Quix

Quix is a Python-native stream-processing platform for real-time data and ML. It pairs Quix Streams - an open source (Apache 2.0) Python library for building containerized stream-processing applications on Apache Kafka - with Quix Cloud, a fully managed platform offering managed Kafka, Kubernetes deployments, and a set of HTTP and SignalR/WebSocket APIs for writing data in, reading data out in real time, and managing workspaces, topics, and deployments.

Quix publishes 8 APIs on the APIs.io network, including Streaming Reader API (Real-time), Definitions API, Deployments API, and 5 more. Tagged areas include Stream Processing, Real Time, Kafka, Python, and Streaming Data.

The Quix catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.

Quix’s developer surface includes authentication, documentation, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
47.5/100 developing ▬ flat Agent 36/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumOpenFree trial⚡ Free to try
9 APIs
Stream ProcessingReal TimeKafkaPythonStreaming Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 47.5/100 · developing
Contract Quality 17.3 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 5.7 / 12
Discoverability 7.4 / 10
Agent readiness — 36/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 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/quix: 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 9

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

Quix Streaming Reader API (Real-time)

Subscribe to live parameter data, events, definitions, active streams, topic metrics, and raw packages from Quix topics in real time over a Microsoft SignalR hub (WebSockets, wi...

Quix Streams (Open Source)

Apache 2.0 open source Python library (pip install quixstreams) for building containerized stream-processing applications on Apache Kafka, using a declarative StreamingDataFrame...

Quix Definitions API

Declare parameter and event metadata for a stream (Streaming Writer API).

Quix Deployments API

Manage and monitor service deployments (Portal API).

Quix Event Data API

Publish discrete events into a stream (Streaming Writer API).

Quix Parameter Data API

Publish time-series parameter data into a stream (Streaming Writer API).

Quix Streams API

Create and close streams within a topic (Streaming Writer API).

Quix Topics API

Manage Kafka topics in a workspace (Portal API).

Quix Workspaces API

Manage Quix Cloud workspaces / environments (Portal API).

Scroll for all 9

Open Collections 1

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

Quix Cloud HTTP APIs

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Quix Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Quix Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

Quix Finops

FINOPS

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Quix Streaming Reader API (SignalR / WebSocket)

AsyncAPI 2.6 description of the Quix **Streaming Reader API**, a real-time, bidirectional surface delivered over a **Microsoft SignalR hub**. SignalR negotiates the best availab...

ASYNCAPI

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Quix API Rules

10 rules · 1 errors 8 warnings 1 info

SPECTRAL

Security Posture 2

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

Quix Authentication

http · 1 scheme

SECURITY

Quix Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

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

Quix Agentic Access

16 operations · 11 acting · 1 human-in-the-loop

16 operations · 11 acting

AGENTIC

Resources

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

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: quix
url: https://raw.githubusercontent.com/api-evangelist/quix/refs/heads/main/apis.yml
name: Quix
kind: company
description: Quix is a Python-native stream-processing platform for real-time data and ML. It pairs Quix Streams - an open
  source (Apache 2.0) Python library for building containerized stream-processing applications on Apache Kafka - with Quix
  Cloud, a fully managed platform offering managed Kafka, Kubernetes deployments, and a set of HTTP and SignalR/WebSocket
  APIs for writing data in, reading data out in real time, and managing workspaces, topics, and deployments.
accessModel:
  pricing: freemium
  onboarding: open
  trial: true
  try_now: true
  public: true
  label: Freemium (free trial) · Open access
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/quix.png
tags:
- Stream Processing
- Real Time
- Kafka
- Python
- Streaming Data
created: '2026-06-21'
modified: '2026-06-21'
specificationVersion: '0.19'
apis:
- aid: quix:streaming-reader-api
  name: Quix Streaming Reader API (Real-time)
  tags:
  - Streaming
  - Reader
  - Real Time
  - SignalR
  - WebSocket
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://quix.io/docs/quix-cloud/apis/streaming-reader-api/overview.html
  baseURL: https://reader-{environmentId}.cloud.quix.io/hub
  properties:
  - url: https://quix.io/docs/quix-cloud/apis/streaming-reader-api/overview.html
    type: Documentation
  - url: asyncapi/quix-asyncapi.yml
    type: AsyncAPI
  description: Subscribe to live parameter data, events, definitions, active streams, topic metrics, and raw packages from
    Quix topics in real time over a Microsoft SignalR hub (WebSockets, with Long Polling fallback). Authenticated with a PAT
    via accessTokenFactory.
- aid: quix:quix-streams-oss
  name: Quix Streams (Open Source)
  tags:
  - Open Source
  - Python
  - Kafka
  - Library
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://quix.io/docs/quix-streams/introduction.html
  baseURL: https://github.com/quixio/quix-streams
  properties:
  - url: https://quix.io/docs/quix-streams/introduction.html
    type: Documentation
  - url: https://github.com/quixio/quix-streams
    type: SourceCode
  description: Apache 2.0 open source Python library (pip install quixstreams) for building containerized stream-processing
    applications on Apache Kafka, using a declarative StreamingDataFrame and an Application runtime with windowing, stateful
    processing, streaming joins, and sources/sinks. Requires Python 3.9+; not a hosted API - included here as the OSS foundation
    of the platform.
- aid: quix:quix-definitions-api
  name: Quix Definitions API
  description: Declare parameter and event metadata for a stream (Streaming Writer API).
  humanURL: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  baseURL: https://writer-{environmentId}.cloud.quix.io
  tags:
  - Definitions
  properties:
  - type: OpenAPI
    url: openapi/quix-definitions-api-openapi.yml
  - type: Documentation
    url: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  - type: Documentation
    url: https://quix.io/docs/develop/apis-overview.html
- aid: quix:quix-deployments-api
  name: Quix Deployments API
  description: Manage and monitor service deployments (Portal API).
  humanURL: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  baseURL: https://writer-{environmentId}.cloud.quix.io
  tags:
  - Deployments
  properties:
  - type: OpenAPI
    url: openapi/quix-deployments-api-openapi.yml
  - type: Documentation
    url: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  - type: Documentation
    url: https://quix.io/docs/develop/apis-overview.html
- aid: quix:quix-event-data-api
  name: Quix Event Data API
  description: Publish discrete events into a stream (Streaming Writer API).
  humanURL: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  baseURL: https://writer-{environmentId}.cloud.quix.io
  tags:
  - Event Data
  properties:
  - type: OpenAPI
    url: openapi/quix-event-data-api-openapi.yml
  - type: Documentation
    url: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  - type: Documentation
    url: https://quix.io/docs/develop/apis-overview.html
- aid: quix:quix-parameter-data-api
  name: Quix Parameter Data API
  description: Publish time-series parameter data into a stream (Streaming Writer API).
  humanURL: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  baseURL: https://writer-{environmentId}.cloud.quix.io
  tags:
  - Parameter Data
  properties:
  - type: OpenAPI
    url: openapi/quix-parameter-data-api-openapi.yml
  - type: Documentation
    url: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  - type: Documentation
    url: https://quix.io/docs/develop/apis-overview.html
- aid: quix:quix-streams-api
  name: Quix Streams API
  description: Create and close streams within a topic (Streaming Writer API).
  humanURL: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  baseURL: https://writer-{environmentId}.cloud.quix.io
  tags:
  - Streams
  properties:
  - type: OpenAPI
    url: openapi/quix-streams-api-openapi.yml
  - type: Documentation
    url: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  - type: Documentation
    url: https://quix.io/docs/develop/apis-overview.html
- aid: quix:quix-topics-api
  name: Quix Topics API
  description: Manage Kafka topics in a workspace (Portal API).
  humanURL: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  baseURL: https://writer-{environmentId}.cloud.quix.io
  tags:
  - Topics
  properties:
  - type: OpenAPI
    url: openapi/quix-topics-api-openapi.yml
  - type: Documentation
    url: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  - type: Documentation
    url: https://quix.io/docs/develop/apis-overview.html
- aid: quix:quix-workspaces-api
  name: Quix Workspaces API
  description: Manage Quix Cloud workspaces / environments (Portal API).
  humanURL: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  baseURL: https://writer-{environmentId}.cloud.quix.io
  tags:
  - Workspaces
  properties:
  - type: OpenAPI
    url: openapi/quix-workspaces-api-openapi.yml
  - type: Documentation
    url: https://quix.io/docs/quix-cloud/apis/streaming-writer-api/overview.html
  - type: Documentation
    url: https://quix.io/docs/develop/apis-overview.html
common:
- type: AgenticAccess
  url: agentic-access/quix-agentic-access.yml
- type: DomainSecurity
  url: security/quix-domain-security.yml
- type: Authentication
  url: authentication/quix-authentication.yml
- type: GitHubOrganization
  url: https://github.com/quixio
- type: LinkedIn
  url: https://www.linkedin.com/company/quix
- type: Website
  url: https://quix.io/
- type: Documentation
  url: https://quix.io/docs/
- type: Plans
  url: plans/quix-plans-pricing.yml
- type: RateLimits
  url: rate-limits/quix-rate-limits.yml
- type: FinOps
  url: finops/quix-finops.yml
- url: https://quix.io/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com