafka Binder
  description: Apache Kafka binder for Spring Cloud Stream providing Kafka producer and consumer binding configuration, Kafka
    Streams support, partitioning, transaction management, error handling, and dead-letter queues.
  humanURL: https://docs.spring.io/spring-cloud-stream-binder-kafka/docs/current/reference/html/
  baseURL: https://kafka.apache.org
  tags:
  - Apache Kafka
  - Binder
  - Event Streaming
  - Kafka Streams
  - Messaging
  properties:
  - type: Documentation
    url: https://docs.spring.io/spring-cloud-stream-binder-kafka/docs/current/reference/html/
  - type: GitHub
    url: https://github.com/spring-cloud/spring-cloud-stream-binder-kafka
  - type: Maven Repository
    url: https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-stream-binder-kafka
- aid: spring-cloud-stream:spring-cloud-stream-rabbitmq-binder
  name: Spring Cloud Stream RabbitMQ Binder
  description: RabbitMQ binder for Spring Cloud Stream providing AMQP-based messaging with support for exchanges, queues,
    routing keys, dead-letter exchanges, consumer groups, and AMQP transaction management.
  humanURL: https://docs.spring.io/spring-cloud-stream-binder-rabbit/docs/current/reference/html/
  baseURL: https://www.rabbitmq.com
  tags:
  - AMQP
  - Binder
  - Messaging
  - RabbitMQ
  properties:
  - type: Documentation
    url: https://docs.spring.io/spring-cloud-stream-binder-rabbit/docs/current/reference/html/
  - type: GitHub
    url: https://github.com/spring-cloud/spring-cloud-stream-binder-rabbit
  - type: Maven Repository
    url: https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-stream-binder-rabbit
common:
- type: Plans
  url: plans/spring-cloud-stream-plans-pricing.yml
- type: RateLimits
  url: rate-limits/spring-cloud-stream-rate-limits.yml
- type: FinOps
  url: finops/spring-cloud-stream-finops.yml
- type: VulnerabilityDisclosure
  url: security/spring-cloud-stream-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/spring-cloud-stream-domain-security.yml
- type: Website
  url: https://spring.io/projects/spring-cloud-stream
- type: Documentation
  url: https://docs.spring.io/spring-cloud-stream/docs/current/reference/html/
- type: GitHub
  url: https://github.com/spring-cloud/spring-cloud-stream
- type: GitHubOrganization
  url: https://github.com/spring-cloud
- type: Blog
  url: https://spring.io/blog/category/cloud
- type: StackOverflow
  url: https://stackoverflow.com/questions/tagged/spring-cloud-stream
- type: Support
  url: https://spring.io/support
- type: Vocabulary
  url: vocabulary/spring-cloud-stream-vocabulary.yml
maintainers:
- FN: VMware Tanzu (Spring Team)
  email: spring-cloud@vmware.com
  url: https://spring.io/team
x-parent: spring
x-relationship: product

Spring Cloud Stream API — frequently asked questions

Does Spring Cloud Stream have an API?

Yes. APIs.io lists 3 APIs from Spring Cloud Stream, including Spring Cloud Stream Core API, Spring Cloud Stream Kafka Binder and Spring Cloud Stream RabbitMQ Binder.

How much does the Spring Cloud Stream API cost?

APIs.io lists 3 pricing plans for Spring Cloud Stream, with each plan's price, limits and inclusions under Pricing on this page.

Is the Spring Cloud Stream API ready for AI agents?

Spring Cloud Stream has a Kin Score of 29.6 out of 100 (thin) and an Agent Readiness score of 1.9 (human-only), scored by API Evangelist on 2026-11-13.

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