Ledger Investing

Ledger Investing is a New York-based specialist broking and advisory firm for casualty insurance-linked securities (ILS), connecting insurers, reinsurers and fronting carriers to institutional capital markets investors. The firm originates casualty risk, structures off-balance-sheet solutions, brokes and distributes the resulting securities, and supports secondary trading, having securitized more than $2.5 billion of casualty premium across 170+ transactions since graduating Y Combinator in 2017. Its wholly owned SaaS subsidiary Korra Tech, LLC operates the Korra open data and analytics platform for the reinsurance and ILS market, whose Ledger Analytics API gives actuaries programmatic remote-compute access to Bayesian loss development, tail and forecasting models over insurance loss triangles, alongside the open-source Bermuda (loss triangle manipulation) and BayesBlend (Bayesian model stacking) Python libraries. Other subsidiaries include Ledger Capital Markets, LLC (SEC-registered broker-dealer, FINRA/SIPC member) and Ledger Risk Markets, LLC (licensed reinsurance intermediary).

Ledger Investing publishes 6 APIs on the APIs.io network, including Cashflow Models API, Development Models API, Forecast Models API, and 3 more. Tagged areas include Company, Insurance Tech, Insurance, Reinsurance, and Insurance-Linked Securities.

Ledger Investing’s developer surface includes documentation, API reference, getting-started guide, pricing, signup flow, support, engineering blog, and 26 more developer resources.

🌐 Visit website 📡 Source on GitHub

55.4/100 developing ▬ flat Agent 39/100 agent ready Full breakdown ↓
scored 2026-08-10 · rubric v0.9.1

AccessSelf serve

6 APIs 1 MCP Servers

CompanyInsurance TechInsuranceReinsuranceInsurance-Linked SecuritiesActuarialAnalyticsCapital MarketsData ScienceFinancial Services

Kin Score

Kin Score How this is scored →
scored 2026-08-10 · rubric v0.9.1

Composite quality — 55.4/100 · developing

Contract Quality 15.1 / 25

Developer Ergonomics 12.5 / 20

Commercial Clarity 12.1 / 20

Operational Transparency 4.1 / 13

Governance 2.5 / 12

Discoverability 9.3 / 10

Agent readiness — 39/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

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 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

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/ledger-investing: 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 6

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

MCP Servers 1

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

AGENTIC

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 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

WellKnown

MCPServer

LLMsTxt

AgentSkill

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

SourceCode

Packages

SDKs

Access & Security 6

Authentication, authorization, and security posture

Compliance

Security

Authentication

DomainSecurity

VulnerabilityDisclosure

VulnerabilityDisclosure

TrustCenter

TrustCenter

Operate 2

Status, limits, changes, and where to get help

Support

Support

ChangeLog

ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 4

The organization behind the API

Website

Website

Blog

Blog

LinkedIn

Twitter

Twitter

Source (apis.yml)

aid: ledger-investing
name: Ledger Investing
description: Ledger Investing is a New York-based specialist broking and advisory firm for casualty insurance-linked securities
  (ILS), connecting insurers, reinsurers and fronting carriers to institutional capital markets investors. The firm originates
  casualty risk, structures off-balance-sheet solutions, brokes and distributes the resulting securities, and supports secondary
  trading, having securitized more than $2.5 billion of casualty premium across 170+ transactions since graduating Y Combinator
  in 2017. Its wholly owned SaaS subsidiary Korra Tech, LLC operates the Korra open data and analytics platform for the reinsurance
  and ILS market, whose Ledger Analytics API gives actuaries programmatic remote-compute access to Bayesian loss development,
  tail and forecasting models over insurance loss triangles, alongside the open-source Bermuda (loss triangle manipulation)
  and BayesBlend (Bayesian model stacking) Python libraries. Other subsidiaries include Ledger Capital Markets, LLC (SEC-registered
  broker-dealer, FINRA/SIPC member) and Ledger Risk Markets, LLC (licensed reinsurance intermediary).
url: https://raw.githubusercontent.com/api-evangelist/ledger-investing/refs/heads/main/apis.yml
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://www.ledgerinvesting.com/apple-touch-icon.png
x-type: company
x-source: vc-portfolio
x-backed-by:
- accel
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Insurance Tech
- Insurance
- Reinsurance
- Insurance-Linked Securities
- Actuarial
- Analytics
- Capital Markets
- Data Science
- Financial Services
apis:
- aid: ledger-investing:ledger-investing-cashflow-models-api
  name: Ledger Investing Cashflow Models API
  description: Cashflow models composed from a fitted development model and tail model.
  humanURL: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  baseURL: https://api.korra.com/analytics/
  tags:
  - Cashflow Models
  properties:
  - type: OpenAPI
    url: openapi/ledger-investing-cashflow-models-api-openapi.yml
  - type: Documentation
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  - type: APIReference
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/api/index.html
  - type: GettingStarted
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/quickstart.html
  - type: DataModel
    url: data-model/ledger-investing-data-model.yml
- aid: ledger-investing:ledger-investing-development-models-api
  name: Ledger Investing Development Models API
  description: Bayesian loss development models (ChainLadder, TraditionalChainLadder, ManualATA, MeyersCRC, GMCL).
  humanURL: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  baseURL: https://api.korra.com/analytics/
  tags:
  - Development Models
  properties:
  - type: OpenAPI
    url: openapi/ledger-investing-development-models-api-openapi.yml
  - type: Documentation
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  - type: APIReference
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/api/index.html
  - type: GettingStarted
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/quickstart.html
  - type: DataModel
    url: data-model/ledger-investing-data-model.yml
- aid: ledger-investing:ledger-investing-forecast-models-api
  name: Ledger Investing Forecast Models API
  description: Forecasting models (AR1, SSM, TraditionalGCC).
  humanURL: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  baseURL: https://api.korra.com/analytics/
  tags:
  - Forecast Models
  properties:
  - type: OpenAPI
    url: openapi/ledger-investing-forecast-models-api-openapi.yml
  - type: Documentation
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  - type: APIReference
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/api/index.html
  - type: GettingStarted
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/quickstart.html
  - type: DataModel
    url: data-model/ledger-investing-data-model.yml
- aid: ledger-investing:ledger-investing-tail-models-api
  name: Ledger Investing Tail Models API
  description: Tail development models (GeneralizedBondy, Sherman, ClassicalPowerTransformTail).
  humanURL: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  baseURL: https://api.korra.com/analytics/
  tags:
  - Tail Models
  properties:
  - type: OpenAPI
    url: openapi/ledger-investing-tail-models-api-openapi.yml
  - type: Documentation
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  - type: APIReference
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/api/index.html
  - type: GettingStarted
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/quickstart.html
  - type: DataModel
    url: data-model/ledger-investing-data-model.yml
- aid: ledger-investing:ledger-investing-tasks-api
  name: Ledger Investing Tasks API
  description: Poll the status of asynchronous fit and predict tasks.
  humanURL: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  baseURL: https://api.korra.com/analytics/
  tags:
  - Tasks
  properties:
  - type: OpenAPI
    url: openapi/ledger-investing-tasks-api-openapi.yml
  - type: Documentation
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  - type: APIReference
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/api/index.html
  - type: GettingStarted
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/quickstart.html
  - type: DataModel
    url: data-model/ledger-investing-data-model.yml
- aid: ledger-investing:ledger-investing-triangles-api
  name: Ledger Investing Triangles API
  description: Upload, list, retrieve and delete insurance loss triangles.
  humanURL: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  baseURL: https://api.korra.com/analytics/
  tags:
  - Triangles
  properties:
  - type: OpenAPI
    url: openapi/ledger-investing-triangles-api-openapi.yml
  - type: Documentation
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
  - type: APIReference
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/api/index.html
  - type: GettingStarted
    url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/quickstart.html
  - type: DataModel
    url: data-model/ledger-investing-data-model.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/ledger-investing-agentic-access.yml
- type: Website
  url: https://www.ledgerinvesting.com/
- type: DeveloperPortal
  url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
- type: Documentation
  url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/index.html
- type: APIReference
  url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/api/index.html
- type: GettingStarted
  url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/quickstart.html
- type: Pricing
  url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/pricing.html
- type: SignUp
  url: https://ledger-investing-ledger-analytics.readthedocs-hosted.com/en/stable/apikeys.html
- type: Support
  url: https://www.ledgerinvesting.com/contact-us
- type: Blog
  url: https://www.ledgerinvesting.com/news
- type: GitHubOrganization
  url: https://github.com/LedgerInvesting
- type: SourceCode
  url: https://github.com/LedgerInvesting/ledger-analytics
- type: TermsOfService
  url: https://www.ledgerinvesting.com/terms-of-use
- type: PrivacyPolicy
  url: https://www.ledgerinvesting.com/privacy
- type: Compliance
  url: https://trust.korra.com
- type: Security
  url: https://trust.korra.com
- type: LinkedIn
  url: https://www.linkedin.com/company/ledger-investing
- type: Twitter
  url: https://x.com/LedgerInvesting
- type: Packages
  url: packages/ledger-investing-packages.yml
- type: SDKs
  url: packages/ledger-investing-packages.yml
- type: Authentication
  url: authentication/ledger-investing-authentication.yml
- type: Conventions
  url: conventions/ledger-investing-conventions.yml
- type: ErrorCatalog
  url: errors/ledger-investing-problem-types.yml
- type: Lifecycle
  url: lifecycle/ledger-investing-lifecycle.yml
- type: Conformance
  url: conformance/ledger-investing-conformance.yml
- type: WellKnown
  url: well-known/ledger-investing-well-known.yml
- type: DomainSecurity
  url: security/ledger-investing-domain-security.yml
- type: VulnerabilityDisclosure
  url: security/ledger-investing-vulnerability-disclosure.yml
- type: TrustCenter
  url: security/ledger-investing-trust-center.yml
- type: MCPServer
  url: mcp/ledger-investing-mcp.yml
- type: LLMsTxt
  url: llms/ledger-investing-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: ChangeLog
  url: changelog/ledger-investing-changelog.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Ledger Investing

Kin Score

APIs 6

Ledger Investing Cashflow Models API

Ledger Investing Development Models API

Ledger Investing Forecast Models API

Ledger Investing Tail Models API

Ledger Investing Tasks API

Ledger Investing Triangles API

MCP Servers 1

ledger-investing-mcp.yml

Security Posture 4

Ledger Investing Authentication

Ledger Investing Domain Security

Ledger Investing Vulnerability Disclosure

Ledger Investing Trust Center

Agentic Access 1

Ledger Investing Agentic Access