4Paradigm

4Paradigm (Beijing Fourth Paradigm Intelligent Technology, HKEX 6682) is a Chinese enterprise AI company building decision-making and generative AI platforms — the Sage AIOS AI operating system, Sage HyperCycle ML/CV/OCR, SageGPT and the SageOne AI computing appliances — for banking, insurance, securities, retail, energy, healthcare and manufacturing. Its public, machine-readable API surface is published almost entirely through its open-source community at github.com/4paradigm: OpenMLDB, an Apache-2.0 machine-learning feature database with a documented REST APIServer, Protobuf/brpc cluster services and Java/Python/Go/C++ SDKs; OpenAIOS-Platform (Pineapple), a Kubernetes-based AI development platform that ships OpenAPI 3.0.3 contracts; and PhanthyMotus, an MCP-native embodied-AI agent framework whose hardware drivers are Model Context Protocol servers.

4Paradigm publishes 17 APIs on the APIs.io network, including Account API, Applications API, Competition API, and 14 more. Tagged areas include Company, Artificial Intelligence, Machine Learning, Feature Store, and Database.

4Paradigm’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, CLI, changelog, and 21 more developer resources.

🌐 Visit website 📡 Source on GitHub

36.0/100 thin ▬ flat Agent 25/100 agent aware Front door AI 3/6 light saas Full breakdown ↓
scored 2026-09-25 · rubric v0.23.0

8 APIs 1 MCP Servers

Company Artificial Intelligence Machine Learning Feature Store Database Open Source MLOps Agents Robotics Kubernetes

Kin Score

Kin Score How this is scored →
scored 2026-09-25 · rubric v0.23.0

Composite quality — 36.0/100 · thin

Contract Quality 8.2 / 19

Developer Ergonomics 9.0 / 15

Access Clarity 2.4 / 15

Operational Transparency 1.8 / 10

Contract Governance 0.4 / 9

Discoverability 5.1 / 8

Regulatory Posture 3.1 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 25/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 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 6 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

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 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.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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/4paradigm: 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 17

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

OpenMLDB APIServer REST API

The HTTP/JSON surface of OpenMLDB's optional APIServer module — insert rows into a table, invoke a deployed real-time feature-computation service, run online/offline SQL, read d...

OpenMLDB Cluster RPC Services

The Protobuf/brpc service contracts behind an OpenMLDB cluster — TabletServer, NameServer, TaskManager, the data-sync services and the APIServer HTTP bridge — published verbatim...

Sage App Store Catalogue API

The read-only JSON API behind 4Paradigm's Sage App Store — the model catalogue (62 AI models with version, category and short description), the self-referencing category tree, t...

PhanthyMotus Agent Core and Driver MCP Bus

PhanthyMotus is 4Paradigm's open-source embodied-AI agent framework. Every hardware driver bundle is a Model Context Protocol server exposing typed cards — sensor, actuator, pro...

4Paradigm Account API

The account API from 4Paradigm — 3 operation(s) for account.

4Paradigm Applications API

The applications API from 4Paradigm — 6 operation(s) for applications.

4Paradigm Competition API

The competition API from 4Paradigm — 3 operation(s) for competition.

4Paradigm Computeunit API

The computeunit API from 4Paradigm — 4 operation(s) for computeunit.

4Paradigm Computing Resource API

The computing_resource API from 4Paradigm — 1 operation(s) for computing_resource.

4Paradigm Environments API

The environments API from 4Paradigm — 2 operation(s) for environments.

4Paradigm Finished API

The finished API from 4Paradigm — 1 operation(s) for finished.

4Paradigm Images API

The images API from 4Paradigm — 6 operation(s) for images.

4Paradigm Logs API

The logs API from 4Paradigm — 1 operation(s) for logs.

4Paradigm Releases API

The releases API from 4Paradigm — 3 operation(s) for releases.

4Paradigm Storage API

The storage API from 4Paradigm — 3 operation(s) for storage.

4Paradigm Users API

The users API from 4Paradigm — 3 operation(s) for users.

4Paradigm App Store API

The App Store API from 4Paradigm — 3 operation(s) for app store.

Scroll for all 17

MCP Servers 1

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

PhanthyMotus driver MCP bus

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

4Paradigm Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

4Paradigm Rate Limits

0 limits

RATE LIMITS

Security Posture 2

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

4Paradigm Authentication

apiKey/openIdConnect/none · 6 schemes

SECURITY

4Paradigm Domain Security

TLSv1.2

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 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

AgentSkill

AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Lifecycle

Conventions

Conformance

ErrorCatalog

DataModel

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

Packages

SDKs

CLI

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 3

Status, limits, changes, and where to get help

Support

Support

ChangeLog

ChangeLog

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Plans

Plans

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 4

Properties that don't map to a standard resource type

Overlay

Overlay

Overlay

Overlay

Source (apis.yml)

aid: 4paradigm
name: 4Paradigm
description: '4Paradigm (Beijing Fourth Paradigm Intelligent Technology, HKEX 6682) is a Chinese enterprise AI company building
  decision-making and generative AI platforms — the Sage AIOS AI operating system, Sage HyperCycle ML/CV/OCR, SageGPT and
  the SageOne AI computing appliances — for banking, insurance, securities, retail, energy, healthcare and manufacturing.
  Its public, machine-readable API surface is published almost entirely through its open-source community at github.com/4paradigm:
  OpenMLDB, an Apache-2.0 machine-learning feature database with a documented REST APIServer, Protobuf/brpc cluster services
  and Java/Python/Go/C++ SDKs; OpenAIOS-Platform (Pineapple), a Kubernetes-based AI development platform that ships OpenAPI
  3.0.3 contracts; and PhanthyMotus, an MCP-native embodied-AI agent framework whose hardware drivers are Model Context Protocol
  servers.'
url: https://raw.githubusercontent.com/api-evangelist/4paradigm/refs/heads/main/apis.yml
deliveryModel:
  model: saas
  license_evidence:
    not_product:
    - 4paradigm/openaios-platform
    - 4paradigm/openmldb
    - 4paradigm/phanthymotus
  open_source: unknown
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: low
  source:
  - openapi
  - pricing
  - repository-not-product
  generated: '2026-09-25'
  method: derived
image: https://www.4paradigm.com/images/logo.png
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-09-05'
modified: '2026-09-05'
tags:
- Company
- Artificial Intelligence
- Machine Learning
- Feature Store
- Database
- Open Source
- MLOps
- Agents
- Robotics
- Kubernetes
tags_raw:
- Company
- Artificial Intelligence
- Machine Learning
- Feature Store
- Databases
- Open Source
- MLOps
- Agents
- Robotics
- Kubernetes
- Machine-Learning
- Open-Source
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- aid: 4paradigm:4paradigm-openmldb-apiserver
  image: https://raw.githubusercontent.com/4paradigm/OpenMLDB/main/docs/zh/about/images/openmldb_logo.png
  name: OpenMLDB APIServer REST API
  description: The HTTP/JSON surface of OpenMLDB's optional APIServer module — insert rows into a table, invoke a deployed
    real-time feature-computation service, run online/offline SQL, read deployment and table metadata, and refresh the metadata
    cache. OpenMLDB is self-hosted, so the base URL is whatever host the operator runs APIServer on; the provider's own examples
    use http://127.0.0.1:8080.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Machine Learning
  - Feature Store
  - Database
  - SQL
  tags_raw:
  - Machine Learning
  - Feature Store
  - Databases
  - SQL
  - Machine-Learning
  properties:
  - type: Documentation
    url: https://openmldb.ai/docs/en/main/
  - type: APIReference
    url: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  - type: SourceCode
    url: https://github.com/4paradigm/OpenMLDB
- aid: 4paradigm:4paradigm-openmldb-cluster-rpc
  image: https://raw.githubusercontent.com/4paradigm/OpenMLDB/main/docs/zh/about/images/openmldb_logo.png
  name: OpenMLDB Cluster RPC Services
  description: The Protobuf/brpc service contracts behind an OpenMLDB cluster — TabletServer, NameServer, TaskManager, the
    data-sync services and the APIServer HTTP bridge — published verbatim in the OpenMLDB source tree under src/proto/. 140
    RPCs across six services.
  humanURL: https://github.com/4paradigm/OpenMLDB/tree/main/src/proto
  baseURL: http://127.0.0.1:6527
  tags:
  - Machine Learning
  - Database
  - gRPC
  tags_raw:
  - Machine Learning
  - Databases
  - gRPC
  - Machine-Learning
  properties:
  - type: Protobuf
    url: grpc/4paradigm-openmldb-api_server.proto
  - type: Protobuf
    url: grpc/4paradigm-openmldb-tablet.proto
  - type: Protobuf
    url: grpc/4paradigm-openmldb-name_server.proto
  - type: Protobuf
    url: grpc/4paradigm-openmldb-taskmanager.proto
  - type: Protobuf
    url: grpc/4paradigm-openmldb-data_sync.proto
  - type: Protobuf
    url: grpc/4paradigm-openmldb-sql_procedure.proto
  - type: Protobuf
    url: grpc/4paradigm-openmldb-common.proto
  - type: Protobuf
    url: grpc/4paradigm-openmldb-type.proto
  - type: SourceCode
    url: https://github.com/4paradigm/OpenMLDB
- aid: 4paradigm:4paradigm-sage-app-store
  image: https://www.4paradigm.com/images/logo.png
  name: Sage App Store Catalogue API
  description: 'The read-only JSON API behind 4Paradigm''s Sage App Store — the model catalogue (62 AI models with version,
    category and short description), the self-referencing category tree, the solutions list, the featured-highlights set and
    the home-page banners. Undocumented and unadvertised, but live, unauthenticated and answering on the public internet:
    the only 4Paradigm API surface in this record that an agent can call today without deploying anything.'
  humanURL: https://apps.4paradigm.com/
  baseURL: https://apps.4paradigm.com/api
  tags:
  - Artificial Intelligence
  - Catalog
  - Marketplace
  properties:
  - type: DataModel
    url: data-model/4paradigm-data-model.yml
  - type: Portal
    url: https://apps.4paradigm.com/
- aid: 4paradigm:4paradigm-phanthymotus
  image: https://www.4paradigm.com/images/logo.png
  name: PhanthyMotus Agent Core and Driver MCP Bus
  description: PhanthyMotus is 4Paradigm's open-source embodied-AI agent framework. Every hardware driver bundle is a Model
    Context Protocol server exposing typed cards — sensor, actuator, processor and resource — which the Agent Core consumes
    over a unified MCP data bus. Sixteen driver bundles are published with machine-readable driver.yaml manifests declaring
    the MCP URL and the cards each bundle exposes.
  humanURL: https://motus.phanthy.com/en/drivers
  baseURL: http://localhost:15678
  tags:
  - Agents
  - Robotics
  - MCP
  - Artificial Intelligence
  properties:
  - type: MCPServer
    url: mcp/4paradigm-mcp.yml
  - type: ToolCrosswalk
    url: mcp/4paradigm-tool-crosswalk.yml
  - type: Documentation
    url: https://github.com/4paradigm/phanthymotus#readme
  - type: SourceCode
    url: https://github.com/4paradigm/phanthymotus
- aid: 4paradigm:4paradigm-account-api
  name: 4Paradigm Account API
  description: The account API from 4Paradigm — 3 operation(s) for account.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Account
  tags_raw:
  - account
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-account-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-applications-api
  name: 4Paradigm Applications API
  description: The applications API from 4Paradigm — 6 operation(s) for applications.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Application
  tags_raw:
  - applications
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-applications-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-competition-api
  name: 4Paradigm Competition API
  description: The competition API from 4Paradigm — 3 operation(s) for competition.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Competitions
  tags_raw:
  - competition
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-competition-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-computeunit-api
  name: 4Paradigm Computeunit API
  description: The computeunit API from 4Paradigm — 4 operation(s) for computeunit.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - computeunit
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-computeunit-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-computing-resource-api
  name: 4Paradigm Computing Resource API
  description: The computing_resource API from 4Paradigm — 1 operation(s) for computing_resource.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags: []
  tags_raw:
  - computing_resource
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-computing-resource-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-environments-api
  name: 4Paradigm Environments API
  description: The environments API from 4Paradigm — 2 operation(s) for environments.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Environment
  tags_raw:
  - environments
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-environments-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-finished-api
  name: 4Paradigm Finished API
  description: The finished API from 4Paradigm — 1 operation(s) for finished.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - finished
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-finished-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-images-api
  name: 4Paradigm Images API
  description: The images API from 4Paradigm — 6 operation(s) for images.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Image
  tags_raw:
  - images
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-images-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-logs-api
  name: 4Paradigm Logs API
  description: The logs API from 4Paradigm — 1 operation(s) for logs.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Logs
  tags_raw:
  - logs
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-logs-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-releases-api
  name: 4Paradigm Releases API
  description: The releases API from 4Paradigm — 3 operation(s) for releases.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Releases
  tags_raw:
  - releases
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-releases-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-storage-api
  name: 4Paradigm Storage API
  description: The storage API from 4Paradigm — 3 operation(s) for storage.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - Storage
  tags_raw:
  - storage
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-storage-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-users-api
  name: 4Paradigm Users API
  description: The users API from 4Paradigm — 3 operation(s) for users.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - User
  tags_raw:
  - users
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-users-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
- aid: 4paradigm:4paradigm-app-store-api
  name: 4Paradigm App Store API
  description: The App Store API from 4Paradigm — 3 operation(s) for app store.
  humanURL: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
  baseURL: http://127.0.0.1:8080
  tags:
  - App Store
  properties:
  - type: OpenAPI
    url: openapi/4paradigm-app-store-api-openapi.yml
  - type: SourceCode
    url: https://github.com/4paradigm/openaios-platform
common:
- type: Overlay
  url: overlays/4paradigm-openaios-platform-overlay.yaml
- type: Overlay
  url: overlays/4paradigm-openaios-platform-internal-overlay.yaml
- type: Overlay
  url: overlays/4paradigm-openaios-webterminal-overlay.yaml
- type: Overlay
  url: overlays/4paradigm-openaios-billing-overlay.yaml
- type: DomainSecurity
  url: security/4paradigm-domain-security.yml
- type: Website
  url: https://www.4paradigm.com/
- type: Documentation
  url: https://openmldb.ai/docs/en/main/
- type: APIReference
  url: https://openmldb.ai/docs/en/main/quickstart/sdk/rest_api.html
- type: GettingStarted
  url: https://openmldb.ai/docs/en/main/quickstart/openmldb_quickstart.html
- type: Support
  url: https://openmldb.ai/docs/en/main/about/community.html
- type: Blog
  url: https://openmldb.ai/docs/en/main/blog_post/index.html
- type: GitHubOrganization
  url: https://github.com/4paradigm
- type: TermsOfService
  url: https://www.4paradigm.com/other/agreement.html
- type: PrivacyPolicy
  url: https://www.4paradigm.com/other/privacy.html
- type: Packages
  url: packages/4paradigm-packages.yml
- type: SDKs
  url: packages/4paradigm-packages.yml
- type: CLI
  url: cli/4paradigm-cli.yml
- type: LLMsTxt
  url: llms/4paradigm-llms.txt
- type: ChangeLog
  url: changelog/4paradigm-changelog.yml
- type: Lifecycle
  url: lifecycle/4paradigm-lifecycle.yml
- type: Conventions
  url: conventions/4paradigm-conventions.yml
- type: Conformance
  url: conformance/4paradigm-conformance.yml
- type: ErrorCatalog
  url: errors/4paradigm-problem-types.yml
- type: Authentication
  url: authentication/4paradigm-authentication.yml
- type: DataModel
  url: data-model/4paradigm-data-model.yml
- type: Plans
  url: plans/4paradigm-plans-pricing.yml
- type: RateLimits
  url: rate-limits/4paradigm-rate-limits.yml
- type: AgentSkill
  url: skills/_index.yml
x-enrichment:
  date: '2026-09-05'
  status: enriched
  artifacts_added: 41
  pass: local-v3

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