CausaLens

causaLens is a London-headquartered enterprise AI company and a pioneer of Causal AI — machine intelligence that models cause-and-effect relationships rather than correlation alone. Its commercial platform, decisionOS, is a decision-making operating system that combines causal discovery, causal graph modelling, and multi-agent "Digital Knowledge Workers" that automate repetitive data-science and analyst workflows for enterprises. The platform is delivered as a hosted product plus a Python-first interface, and is distributed through the Microsoft Azure Marketplace and the UK G-Cloud Digital Marketplace. causaLens also maintains Dara, an Apache-2.0 open-source Python application framework for building interactive, decision-support web apps, published on GitHub with packages on PyPI and npm and full public documentation.

CausaLens publishes 1 API on the APIs.io network. Tagged areas include Company, Artificial Intelligence, Causal AI, Machine-Learning, and Data Science.

CausaLens’ developer surface includes documentation, API reference, getting-started guide, support, engineering blog, signup flow, CLI, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub

33.2/100 thin ▬ flat Agent 9/100 agent aware saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessOpen

1 APIs 1 MCP Servers

Company Artificial IntelligenceCausal AIMachine-Learning Data Science Decision Intelligence Analytics Agents Open-Source Python

Kin Score

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

Composite quality — 33.2/100 · thin

Contract Quality 0.0 / 25

Developer Ergonomics 15.7 / 20

Access Clarity 4.2 / 20

Operational Transparency 4.4 / 13

Contract Governance 2.2 / 12

Discoverability 6.7 / 10

Agent readiness — 9/100 · agent aware

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 5 / 5

Well-Known Catalog 4 / 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/causalens: 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 1

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

Dara Application Framework HTTP API

The HTTP surface exposed by a Dara application. Dara is causaLens' Apache-2.0 open-source Python framework built on FastAPI; each app serves a documented set of built-in routes ...

MCP Servers 1

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

CausaLens MCP Server

MCP SERVER

Security Posture 2

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

Causalens Authentication

0 schemes

SECURITY

Causalens Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer

WellKnown

LLMsTxt

AgentSkill

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

Components

Lifecycle

Conventions

Conformance

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

StatusPage

StatusPage

ChangeLog

ChangeLog

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: causalens
name: CausaLens
description: causaLens is a London-headquartered enterprise AI company and a pioneer of Causal AI — machine intelligence that
  models cause-and-effect relationships rather than correlation alone. Its commercial platform, decisionOS, is a decision-making
  operating system that combines causal discovery, causal graph modelling, and multi-agent "Digital Knowledge Workers" that
  automate repetitive data-science and analyst workflows for enterprises. The platform is delivered as a hosted product plus
  a Python-first interface, and is distributed through the Microsoft Azure Marketplace and the UK G-Cloud Digital Marketplace.
  causaLens also maintains Dara, an Apache-2.0 open-source Python application framework for building interactive, decision-support
  web apps, published on GitHub with packages on PyPI and npm and full public documentation.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: open
  trial: false
  try_now: false
  public: true
  label: Open access
  confidence: low
  source:
  - authentication
  - security
  generated: '2026-09-02'
  method: derived
image: https://avatars.githubusercontent.com/u/40164755?s=200&v=4
url: https://raw.githubusercontent.com/api-evangelist/causalens/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.23'
created: '2026-08-09'
modified: '2026-08-09'
tags:
- Company
- Artificial Intelligence
- Causal AI
- Machine-Learning
- Data Science
- Decision Intelligence
- Analytics
- Agents
- Open-Source
- Python
tags_raw:
- Company
- Artificial Intelligence
- Causal AI
- Machine Learning
- Data Science
- Decision Intelligence
- Analytics
- Agents
- Open Source
- Python
apis:
- name: Dara Application Framework HTTP API
  description: The HTTP surface exposed by a Dara application. Dara is causaLens' Apache-2.0 open-source Python framework
    built on FastAPI; each app serves a documented set of built-in routes (session verification, token refresh, file upload)
    and lets developers register custom REST endpoints with the dara.core.http get/post/put/patch/delete decorators. Dara
    applications are self-hosted, so there is no single vendor-operated base URL — the base URL is whatever host the operator
    deploys the app to.
  humanURL: https://dara.causalens.com/docs/generated/dara/docs/advanced/custom-endpoints
  x-deployment: self-hosted
  x-base-url-note: Self-hosted framework — no vendor-operated production host exists. No baseURL is recorded rather than fabricate
    one; api.causalens.com does not resolve.
  tags:
  - Framework
  - Python
  - FastAPI
  properties:
  - type: Documentation
    url: https://dara.causalens.com/docs/generated/dara/docs/getting-started/whats-dara
  - type: APIReference
    url: https://dara.causalens.com/docs/generated/dara/reference/dara/core/auth/routes
  - type: Authentication
    url: authentication/causalens-authentication.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: MCPServer
  url: mcp/causalens-mcp.yml
- type: DomainSecurity
  url: security/causalens-domain-security.yml
- type: Website
  url: https://causalens.com
- type: DeveloperPortal
  url: https://dara.causalens.com
- type: Documentation
  url: https://dara.causalens.com/docs/generated/dara/docs/getting-started/whats-dara
- type: APIReference
  url: https://dara.causalens.com/docs/generated/dara/reference/dara/core/auth/routes
- type: GettingStarted
  url: https://dara.causalens.com/docs/generated/dara/docs/quickstart
- type: GitHubOrganization
  url: https://github.com/causalens
- type: Support
  url: https://github.com/causalens/dara/issues
- type: Blog
  url: https://causalens.com/resource-hub
- type: SignUp
  url: https://platform.causalens.com
- type: PrivacyPolicy
  url: https://causalens.com/privacy-policy
- type: TermsOfService
  url: https://causalens.com/terms
- type: StatusPage
  url: https://status.causalens.com
- type: Packages
  url: packages/causalens-packages.yml
- type: SDKs
  url: packages/causalens-packages.yml
- type: CLI
  url: cli/causalens-cli.yml
- type: Components
  url: components/causalens-components.yml
- type: ChangeLog
  url: changelog/causalens-changelog.yml
- type: Lifecycle
  url: lifecycle/causalens-lifecycle.yml
- type: Authentication
  url: authentication/causalens-authentication.yml
- type: Conventions
  url: conventions/causalens-conventions.yml
- type: Conformance
  url: conformance/causalens-conformance.yml
- type: WellKnown
  url: well-known/causalens-well-known.yml
- type: LLMsTxt
  url: llms/causalens-llms.txt
- type: AgentSkill
  url: skills/_index.yml
x-enrichment:
  date: '2026-08-09'
  status: enriched
  artifacts_added: 14
  pass: local-v1

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