Extropic

Extropic is a hardware company building thermodynamic (probabilistic) computing systems designed to run generative AI workloads at dramatically lower energy cost than GPUs. Its core hardware is the Thermodynamic Sampling Unit (TSU) — an inherently probabilistic chip whose physics natively performs the sampling that probabilistic AI algorithms depend on — together with the XTR-0 prototype platform for low-latency communication between Extropic chips and traditional processors. Extropic also develops THRML, an open-source JAX library for building and sampling probabilistic graphical models (block Gibbs sampling and energy-based models), which serves as a simulator and prototyping surface for the block-sampling programs that will one day run on TSU hardware. Extropic is not an API provider: it ships no REST/GraphQL API, developer portal, or hosted service — its public developer surface is the THRML Python library, its documentation, and an agent skill. Backed by Kindred Ventures; surfaced to the API Evangelist network as an AI-hardware portfolio company.

Extropic is profiled on the APIs.io network. Tagged areas include Company, Artificial Intelligence, Hardware, Semiconductors, and Thermodynamic Computing.

Extropic’s developer surface includes documentation, API reference, getting-started guide, engineering blog, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub

17.5/100 emerging ▬ flat Agent 4/100 human only Full breakdown ↓
scored 2026-08-20 · rubric v0.12.0

0 APIs

CompanyArtificial IntelligenceHardwareSemiconductorsThermodynamic ComputingProbabilistic ComputingEnergy-Based ModelsMachine-LearningOpen-Source

Kin Score

Kin Score How this is scored →
scored 2026-08-20 · rubric v0.12.0

Composite quality — 17.5/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 4.5 / 17

Access Clarity 3.6 / 17

Operational Transparency 2.0 / 11

Contract Governance 0.0 / 10

Discoverability 4.9 / 9

Regulatory Posture 2.8 / 15

Agent readiness — 4/100 · 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 0 / 7

Rate-Limit Signaling 0 / 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

Regulatory Posture applies to this provider. Its tags matched the Energy & Utilities 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.

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/.

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/extropic: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 3

Reference material describing how the API behaves

ContributionGuide

ContributionGuide

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

AgentSkill

AgentSkill

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

SourceCode

Packages

SDKs

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

IssueTracker

IssueTracker

Releases

Releases

Commercial 3

Pricing, plans, and the legal terms of use

License

License

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: extropic
name: Extropic
description: 'Extropic is a hardware company building thermodynamic (probabilistic) computing systems designed to run generative
  AI workloads at dramatically lower energy cost than GPUs. Its core hardware is the Thermodynamic Sampling Unit (TSU) — an
  inherently probabilistic chip whose physics natively performs the sampling that probabilistic AI algorithms depend on —
  together with the XTR-0 prototype platform for low-latency communication between Extropic chips and traditional processors.
  Extropic also develops THRML, an open-source JAX library for building and sampling probabilistic graphical models (block
  Gibbs sampling and energy-based models), which serves as a simulator and prototyping surface for the block-sampling programs
  that will one day run on TSU hardware. Extropic is not an API provider: it ships no REST/GraphQL API, developer portal,
  or hosted service — its public developer surface is the THRML Python library, its documentation, and an agent skill. Backed
  by Kindred Ventures; surfaced to the API Evangelist network as an AI-hardware portfolio company.'
url: https://raw.githubusercontent.com/api-evangelist/extropic/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- kindred-ventures
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-19'
image: https://extropic.ai/
tags:
- Company
- Artificial Intelligence
- Hardware
- Semiconductors
- Thermodynamic Computing
- Probabilistic Computing
- Energy-Based Models
- Machine-Learning
- Open-Source
tags_raw:
- Company
- Ai
- Hardware
- Semiconductors
- Thermodynamic Computing
- Probabilistic Computing
- Energy-Based Models
- Machine Learning
- Open Source
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: IssueTracker
  url: https://github.com/extropic-ai/thrml/issues
- type: Releases
  url: https://github.com/extropic-ai/thrml/releases
- type: ContributionGuide
  url: https://github.com/extropic-ai/thrml/blob/main/CONTRIBUTING.md
- type: License
  name: Apache-2.0
  url: https://github.com/extropic-ai/thrml/blob/main/LICENSE
- type: Website
  url: https://extropic.ai/
- type: Documentation
  url: https://docs.thrml.ai/
- type: APIReference
  url: https://docs.thrml.ai/api-pgm.html
- type: GettingStarted
  url: https://docs.thrml.ai/getting-started.html
- type: Blog
  url: https://extropic.ai/writing
- type: GitHubOrganization
  url: https://github.com/extropic-ai
- type: SourceCode
  url: https://github.com/extropic-ai/thrml
- type: PrivacyPolicy
  url: https://extropic.ai/privacy-policy
- type: TermsOfService
  url: https://extropic.ai/terms-of-service
- type: Packages
  url: packages/extropic-packages.yml
- type: SDKs
  url: packages/extropic-packages.yml
- type: LLMsTxt
  url: llms/extropic-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: DomainSecurity
  url: security/extropic-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence