Sigma360

Sigma360 (formerly Sigma Ratings) is a financial-crime-compliance platform for sanctions and watchlist screening, AML investigations, adverse-media screening, enhanced due diligence, perpetual KYC, third-party risk management, country risk ratings, and counterparty credit-risk monitoring. Its REST API (OpenAPI 3.1, v2.0.1) lets you screen entities against risk data, enroll them for continuous monitoring, retrieve risk profiles and change history, and subscribe to webhook events — authenticated with an API key over https://api.sigma360.com/external/v2.

Sigma360 publishes 7 APIs on the APIs.io network, including Account API, Informational API, Monitoring: Entity Creation API, and 4 more. Tagged areas include Company, Compliance, Financial Crime, KYC, and AML.

The Sigma360 catalog on APIs.io includes 2 event-driven AsyncAPI specifications.

Sigma360’s developer surface includes documentation, API reference, getting-started guide, changelog, signup flow, support, authentication, and 21 more developer resources.

🌐 Visit website 📡 Source on GitHub
54.6/100 developing ▬ flat Agent 57/100 agent ready Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
7 APIs 1 MCP Servers
CompanyComplianceFinancial CrimeKYCAMLSanctions ScreeningRisk IntelligenceRegTechAdverse Media

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 54.6/100 · developing
Contract Quality 17.2 / 25
Developer Ergonomics 13.0 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 6.5 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 57/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 15
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 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
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/sigma-ratings: 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 7

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

Sigma360 Account API

Account management

Sigma360 Informational API

Informational endpoints

Sigma360 Monitoring: Entity Creation API

Creating new 'My Entities'

Sigma360 Monitoring: Entity Management API

Browsing and retrieving monitored entities

Sigma360 Monitoring: History API

Retrieving monitoring history

Sigma360 One-Off Screening API

Screening against Sigma360's risk data

Sigma360 Utilities API

General utilities

Scroll for all 7

MCP Servers 1

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

sigma-ratings-mcp.yml

MCP SERVER

Event Specifications 2

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Sigma360 Webhooks

Event surface for Sigma360; webhook callbacks are delivered to your registered HTTPS endpoint when monitored entities change. Derived from the OpenAPI 3.1 webhooks object publis...

ASYNCAPI

Sigma Ratings Webhooks

ASYNCAPI

Security Posture 4

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

Sigma Ratings Authentication

apiKey · 1 scheme

SECURITY

Sigma Ratings Domain Security

TLSv1.3 · DMARC

SECURITY

Sigma Ratings Vulnerability Disclosure

Hackerone · contact published

SECURITY

Sigma Ratings Trust Center

SOC 2 Type II, GDPR

SECURITY

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp
 Login
Login

Documentation 3

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference
 AsyncAPI
AsyncAPI

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 AgentSkill
AgentSkill
 LLMsTxt
LLMsTxt

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 DataModel
DataModel
 Lifecycle
Lifecycle
 Conformance
Conformance
 Webhooks
Webhooks

Access & Security 6

Authentication, authorization, and security posture

Security
Security
 TrustCenter
TrustCenter
 Compliance
Compliance
 Authentication
Authentication
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

ChangeLog
ChangeLog
 StatusPage
StatusPage
 Support
Support

Commercial 1

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy

Company 1

The organization behind the API

Website
Website

Other 1

Properties that don't map to a standard resource type

Overlay
Overlay

Source (apis.yml)

apis.yml Raw ↑ 
aid: sigma-ratings
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/sigma-ratings.png
name: Sigma360
description: Sigma360 (formerly Sigma Ratings) is a financial-crime-compliance platform for sanctions and watchlist screening,
  AML investigations, adverse-media screening, enhanced due diligence, perpetual KYC, third-party risk management, country
  risk ratings, and counterparty credit-risk monitoring. Its REST API (OpenAPI 3.1, v2.0.1) lets you screen entities against
  risk data, enroll them for continuous monitoring, retrieve risk profiles and change history, and subscribe to webhook events
  — authenticated with an API key over https://api.sigma360.com/external/v2.
url: https://raw.githubusercontent.com/api-evangelist/sigma-ratings/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- techstars
x-tier: enriched
x-tier-reason: api-harvested
x-former-name: Sigma Ratings
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Compliance
- Financial Crime
- KYC
- AML
- Sanctions Screening
- Risk Intelligence
- RegTech
- Adverse Media
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- aid: sigma-ratings:sigma-ratings-account-api
  name: Sigma360 Account API
  description: Account management
  humanURL: https://docs.sigma360.com/api
  baseURL: https://api.sigma360.com/external/v2
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/sigma-ratings-account-api-openapi.yml
  - type: APIReference
    url: https://docs.sigma360.com/api
  - type: Documentation
    url: https://docs.sigma360.com/
- aid: sigma-ratings:sigma-ratings-informational-api
  name: Sigma360 Informational API
  description: Informational endpoints
  humanURL: https://docs.sigma360.com/api
  baseURL: https://api.sigma360.com/external/v2
  tags:
  - Informational
  properties:
  - type: OpenAPI
    url: openapi/sigma-ratings-informational-api-openapi.yml
  - type: APIReference
    url: https://docs.sigma360.com/api
  - type: Documentation
    url: https://docs.sigma360.com/
- aid: sigma-ratings:sigma-ratings-monitoring-entity-creation-api
  name: 'Sigma360 Monitoring: Entity Creation API'
  description: Creating new 'My Entities'
  humanURL: https://docs.sigma360.com/api
  baseURL: https://api.sigma360.com/external/v2
  tags:
  - 'Monitoring: Entity Creation'
  properties:
  - type: OpenAPI
    url: openapi/sigma-ratings-monitoring-entity-creation-api-openapi.yml
  - type: APIReference
    url: https://docs.sigma360.com/api
  - type: Documentation
    url: https://docs.sigma360.com/
- aid: sigma-ratings:sigma-ratings-monitoring-entity-management-api
  name: 'Sigma360 Monitoring: Entity Management API'
  description: Browsing and retrieving monitored entities
  humanURL: https://docs.sigma360.com/api
  baseURL: https://api.sigma360.com/external/v2
  tags:
  - 'Monitoring: Entity Management'
  properties:
  - type: OpenAPI
    url: openapi/sigma-ratings-monitoring-entity-management-api-openapi.yml
  - type: APIReference
    url: https://docs.sigma360.com/api
  - type: Documentation
    url: https://docs.sigma360.com/
- aid: sigma-ratings:sigma-ratings-monitoring-history-api
  name: 'Sigma360 Monitoring: History API'
  description: Retrieving monitoring history
  humanURL: https://docs.sigma360.com/api
  baseURL: https://api.sigma360.com/external/v2
  tags:
  - 'Monitoring: History'
  properties:
  - type: OpenAPI
    url: openapi/sigma-ratings-monitoring-history-api-openapi.yml
  - type: APIReference
    url: https://docs.sigma360.com/api
  - type: Documentation
    url: https://docs.sigma360.com/
- aid: sigma-ratings:sigma-ratings-one-off-screening-api
  name: Sigma360 One-Off Screening API
  description: Screening against Sigma360's risk data
  humanURL: https://docs.sigma360.com/api
  baseURL: https://api.sigma360.com/external/v2
  tags:
  - One-Off Screening
  properties:
  - type: OpenAPI
    url: openapi/sigma-ratings-one-off-screening-api-openapi.yml
  - type: APIReference
    url: https://docs.sigma360.com/api
  - type: Documentation
    url: https://docs.sigma360.com/
- aid: sigma-ratings:sigma-ratings-utilities-api
  name: Sigma360 Utilities API
  description: General utilities
  humanURL: https://docs.sigma360.com/api
  baseURL: https://api.sigma360.com/external/v2
  tags:
  - Utilities
  properties:
  - type: OpenAPI
    url: openapi/sigma-ratings-utilities-api-openapi.yml
  - type: APIReference
    url: https://docs.sigma360.com/api
  - type: Documentation
    url: https://docs.sigma360.com/
common:
- type: Website
  url: https://www.sigma360.com/
- type: DeveloperPortal
  url: https://docs.sigma360.com/
- type: Documentation
  url: https://docs.sigma360.com/
- type: APIReference
  url: https://docs.sigma360.com/api
- type: GettingStarted
  url: https://docs.sigma360.com/docs/user-guide/intro
- type: ChangeLog
  url: https://docs.sigma360.com/docs/release-notes
- type: StatusPage
  url: https://sigma360status.com/
- type: SignUp
  url: https://www.sigma360.com/free-trial/
- type: Login
  url: https://app.sigma360.com/
- type: Support
  url: mailto:support@sigma360.com
- type: PrivacyPolicy
  url: https://www.sigma360.com/privacy-policy/
- type: Security
  url: https://www.sigma360.com/security-and-disclosure-policy/
- type: TrustCenter
  url: https://trust.sigma360.com/
- type: Compliance
  url: https://trust.sigma360.com/
- type: Authentication
  url: authentication/sigma-ratings-authentication.yml
- type: Conventions
  url: conventions/sigma-ratings-conventions.yml
- type: ErrorCatalog
  url: errors/sigma-ratings-problem-types.yml
- type: DataModel
  url: data-model/sigma-ratings-data-model.yml
- type: Lifecycle
  url: lifecycle/sigma-ratings-lifecycle.yml
- type: Conformance
  url: conformance/sigma-ratings-conformance.yml
- type: Overlay
  url: overlays/sigma-ratings-openapi-overlay.yaml
- type: AsyncAPI
  url: asyncapi/sigma-ratings-webhooks-asyncapi.yml
- type: Webhooks
  url: asyncapi/sigma-ratings-webhooks.yml
- type: MCPServer
  url: mcp/sigma-ratings-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/sigma-ratings-llms.txt
- type: VulnerabilityDisclosure
  url: security/sigma-ratings-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/sigma-ratings-domain-security.yml
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 18
  pass: local-v1