Atlan website screenshot

Atlan

Atlan is a data catalog and metadata management platform — the Context Layer for AI — that unifies metadata from 80+ business systems into a single knowledge graph. It provides REST and GraphQL APIs for managing data assets, lineage, classifications, glossary terms, and data governance workflows. Customers execute 10,000+ API calls per week powering automated documentation, metadata enrichment, and custom integrations across the modern data stack.

Atlan publishes 3 APIs on the APIs.io network. Tagged areas include Data Catalog, Metadata Management, Data Governance, Data Lineage, and GraphQL.

The Atlan catalog on APIs.io includes 1 JSON-LD context.

Atlan’s developer surface includes documentation, engineering blog, pricing, and 10 more developer resources.

36.5/100 thin ▲ 6.4 Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessEnterprise
3 APIs
Data CatalogMetadata ManagementData GovernanceData LineageGraphQLRESTAIAnalytics

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 36.5/100 · thin
Contract Quality 14.2 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
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 7 / 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
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/atlan: 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 3

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

Atlan REST API

The core REST API for the Atlan platform, providing programmatic access to all platform capabilities including asset management, data lineage, glossary terms, classifications, c...

Atlan GraphQL API

GraphQL interface for querying Atlan's knowledge graph, enabling flexible traversal of metadata relationships including asset lineage, classifications, tags, business glossary l...

Atlan Webhooks API

Real-time event webhooks that capture and deliver notifications when metadata changes occur within the Atlan platform, enabling downstream integrations, automation pipelines, an...

GraphQL 1

GraphQL schemas published by this provider.

Atlan GraphQL API

Atlan exposes a tenant-scoped GraphQL API that provides flexible querying of the platform's knowledge graph — the unified metadata layer spanning 80+ data sources. Through Graph...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Atlan Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Atlan Rate Limits

0 limits

RATE LIMITS

FinOps 1

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

Atlan Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Atlan Context

7 classes · 29 properties

JSON-LD

Security Posture 2

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

Atlan Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Atlan Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: atlan
name: Atlan
description: Atlan is a data catalog and metadata management platform — the Context Layer for AI — that unifies metadata from
  80+ business systems into a single knowledge graph. It provides REST and GraphQL APIs for managing data assets, lineage,
  classifications, glossary terms, and data governance workflows. Customers execute 10,000+ API calls per week powering automated
  documentation, metadata enrichment, and custom integrations across the modern data stack.
type: Index
accessModel:
  pricing: enterprise
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Enterprise
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/atlan.png
url: https://raw.githubusercontent.com/api-evangelist/atlan/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Data Catalog
- Metadata Management
- Data Governance
- Data Lineage
- GraphQL
- REST
- AI
- Analytics
apis:
- name: Atlan REST API
  description: The core REST API for the Atlan platform, providing programmatic access to all platform capabilities including
    asset management, data lineage, glossary terms, classifications, custom metadata, personas, purposes, and governance workflows.
    Every metadata asset in Atlan — tables, columns, dashboards, pipelines — is accessible via versioned REST endpoints.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.atlan.com/
  baseURL: https://{tenant}.atlan.com/api
  tags:
  - Assets
  - Lineage
  - Glossary
  - Classifications
  - Governance
  - REST
  properties:
  - type: Documentation
    url: https://docs.atlan.com/
  - type: Authentication
    url: https://docs.atlan.com/get-started/references/api-authentication
  - type: GitHubOrg
    url: https://github.com/atlanhq
  - type: PythonSDK
    url: https://github.com/atlanhq/atlan-python
  - type: JavaSDK
    url: https://github.com/atlanhq/atlan-java
  - type: GoSDK
    url: https://github.com/atlanhq/atlan-go
- name: Atlan GraphQL API
  description: GraphQL interface for querying Atlan's knowledge graph, enabling flexible traversal of metadata relationships
    including asset lineage, classifications, tags, business glossary links, and governance policies across the connected
    data estate.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.atlan.com/
  baseURL: https://{tenant}.atlan.com/api/graphql
  tags:
  - GraphQL
  - Assets
  - Lineage
  - Metadata
  properties:
  - type: Documentation
    url: https://docs.atlan.com/
  - url: graphql/atlan-schema.graphql
    type: GraphQL
  - url: graphql/atlan-graphql.md
    type: GraphQLDocumentation
- name: Atlan Webhooks API
  description: Real-time event webhooks that capture and deliver notifications when metadata changes occur within the Atlan
    platform, enabling downstream integrations, automation pipelines, and event-driven governance workflows.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.atlan.com/
  baseURL: https://{tenant}.atlan.com/api
  tags:
  - Webhooks
  - Events
  - Real-time
  properties:
  - type: Documentation
    url: https://docs.atlan.com/
common:
- type: VulnerabilityDisclosure
  url: security/atlan-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/atlan-domain-security.yml
- type: Website
  url: https://atlan.com/
- type: Documentation
  url: https://docs.atlan.com/
- type: GitHubOrg
  url: https://github.com/atlanhq
- type: LinkedIn
  url: https://www.linkedin.com/company/atlan-hq/
- type: Blog
  url: https://blog.atlan.com/
- type: Pricing
  url: https://atlan.com/data-catalog-pricing/
- type: StatusPage
  url: https://status.atlan.com/
- type: X
  url: https://x.com/atlanhq
- type: Plans
  url: plans/atlan-plans-pricing.yml
- type: RateLimits
  url: rate-limits/atlan-rate-limits.yml
- type: FinOps
  url: finops/atlan-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com