PredictionIO

Apache PredictionIO is an open source machine learning server that lets developers and data scientists build, deploy, and serve predictive engines as web services. Originally the commercial product prediction.io from TappingStone, it was acquired by Salesforce in 2016, donated to the Apache Software Foundation, and graduated as a top-level Apache project before being retired to the Apache Attic. It exposes a REST-based Event Server for collecting event data and an Engine Query API for real-time predictions, built on Apache Spark, MLlib, HBase, Elasticsearch, and Akka HTTP, with official SDKs for Python, Ruby, PHP, and Scala/Java. This profile enriches the original portfolio-lead stub.

PredictionIO publishes 2 APIs on the APIs.io network. Tagged areas include Company, Machine-Learning, Artificial Intelligence, Predictive Analytics, and Recommendation Engine.

PredictionIO’s developer surface includes documentation, API reference, getting-started guide, authentication, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

16.8/100 emerging ▬ flat Agent 3/100 human only library Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

2 APIs

Company Machine-Learning Artificial Intelligence Predictive AnalyticsRecommendation EngineOpen-Source ApacheEvent ServerRetired

Kin Score

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

Composite quality — 16.8/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 9.5 / 20

Access Clarity 0.0 / 20

Operational Transparency 1.4 / 13

Contract Governance 0.0 / 12

Discoverability 5.9 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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 0 / 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 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.

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/predictionio: 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 2

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

PredictionIO Event Server API

REST API for importing and querying event data used to train prediction engines. Authenticated with a per-app access key passed as the accessKey query parameter; JSON request/re...

PredictionIO Engine Query API

REST API exposed by a deployed prediction engine that responds to prediction queries in real time (POST /queries.json). Unauthenticated by default.

Security Posture 1

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

Predictionio Authentication

2 schemes

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Conventions

Conventions

Lifecycle

Lifecycle

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

SDKs

SDKs

Packages

Packages

Access & Security 1

Authentication, authorization, and security posture

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

Deprecation

Deprecation

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

ParentCompany

ParentCompany

Source (apis.yml)

aid: predictionio
name: PredictionIO
description: Apache PredictionIO is an open source machine learning server that lets developers and data scientists build,
  deploy, and serve predictive engines as web services. Originally the commercial product prediction.io from TappingStone,
  it was acquired by Salesforce in 2016, donated to the Apache Software Foundation, and graduated as a top-level Apache project
  before being retired to the Apache Attic. It exposes a REST-based Event Server for collecting event data and an Engine Query
  API for real-time predictions, built on Apache Spark, MLlib, HBase, Elasticsearch, and Akka HTTP, with official SDKs for
  Python, Ruby, PHP, and Scala/Java. This profile enriches the original portfolio-lead stub.
url: https://raw.githubusercontent.com/api-evangelist/predictionio/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
deliveryModel:
  model: library
  open_source: false
  commercial: false
  callable_host: false
  label: Library · distributed through package registries, no callable service
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  try_now_blocked_by: loopback
  source:
  - authentication
  generated: '2026-09-03'
  method: derived
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-20'
image: https://predictionio.apache.org/images/logos/logo.png
tags:
- Company
- Machine-Learning
- Artificial Intelligence
- Predictive Analytics
- Recommendation Engine
- Open-Source
- Apache
- Event Server
- Retired
tags_raw:
- Company
- Machine Learning
- Artificial Intelligence
- Predictive Analytics
- Recommendation Engine
- Open Source
- Apache
- Event Server
- Retired
apis:
- name: PredictionIO Event Server API
  description: REST API for importing and querying event data used to train prediction engines. Authenticated with a per-app
    access key passed as the accessKey query parameter; JSON request/response with .json path suffixes.
  humanURL: https://predictionio.apache.org/datacollection/eventapi/
  baseURL: http://localhost:7070
  tags:
  - Event Server
  - Data Collection
  properties:
  - type: Documentation
    url: https://predictionio.apache.org/datacollection/eventapi/
  - type: Authentication
    url: authentication/predictionio-authentication.yml
  - type: Conventions
    url: conventions/predictionio-conventions.yml
- name: PredictionIO Engine Query API
  description: REST API exposed by a deployed prediction engine that responds to prediction queries in real time (POST /queries.json).
    Unauthenticated by default.
  humanURL: https://predictionio.apache.org/deploy/
  baseURL: http://localhost:8000
  tags:
  - Predictions
  - Engine
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: ParentCompany
  url: https://apis.io/providers/salesforce/
  name: Salesforce
  x-relationship: acquired
  x-evidence: io from TappingStone, it was acquired by Salesforce in 2016, donated to the Apache Software Foundation, and
    graduated as a top-level Apache project before being retired to the Apache Attic.
- type: Website
  url: https://predictionio.apache.org
- type: Documentation
  url: https://predictionio.apache.org/start/
- type: APIReference
  url: https://predictionio.apache.org/datacollection/eventapi/
- type: GettingStarted
  url: https://predictionio.apache.org/start/
- type: GitHubOrganization
  url: https://github.com/apache/predictionio
- type: SDKs
  url: packages/predictionio-packages.yml
- type: Packages
  url: packages/predictionio-packages.yml
- type: Authentication
  url: authentication/predictionio-authentication.yml
- type: Conventions
  url: conventions/predictionio-conventions.yml
- type: Lifecycle
  url: lifecycle/predictionio-lifecycle.yml
- type: Deprecation
  url: lifecycle/predictionio-lifecycle.yml
- type: WellKnown
  url: well-known/predictionio-well-known.yml
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 5
  pass: local-v1

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