Lloyd's of London is the world's specialist insurance and reinsurance market, operating as a regulated marketplace rather than as a carrier: the Corporation of Lloyd's oversees syndicates, managing agents, brokers and coverholders who underwrite property, casualty, marine, aviation, energy, cyber, political risk and reinsurance business on a subscription basis from its home market in the United Kingdom. Its API posture reflects that role. Lloyd's is a standards and market-infrastructure publisher first — the Core Data Record (CDR), the Market Reform Contract (MRC), coverholder and delegated claims reporting standards, and Blueprint Two digital processing requirements — and its technical surface is aimed at brokers, syndicates and market vendors, not at outside developers. Lloyd's ran a public API Development Portal at developer.lloyds.com (the "API Factory", BETA from June 2020) that published a Base API Standard and a catalogue of three market APIs: Placing — Submission and Quote, Placing — Firm Order, and RPAC for delegated authority risk, premium and claims. That portal now redirects to www.lloyds.com and no replacement self-serve developer portal is published. Production access to the underlying London Market API gateway (https://api.londonmarketgroup.co.uk) has always been partner-gated: an organisation must be onboarded to LIMOSS Common Services, registered in the Common Services Azure Active Directory tenant, and register an X.509 certificate before it can call anything. There is no public, self-serve Lloyd's API, no public sandbox and no public downloadable specification reachable today — the honest record for this market body is documentation-and-standards-first. What Lloyd's does still operate, verified by live probe, is a genuine gated API estate: three isolated gateway environments (Sandbox, PreProd, Production), an OpenID Connect discovery document and JWKS published on each, and a routed Catastrophe Codes v1 endpoint whose unauthenticated /health meta resource answers 200 while its data resources return 401 "Client certificate is missing". Its most reusable public artifact is the Lloyd's Base API Standard — a normative RFC 2119 document fixing the resource model, query grammar, collection and error envelopes, versioning compatibility rules and the dual mutual-TLS + JWT security model for every API published to the market.
Lloyd’s of London publishes 4 APIs on the APIs.io network. Tagged areas include Insurance, United Kingdom, Reinsurance, Specialty Insurance, and London Market.
Lloyd’s of London’s developer surface includes authentication, code examples, changelog, sandbox, support, engineering blog, documentation, and 20 more developer resources.
Market API for electronic placement in the London subscription market — create submissions and submission versions, upload Market Reform Contract and quote documents, add carrie...
Second Placing API listed in the Lloyd's API catalogue, described by Lloyd's as "Finalise Placings, Bind Risks, Sign Transactions" — the BIND verb of the insurance lifecycle for...
Third API listed in the Lloyd's API catalogue, described by Lloyd's as "Submit Risk, Premium and Claims details for Delegated Authority Placements" — the delegated authority rep...
Lloyd's catastrophe event reference data served from the London Market API Gateway — the market's canonical codes for aggregating losses to a named catastrophe (e.g. 17E "Typhoo...
aid: lloyds-of-london
url: https://raw.githubusercontent.com/api-evangelist/lloyds-of-london/refs/heads/main/apis.yml
name: Lloyd's of London
kind: company
description: 'Lloyd''s of London is the world''s specialist insurance and reinsurance market, operating as a regulated marketplace
rather than as a carrier: the Corporation of Lloyd''s oversees syndicates, managing agents, brokers and coverholders who
underwrite property, casualty, marine, aviation, energy, cyber, political risk and reinsurance business on a subscription
basis from its home market in the United Kingdom. Its API posture reflects that role. Lloyd''s is a standards and market-infrastructure
publisher first — the Core Data Record (CDR), the Market Reform Contract (MRC), coverholder and delegated claims reporting
standards, and Blueprint Two digital processing requirements — and its technical surface is aimed at brokers, syndicates
and market vendors, not at outside developers. Lloyd''s ran a public API Development Portal at developer.lloyds.com (the
"API Factory", BETA from June 2020) that published a Base API Standard and a catalogue of three market APIs: Placing — Submission
and Quote, Placing — Firm Order, and RPAC for delegated authority risk, premium and claims. That portal now redirects to
www.lloyds.com and no replacement self-serve developer portal is published. Production access to the underlying London Market
API gateway (https://api.londonmarketgroup.co.uk) has always been partner-gated: an organisation must be onboarded to LIMOSS
Common Services, registered in the Common Services Azure Active Directory tenant, and register an X.509 certificate before
it can call anything. There is no public, self-serve Lloyd''s API, no public sandbox and no public downloadable specification
reachable today — the honest record for this market body is documentation-and-standards-first. What Lloyd''s does still
operate, verified by live probe, is a genuine gated API estate: three isolated gateway environments (Sandbox, PreProd, Production),
an OpenID Connect discovery document and JWKS published on each, and a routed Catastrophe Codes v1 endpoint whose unauthenticated
/health meta resource answers 200 while its data resources return 401 "Client certificate is missing". Its most reusable
public artifact is the Lloyd''s Base API Standard — a normative RFC 2119 document fixing the resource model, query grammar,
collection and error envelopes, versioning compatibility rules and the dual mutual-TLS + JWT security model for every API
published to the market.'
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Insurance
- United Kingdom
- Reinsurance
- Specialty Insurance
- London Market
- Underwriting
- Claims
- Delegated Authority
- Broker
- Market Infrastructure
- Standards
- ACORD
created: '2026-07-25'
modified: '2026-07-25'
specificationVersion: '0.19'
apis:
- aid: lloyds-of-london:lloyds-placing-api-submission-and-quote
name: Lloyd's Placing API - Submission and Quote v1
description: Market API for electronic placement in the London subscription market — create submissions and submission versions,
upload Market Reform Contract and quote documents, add carriers and underwriters to a submission, send requests for quote,
and receive underwriter responses (reject, express interest, request for information, or quote). Published by Lloyd's
under the API Factory programme with a Swagger/OpenAPI 3.0 document (Swagger_PlacingSubmissionAndQuote_v1.10.202004160916.json)
offered for download from the developer portal. Access is partner-gated to onboarded London Market organisations via LIMOSS
Common Services, Azure AD tokens and a registered X.509 certificate; the developer portal that hosted the reference and
the specification now redirects to www.lloyds.com, so the spec could not be harvested. Covers the QUOTE verb of the insurance
lifecycle, broker-to-carrier only.
humanURL: https://developer.lloyds.com/placingsubmissionandquote-v1/Developer-Overview
baseURL: https://api.londonmarketgroup.co.uk/PPL/Lloyds/Placing/V1
tags:
- Placement
- Submission
- Quote
- London Market
properties:
- type: Documentation
url: https://web.archive.org/web/20210128061829/https://developer.lloyds.com/placingsubmissionandquote-v1/Key-Details-On-API
- type: APIReference
url: https://web.archive.org/web/20210128055606/https://developer.lloyds.com/placingsubmissionandquote-v1/Technical-Model
- type: Documentation
url: https://web.archive.org/web/20200930095802/https://developer.lloyds.com/Get-Started/Base-API-Standard
- type: Authentication
url: https://web.archive.org/web/20200930085423/https://developer.lloyds.com/Get-Started/Authentication-Information
- aid: lloyds-of-london:lloyds-placing-api-firm-order
name: Lloyd's Placing API - Firm Order
description: Second Placing API listed in the Lloyd's API catalogue, described by Lloyd's as "Finalise Placings, Bind Risks,
Sign Transactions" — the BIND verb of the insurance lifecycle for the London subscription market. Only a catalogue-level
description was ever published publicly; no reference documentation, base URL or downloadable specification is reachable,
and the developer portal that carried the catalogue now redirects to www.lloyds.com. Partner-gated to onboarded market
participants.
humanURL: https://web.archive.org/web/20200610082013/https://developer.lloyds.com/Explore-Innovate
tags:
- Placement
- Firm Order
- Bind
- London Market
properties:
- type: Documentation
url: https://web.archive.org/web/20200610082013/https://developer.lloyds.com/Explore-Innovate
- aid: lloyds-of-london:lloyds-rpac-api
name: Lloyd's RPAC API (Risk, Premium and Claims)
description: Third API listed in the Lloyd's API catalogue, described by Lloyd's as "Submit Risk, Premium and Claims details
for Delegated Authority Placements" — the delegated authority reporting path that carries risk, premium and claims (FNOL-adjacent)
data from coverholders and delegated claims administrators into the market, aligned to Lloyd's Coverholder Reporting Standards
and ACORD technical standards. Only a catalogue-level description was ever published publicly; no reference documentation,
base URL or downloadable specification is reachable. Partner-gated to onboarded market participants.
humanURL: https://web.archive.org/web/20200610082013/https://developer.lloyds.com/Explore-Innovate
tags:
- Delegated Authority
- Risk
- Premium
- Claims
properties:
- type: Documentation
url: https://web.archive.org/web/20200610082013/https://developer.lloyds.com/Explore-Innovate
- type: Documentation
url: https://www.lloyds.com/market-resources/delegated-authorities/market-knowledge/reporting-standards
- aid: lloyds-of-london:lloyds-catastrophe-codes-api
name: Lloyd's Catastrophe Codes API v1
description: 'Lloyd''s catastrophe event reference data served from the London Market API Gateway — the market''s canonical
codes for aggregating losses to a named catastrophe (e.g. 17E "Typhoon Hato, 20 August 2017 and ongoing, affecting Hong
Kong, Macau and South China"), each carrying Code, Definition, EventStartDate, EventEndDate and EventYear. This API was
never listed in the Lloyd''s API catalogue; it surfaced because the Lloyd''s Base API Standard uses it for every worked
example of the identity pseudo-field and the collection wrapper document. It is the only Lloyd''s API surface still routed
on the gateway: probed on 2026-07-25 the unauthenticated /health meta resource mandated by section 5.11 of the Base API
Standard returns 200 on both Production and Sandbox, while /CatastropheCodes and /version return 401 {"Code":401,"Message":"Client
certificate is missing."} — the mutual-TLS gate is live and enforcing. Access requires LIMOSS Common Services onboarding,
an Azure AD on-behalf-of token with scp=user_impersonation, and a registered X.509 certificate per environment. No specification
is published.'
humanURL: https://web.archive.org/web/20200930095802/https://developer.lloyds.com/Get-Started/Base-API-Standard
baseURL: https://api.londonmarketgroup.co.uk/Lloyds/CatastropheCodes/v1
tags:
- Catastrophe
- Reference Data
- London Market
- Reinsurance
properties:
- type: Documentation
url: https://web.archive.org/web/20200930095802/https://developer.lloyds.com/Get-Started/Base-API-Standard
name: Lloyd's Base API Standard
description: The normative standard this endpoint implements, and the source of its published payload examples.
- type: Examples
url: examples/_index.yml
- type: Sandbox
url: sandbox/lloyds-of-london-sandbox.yml
name: Sandbox environment
description: https://sand-api.londonmarketgroup.co.uk/Lloyds/CatastropheCodes/v1 — live, /health returns 200; access is
partner-gated via LIMOSS.
- type: Authentication
url: authentication/lloyds-of-london-authentication.yml
- type: WellKnown
url: https://api.londonmarketgroup.co.uk/discovery/.well-known/openid-configuration
name: OpenID Connect discovery
description: Live OIDC discovery document mandated by section 5.12.2 of the Lloyd's Base API Standard; references the
gateway JWKS at /discovery/keys.
common:
- type: VulnerabilityDisclosure
url: security/lloyds-of-london-vulnerability-disclosure.yml
- type: Security
url: https://www.lloyds.com/security-reports
name: Responsible Disclosure Programme
description: Lloyd's responsible disclosure programme and researcher hall of fame; reports go to securityreporting@lloyds.com
per the published RFC 9116 security.txt.
- type: SecurityTxt
url: well-known/lloyds-of-london-security.txt
- type: DomainSecurity
url: security/lloyds-of-london-domain-security.yml
- type: WellKnown
url: well-known/lloyds-of-london-well-known.yml
name: Well-known discovery surface
description: Harvested /.well-known/ documents across the Lloyd's web estate and all three London Market API Gateway environments
— security.txt plus live OIDC discovery and JWKS.
- type: Authentication
url: authentication/lloyds-of-london-authentication.yml
- type: OAuthScopes
url: scopes/lloyds-of-london-scopes.yml
- type: Conventions
url: conventions/lloyds-of-london-conventions.yml
name: Lloyd's Base API Standard as structured conventions
description: Resource model, paging/ordering/filtering/selection/expansion grammar, collection and error envelopes, concurrency,
versioning and meta resources.
- type: ErrorCatalog
url: errors/lloyds-of-london-error-codes.yml
name: Placing API error-code registry
description: 107 named error codes plus the Base API Standard's HTTP status mapping rules.
- type: Examples
url: examples/_index.yml
name: Published request/response examples
description: 22 payload examples captured verbatim from Lloyd's own documentation.
- type: DataModel
url: data-model/lloyds-of-london-data-model.yml
- type: Lifecycle
url: lifecycle/lloyds-of-london-lifecycle.yml
- type: ChangeLog
url: changelog/lloyds-of-london-changelog.yml
- type: Conformance
url: conformance/lloyds-of-london-conformance.yml
- type: Sandbox
url: sandbox/lloyds-of-london-sandbox.yml
- type: LLMsTxt
url: llms/lloyds-of-london-llms.txt
- type: Website
url: https://www.lloyds.com/
- type: Support
url: https://www.lloyds.com/contact-us
name: Contact Lloyd's
- type: Blog
url: https://www.lloyds.com/news-and-insights
name: News and Insights
- type: TermsOfService
url: https://www.lloyds.com/help/terms-and-conditions
- type: PrivacyPolicy
url: https://www.lloyds.com/help/privacy
- type: Documentation
url: https://www.lloyds.com/market-resources/requirements-and-standards
name: Requirements and Standards
description: Lloyd's market requirements and standards corpus — the primary technical surface Lloyd's publishes to its market.
- type: Documentation
url: https://www.lloyds.com/market-resources/requirements-and-standards/core-data-record
name: Core Data Record
description: The Core Data Record (CDR v3.2), the market's standard transactional data set for premium validation and settlement,
claims matching at FNOL, tax and regulatory reporting; aligned to ACORD technical standards and to the Market Reform Contract
(MRC v3).
- type: Documentation
url: https://www.lloyds.com/market-resources/delegated-authorities/market-knowledge/reporting-standards
name: Coverholder and Delegated Claims Reporting Standards
description: Mandated core reporting data set for binding authority and coverholder agreements, with premium, claims and
ELTO reporting templates.
- type: Documentation
url: https://www.lloyds.com/insights/news/lloyds-provides-acord-membership-for-all-coverholders
name: ACORD Membership for Coverholders
description: Lloyd's provides free custom ACORD membership to all coverholders, giving access to ACORD Delegated Authority
Data Standards.
- type: GitHubOrganization
url: https://github.com/lloydsdigital
name: Lloyd's Digital
description: GitHub organisation referenced by the Lloyd's API portal for the placing-api sample application; no public
repositories — code access required a GitHub challenge through the portal.
- type: GitHubOrganization
url: https://github.com/LloydsOfLondon
name: Lloyd's Market Community
description: '"A community for anyone interested in the Lloyd''s of London insurance market" — organisation exists with
zero public repositories.'
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com