Knight Frank

Knight Frank LLP is a London-headquartered global real estate consultancy founded in 1896, structured as a partnership rather than a listed company, operating through a network of over 700 offices in more than 50 territories and best known for prime and super-prime residential agency, commercial agency and occupier services, valuation and advisory, capital markets, rural and agricultural consultancy, and the Knight Frank Research programme that publishes The Wealth Report and the Prime International Residential Index. It sits on the advisory and agency side of the property value chain rather than the data-platform side. Its home market is the United Kingdom, where there is no MLS and no cooperative listing standard — residential stock reaches consumers through the Rightmove and Zoopla duopoly by way of agency CRM software (Reapit, Alto, Street, Apex27) rather than a shared cooperative pool, so Knight Frank is a supplier into that pipe and not an operator of it. Its API posture is honest but unflattering: Knight Frank publishes no developer portal, no API programme, no developer terms, no SDK and no Postman collection, and every conventional developer entry point fails — developer., developers., docs. and apis.knightfrank.com do not resolve in DNS, and /developers, /api, /docs, /openapi.json, /swagger.json and /api-docs all return 404 on knightfrank.com and knightfrank.co.uk. On the UK site /developers is a homonym trap: it redirects to a commercial services page for property developers and housebuilders, not software developers. What does exist, entirely unadvertised, is a real machine-readable contract. The corporate search service at api-v3.web.prd-knightfrank.com serves a live Swagger UI and an OpenAPI 3.0.1 document (11 GET/POST operations across CMSPage, IntelligenceLab, Office, Person, Search, ServiceLine and Telemetry) to anonymous clients, and those endpoints answer with real office and people-directory data without any credential. The property search and saved-property service at api-v2.web.prd-knightfrank.com is the opposite: it returns 401 and is protected by Azure AD B2C (tenant KnightFrankB2Cprod, custom policy B2C_1A_MYKFSIGNIN, scope MyKf.ReadWrite) through a first-party MSAL client for the consumer My Knight Frank account, which is an end-user login and not a developer credential. There is no RESO Web API or Data Dictionary certification, no OData $metadata document and no Universal Property Identifier anywhere in the Knight Frank estate — RESO is a North American NAR/MLS construct and the United Kingdom has no MLS to certify against. Knight Frank publishes no open data either; its research ships as PDF and web narrative, and the genuinely open UK property layer belongs to the public sector — HM Land Registry Price Paid Data and Ordnance Survey open products — not to the brokerage.

Knight Frank publishes 7 APIs on the APIs.io network, including CMS Page API, Intelligence Lab API, Office API, and 4 more. Tagged areas include Real-Estate, United Kingdom, Property Listings, Commercial Real Estate, and Valuation.

Knight Frank’s developer surface includes authentication, support, engineering blog, and 28 more developer resources.

🌐 Visit website 📡 Source on GitHub

27.3/100 thin ▬ flat Agent 25/100 agent aware saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

1 APIs

Real-Estate United Kingdom Property Listings Commercial Real Estate Valuation Brokerage Property Management Rentals PropTech Research

Kin Score

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

Composite quality — 27.3/100 · thin

Contract Quality 5.5 / 19

Developer Ergonomics 4.2 / 15

Access Clarity 3.2 / 15

Operational Transparency 0.0 / 10

Contract Governance 0.4 / 9

Discoverability 5.1 / 8

Regulatory Posture 8.7 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 25/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 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 0 / 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

Regulatory Posture applies to this provider. Its tags matched the Securities & Market Data regime (on an ambiguous tag, where no other regime matched), so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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/knight-frank: 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 7

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

Knight Frank CMS Page API

The CMSPage API from Knight Frank — 1 operation(s) for cmspage.

Knight Frank Intelligence Lab API

The IntelligenceLab API from Knight Frank — 2 operation(s) for intelligencelab.

Knight Frank Office API

The Office API from Knight Frank — 2 operation(s) for office.

Knight Frank Person API

The Person API from Knight Frank — 3 operation(s) for person.

Knight Frank Search API

The Search API from Knight Frank — 1 operation(s) for search.

Knight Frank Service Line API

The ServiceLine API from Knight Frank — 1 operation(s) for serviceline.

Knight Frank Telemetry API

The Telemetry API from Knight Frank — 1 operation(s) for telemetry.

Scroll for all 7

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

KnightFrank Api v3

OPEN COLLECTION

Arazzo Workflows 1

Multi-step API workflows described with the Arazzo specification.

Knight Frank office lookup

Search the Knight Frank office directory, then fetch the full record for the best-matching office.

ARAZZO

Security Posture 2

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

Knight Frank Authentication

none/oauth2/openIdConnect · 2 schemes

SECURITY

Knight Frank Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Knight Frank Scopes

2 scopes · authorizationCode

2 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Knight Frank Agentic Access

11 operations · 1 acting

AGENTIC

Resources

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

WellKnown

WellKnown

X-MCPServerCandidate

X-MCPServerCandidate

LLMsTxt

LLMsTxt

AgentSkill

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

Arazzo

Build 1

SDKs, sample code, and the tooling you integrate with

Packages

Packages

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Operate 2

Status, limits, changes, and where to get help

Support

Support

Contact

Contact

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 6

The organization behind the API

Blog

Website

WebsiteUK

WebsiteUS

Careers

LinkedIn

Other 6

Properties that don't map to a standard resource type

Overlay

PropertySearch

Research

Account

OpenIDConfiguration

OpenIDConfiguration

OpenIDConfiguration

OpenIDConfiguration

Source (apis.yml)

aid: knight-frank
url: https://raw.githubusercontent.com/api-evangelist/knight-frank/refs/heads/main/apis.yml
name: Knight Frank
kind: company
description: 'Knight Frank LLP is a London-headquartered global real estate consultancy founded in 1896, structured as a partnership
  rather than a listed company, operating through a network of over 700 offices in more than 50 territories and best known
  for prime and super-prime residential agency, commercial agency and occupier services, valuation and advisory, capital markets,
  rural and agricultural consultancy, and the Knight Frank Research programme that publishes The Wealth Report and the Prime
  International Residential Index. It sits on the advisory and agency side of the property value chain rather than the data-platform
  side. Its home market is the United Kingdom, where there is no MLS and no cooperative listing standard — residential stock
  reaches consumers through the Rightmove and Zoopla duopoly by way of agency CRM software (Reapit, Alto, Street, Apex27)
  rather than a shared cooperative pool, so Knight Frank is a supplier into that pipe and not an operator of it. Its API posture
  is honest but unflattering: Knight Frank publishes no developer portal, no API programme, no developer terms, no SDK and
  no Postman collection, and every conventional developer entry point fails — developer., developers., docs. and apis.knightfrank.com
  do not resolve in DNS, and /developers, /api, /docs, /openapi.json, /swagger.json and /api-docs all return 404 on knightfrank.com
  and knightfrank.co.uk. On the UK site /developers is a homonym trap: it redirects to a commercial services page for property
  developers and housebuilders, not software developers. What does exist, entirely unadvertised, is a real machine-readable
  contract. The corporate search service at api-v3.web.prd-knightfrank.com serves a live Swagger UI and an OpenAPI 3.0.1 document
  (11 GET/POST operations across CMSPage, IntelligenceLab, Office, Person, Search, ServiceLine and Telemetry) to anonymous
  clients, and those endpoints answer with real office and people-directory data without any credential. The property search
  and saved-property service at api-v2.web.prd-knightfrank.com is the opposite: it returns 401 and is protected by Azure AD
  B2C (tenant KnightFrankB2Cprod, custom policy B2C_1A_MYKFSIGNIN, scope MyKf.ReadWrite) through a first-party MSAL client
  for the consumer My Knight Frank account, which is an end-user login and not a developer credential. There is no RESO Web
  API or Data Dictionary certification, no OData $metadata document and no Universal Property Identifier anywhere in the Knight
  Frank estate — RESO is a North American NAR/MLS construct and the United Kingdom has no MLS to certify against. Knight Frank
  publishes no open data either; its research ships as PDF and web narrative, and the genuinely open UK property layer belongs
  to the public sector — HM Land Registry Price Paid Data and Ordnance Survey open products — not to the brokerage.'
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: none-published
  trial: false
  try_now: false
  public: false
  label: No published developer programme · one unadvertised anonymous API
  confidence: high
  source:
  - probes
  - website
  - openapi
  generated: '2026-07-26'
  method: manual
image: https://www.knightfrank.com/icons/apple-touch-icon-180x180.png
tags:
- Real-Estate
- United Kingdom
- Property Listings
- Commercial Real Estate
- Valuation
- Brokerage
- Property Management
- Rentals
- PropTech
- Research
tags_raw:
- Real Estate
- United Kingdom
- Property Listings
- Commercial Real Estate
- Valuation
- Brokerage
- Property Management
- Rentals
- PropTech
- Research
created: '2026-07-26'
modified: '2026-07-26'
specificationVersion: '0.23'
apis:
- aid: knight-frank:knight-frank-cmspage-api
  name: Knight Frank CMS Page API
  description: The CMSPage API from Knight Frank — 1 operation(s) for cmspage.
  humanURL: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  baseURL: https://api-v3.web.prd-knightfrank.com
  tags:
  - CMSPage
  properties:
  - type: OpenAPI
    url: openapi/knight-frank-cmspage-api-openapi.yml
  - type: APIReference
    url: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  - type: SwaggerJSON
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.json
  - type: SwaggerYAML
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.yaml
- aid: knight-frank:knight-frank-intelligencelab-api
  name: Knight Frank Intelligence Lab API
  description: The IntelligenceLab API from Knight Frank — 2 operation(s) for intelligencelab.
  humanURL: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  baseURL: https://api-v3.web.prd-knightfrank.com
  tags:
  - IntelligenceLab
  properties:
  - type: OpenAPI
    url: openapi/knight-frank-intelligencelab-api-openapi.yml
  - type: APIReference
    url: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  - type: SwaggerJSON
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.json
  - type: SwaggerYAML
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.yaml
- aid: knight-frank:knight-frank-office-api
  name: Knight Frank Office API
  description: The Office API from Knight Frank — 2 operation(s) for office.
  humanURL: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  baseURL: https://api-v3.web.prd-knightfrank.com
  tags:
  - Office
  properties:
  - type: OpenAPI
    url: openapi/knight-frank-office-api-openapi.yml
  - type: APIReference
    url: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  - type: SwaggerJSON
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.json
  - type: SwaggerYAML
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.yaml
- aid: knight-frank:knight-frank-person-api
  name: Knight Frank Person API
  description: The Person API from Knight Frank — 3 operation(s) for person.
  humanURL: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  baseURL: https://api-v3.web.prd-knightfrank.com
  tags:
  - Persons
  tags_raw:
  - Person
  properties:
  - type: OpenAPI
    url: openapi/knight-frank-person-api-openapi.yml
  - type: APIReference
    url: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  - type: SwaggerJSON
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.json
  - type: SwaggerYAML
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.yaml
- aid: knight-frank:knight-frank-search-api
  name: Knight Frank Search API
  description: The Search API from Knight Frank — 1 operation(s) for search.
  humanURL: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  baseURL: https://api-v3.web.prd-knightfrank.com
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/knight-frank-search-api-openapi.yml
  - type: APIReference
    url: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  - type: SwaggerJSON
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.json
  - type: SwaggerYAML
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.yaml
- aid: knight-frank:knight-frank-serviceline-api
  name: Knight Frank Service Line API
  description: The ServiceLine API from Knight Frank — 1 operation(s) for serviceline.
  humanURL: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  baseURL: https://api-v3.web.prd-knightfrank.com
  tags:
  - ServiceLine
  properties:
  - type: OpenAPI
    url: openapi/knight-frank-serviceline-api-openapi.yml
  - type: APIReference
    url: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  - type: SwaggerJSON
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.json
  - type: SwaggerYAML
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.yaml
- aid: knight-frank:knight-frank-telemetry-api
  name: Knight Frank Telemetry API
  description: The Telemetry API from Knight Frank — 1 operation(s) for telemetry.
  humanURL: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  baseURL: https://api-v3.web.prd-knightfrank.com
  tags:
  - Telemetry
  properties:
  - type: OpenAPI
    url: openapi/knight-frank-telemetry-api-openapi.yml
  - type: APIReference
    url: https://api-v3.web.prd-knightfrank.com/swagger/index.html
  - type: SwaggerJSON
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.json
  - type: SwaggerYAML
    url: https://api-v3.web.prd-knightfrank.com/swagger/v1/swagger.yaml
common:
- type: AgenticAccess
  url: agentic-access/knight-frank-agentic-access.yml
- type: DomainSecurity
  url: security/knight-frank-domain-security.yml
- type: Authentication
  url: authentication/knight-frank-authentication.yml
- type: OAuthScopes
  url: scopes/knight-frank-scopes.yml
- type: Conventions
  url: conventions/knight-frank-conventions.yml
- type: ErrorCatalog
  url: errors/knight-frank-error-responses.yml
- type: Lifecycle
  url: lifecycle/knight-frank-lifecycle.yml
- type: Conformance
  url: conformance/knight-frank-conformance.yml
- type: DataModel
  url: data-model/knight-frank-data-model.yml
- type: Packages
  url: packages/knight-frank-packages.yml
- type: WellKnown
  url: well-known/knight-frank-well-known.yml
- type: X-MCPServerCandidate
  url: mcp/knight-frank-mcp.yml
  note: 'Renamed from MCPServer 2026-09-03 (roadmap#247): the manifest self-describes as status: candidate — a tool list derived
    from the published API contracts, not an existing server. The scorer already read the manifest and reported mcp_server
    correctly; the MCPServer type was crediting the artifact-type surfaces with a server that does not exist.'
- type: LLMsTxt
  url: llms/knight-frank-llms.txt
- type: Overlay
  url: overlays/knight-frank-api-v3-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
- type: Arazzo
  name: Knight Frank office lookup
  url: arazzo/knight-frank-office-lookup.yml
- type: Support
  url: https://www.knightfrank.co.uk/contact-us
- type: Blog
  url: https://www.knightfrank.co.uk/newsroom
- type: TermsOfService
  url: https://www.knightfrank.com/legals/terms-and-conditions
- type: PrivacyPolicy
  url: https://www.knightfrank.com/legals/privacy-statement
- type: Website
  url: https://www.knightfrank.com/
- type: WebsiteUK
  url: https://www.knightfrank.co.uk/
- type: WebsiteUS
  url: https://www.knightfrank.com/usa
- type: PropertySearch
  url: https://www.knightfrank.co.uk/properties/residential/for-sale/london
- type: Research
  url: https://www.knightfrank.com/research
- type: Account
  url: https://account.knightfrank.com/
- type: Contact
  url: https://www.knightfrank.co.uk/contact-us
- type: Careers
  url: https://www.knightfrank.com/recruitment
- type: LinkedIn
  url: https://uk.linkedin.com/company/knight-frank
- type: OpenIDConfiguration
  url: authentication/knight-frank-b2c-mykfsignin-openid-configuration.json
- type: OpenIDConfiguration
  url: authentication/knight-frank-b2clogin-mykfsignin-openid-configuration.json
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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