Perchwell

Perchwell is a modern, unified MLS (Multiple Listing Service) technology platform used by MLS organizations, brokerages, and real estate agents across the United States. Founded in 2015 and headquartered in New York City, Perchwell provides search, client collaboration, listing add/edit, branded reports, and market analytics on a cloud-native, RESO-certified foundation. For developers and data partners, Perchwell operates three real estate data APIs: a simple token-authenticated JSON API for listing feeds, a RESO Data Dictionary certified RESO Web API (OData 4.01) exposing the standard Property, Member, Office, OpenHouse, and Media resources with full read/write support, and a legacy RETS 1.7 server for backward compatibility. Customers include CRMLS, Baldwin REALTORS, Engel & Volkers, and Keller Williams. Perchwell is SOC 2 compliant and backed by Lux Capital, Founders Fund, and Starwood Capital.

Perchwell publishes 7 APIs on the APIs.io network, including Listings API, Media API, Member API, and 4 more. Tagged areas include Company, Real Estate, MLS, Listings, and Property Data.

Perchwell’s developer surface includes documentation, API reference, getting-started guide, engineering blog, support, authentication, and 20 more developer resources.

45.6/100 developing ▬ flat Agent 65/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
8 APIs 1 MCP Servers
CompanyReal EstateMLSListingsProperty DataRESORETSODataReal Estate Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 45.6/100 · developing
Contract Quality 13.0 / 25
Developer Ergonomics 13.5 / 20
Commercial Clarity 8.4 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 65/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 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 0 / 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/perchwell: 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 8

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

Perchwell RETS API

Legacy RETS 1.7 server (DMQL2 query language) providing backward compatibility for RETS clients, exposing Listing, Agent, Brokerage, Office, and OpenHouse resources via the Sear...

Perchwell Listings API

Real estate sale and rental listing feed.

Perchwell Media API

RESO Media resource (nested within Property).

Perchwell Member API

RESO Member resource (agents).

Perchwell Metadata API

OData service metadata.

Perchwell Office API

RESO Office resource.

Perchwell OpenHouse API

RESO OpenHouse resource.

Perchwell Property API

RESO Property resource (listings; Media is nested).

Scroll for all 8

MCP Servers 1

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

perchwell-mcp.yml

MCP SERVER

Security Posture 2

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

Perchwell Authentication

apiKey/http · 3 schemes

SECURITY

Perchwell Domain Security

TLSv1.2 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Perchwell Agentic Access

18 operations · 8 acting

18 operations · 8 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 0
  pass: local-v1
aid: perchwell
name: Perchwell
description: 'Perchwell is a modern, unified MLS (Multiple Listing Service) technology platform used by MLS organizations,
  brokerages, and real estate agents across the United States. Founded in 2015 and headquartered in New York City, Perchwell
  provides search, client collaboration, listing add/edit, branded reports, and market analytics on a cloud-native, RESO-certified
  foundation. For developers and data partners, Perchwell operates three real estate data APIs: a simple token-authenticated
  JSON API for listing feeds, a RESO Data Dictionary certified RESO Web API (OData 4.01) exposing the standard Property, Member,
  Office, OpenHouse, and Media resources with full read/write support, and a legacy RETS 1.7 server for backward compatibility.
  Customers include CRMLS, Baldwin REALTORS, Engel & Volkers, and Keller Williams. Perchwell is SOC 2 compliant and backed
  by Lux Capital, Founders Fund, and Starwood Capital.'
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://perchwell.com/_media/favicon.ico
url: https://raw.githubusercontent.com/api-evangelist/perchwell/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- lux-capital
- founders-fund
- starwood-capital
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Real Estate
- MLS
- Listings
- Property Data
- RESO
- RETS
- OData
- Real Estate Data
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- name: Perchwell RETS API
  description: Legacy RETS 1.7 server (DMQL2 query language) providing backward compatibility for RETS clients, exposing Listing,
    Agent, Brokerage, Office, and OpenHouse resources via the Search and GetMetadata transactions.
  humanURL: https://docs.perchwell.com/#/rets_getting_started
  baseURL: http://rets.perchwell.com:6103
  properties:
  - type: GettingStarted
    url: https://docs.perchwell.com/#/rets_getting_started
- aid: perchwell:perchwell-listings-api
  name: Perchwell Listings API
  description: Real estate sale and rental listing feed.
  humanURL: https://docs.perchwell.com/#/json_api_getting_started
  baseURL: https://www.perchwell.com/api/feeds
  tags:
  - Listings
  properties:
  - type: OpenAPI
    url: openapi/perchwell-listings-api-openapi.yml
  - type: GettingStarted
    url: https://docs.perchwell.com/#/json_api_getting_started
  - type: GettingStarted
    url: https://docs.perchwell.com/#/reso_getting_started
- aid: perchwell:perchwell-media-api
  name: Perchwell Media API
  description: RESO Media resource (nested within Property).
  humanURL: https://docs.perchwell.com/#/json_api_getting_started
  baseURL: https://www.perchwell.com/api/feeds
  tags:
  - Media
  properties:
  - type: OpenAPI
    url: openapi/perchwell-media-api-openapi.yml
  - type: GettingStarted
    url: https://docs.perchwell.com/#/json_api_getting_started
  - type: GettingStarted
    url: https://docs.perchwell.com/#/reso_getting_started
- aid: perchwell:perchwell-member-api
  name: Perchwell Member API
  description: RESO Member resource (agents).
  humanURL: https://docs.perchwell.com/#/json_api_getting_started
  baseURL: https://www.perchwell.com/api/feeds
  tags:
  - Member
  properties:
  - type: OpenAPI
    url: openapi/perchwell-member-api-openapi.yml
  - type: GettingStarted
    url: https://docs.perchwell.com/#/json_api_getting_started
  - type: GettingStarted
    url: https://docs.perchwell.com/#/reso_getting_started
- aid: perchwell:perchwell-metadata-api
  name: Perchwell Metadata API
  description: OData service metadata.
  humanURL: https://docs.perchwell.com/#/json_api_getting_started
  baseURL: https://www.perchwell.com/api/feeds
  tags:
  - Metadata
  properties:
  - type: OpenAPI
    url: openapi/perchwell-metadata-api-openapi.yml
  - type: GettingStarted
    url: https://docs.perchwell.com/#/json_api_getting_started
  - type: GettingStarted
    url: https://docs.perchwell.com/#/reso_getting_started
- aid: perchwell:perchwell-office-api
  name: Perchwell Office API
  description: RESO Office resource.
  humanURL: https://docs.perchwell.com/#/json_api_getting_started
  baseURL: https://www.perchwell.com/api/feeds
  tags:
  - Office
  properties:
  - type: OpenAPI
    url: openapi/perchwell-office-api-openapi.yml
  - type: GettingStarted
    url: https://docs.perchwell.com/#/json_api_getting_started
  - type: GettingStarted
    url: https://docs.perchwell.com/#/reso_getting_started
- aid: perchwell:perchwell-openhouse-api
  name: Perchwell OpenHouse API
  description: RESO OpenHouse resource.
  humanURL: https://docs.perchwell.com/#/json_api_getting_started
  baseURL: https://www.perchwell.com/api/feeds
  tags:
  - OpenHouse
  properties:
  - type: OpenAPI
    url: openapi/perchwell-openhouse-api-openapi.yml
  - type: GettingStarted
    url: https://docs.perchwell.com/#/json_api_getting_started
  - type: GettingStarted
    url: https://docs.perchwell.com/#/reso_getting_started
- aid: perchwell:perchwell-property-api
  name: Perchwell Property API
  description: RESO Property resource (listings; Media is nested).
  humanURL: https://docs.perchwell.com/#/json_api_getting_started
  baseURL: https://www.perchwell.com/api/feeds
  tags:
  - Property
  properties:
  - type: OpenAPI
    url: openapi/perchwell-property-api-openapi.yml
  - type: GettingStarted
    url: https://docs.perchwell.com/#/json_api_getting_started
  - type: GettingStarted
    url: https://docs.perchwell.com/#/reso_getting_started
common:
- type: AgenticAccess
  url: agentic-access/perchwell-agentic-access.yml
- type: Website
  url: https://perchwell.com
- type: DeveloperPortal
  url: https://docs.perchwell.com
- type: Documentation
  url: https://docs.perchwell.com
- type: APIReference
  url: https://docs.perchwell.com
- type: GettingStarted
  url: https://docs.perchwell.com/#/json_api_getting_started
- type: Blog
  url: https://www.perchwell.com/blog
- type: Support
  url: mailto:support@perchwell.com
- type: GitHubOrganization
  url: https://github.com/perchwell
- type: TermsOfService
  url: https://www.perchwell.com/terms
- type: PrivacyPolicy
  url: https://www.perchwell.com/privacy-policy
- type: Login
  url: https://www.perchwell.com/accounts/sign_in
- type: HelpCenter
  url: http://support.perchwell.com/
- type: LLMsTxt
  url: llms/perchwell-llms.txt
- type: Authentication
  url: authentication/perchwell-authentication.yml
- type: Conventions
  url: conventions/perchwell-conventions.yml
- type: Conformance
  url: conformance/perchwell-conformance.yml
- type: Compliance
  url: conformance/perchwell-conformance.yml
- type: DataModel
  url: data-model/perchwell-data-model.yml
- type: Lifecycle
  url: lifecycle/perchwell-lifecycle.yml
- type: ErrorCatalog
  url: errors/perchwell-problem-types.yml
- type: MCPServer
  url: mcp/perchwell-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Overlay
  url: overlays/perchwell-json-api-overlay.yaml
- type: Overlay
  url: overlays/perchwell-reso-web-api-overlay.yaml
- type: DomainSecurity
  url: security/perchwell-domain-security.yml