CoreLogic / Cotality Vocabulary

name: CoreLogic / Cotality Vocabulary
description: >-
  Controlled vocabulary covering the resources, identifiers, and operational
  terms used across CoreLogic / Cotality data products and the Trestle Web
  API. Aligned with the RESO Data Dictionary 2.0 where applicable.
url: https://trestle-documentation.corelogic.com/
version: '1.0'
created: '2026-05-23'
modified: '2026-05-23'
brands:
  - name: CoreLogic
    description: Original brand; legal entity in U.S. property data since 1971 (separated from First American in 2010).
  - name: Cotality
    description: 2025 global rebrand spanning U.S., Australia, New Zealand, U.K., Canada, Germany, and India operations.
identifiers:
  - name: ListingKey
    description: RESO unique key for a listing record across all Trestle resources.
  - name: ListingId
    description: MLS-issued listing number visible to consumers.
  - name: MemberKey
    description: RESO unique key for an agent record.
  - name: OfficeKey
    description: RESO unique key for a brokerage office record.
  - name: MediaKey
    description: RESO unique key for a media (photo, video, document) record.
  - name: ContactKeyNumeric
    description: Matrix CRM numeric primary key for a Contact record.
  - name: UPI
    description: Universal Parcel Identifier — RESO 2.0 cross-MLS parcel identifier.
  - name: CLIP
    description: CoreLogic Linked Identifier for Parcels — proprietary machine-learning property ID.
resources:
  - name: Property
    description: An MLS listing record under the RESO Data Dictionary.
    standard: RESO Data Dictionary 2.0
  - name: Member
    description: An MLS agent record.
    standard: RESO Data Dictionary 2.0
  - name: Office
    description: An MLS brokerage office record.
    standard: RESO Data Dictionary 2.0
  - name: Media
    description: Photo, video, or document attached to a listing.
    standard: RESO Data Dictionary 2.0
  - name: OpenHouse
    description: A scheduled open-house event for a listing.
    standard: RESO Data Dictionary 2.0
  - name: Teams
    description: An MLS team grouping multiple members.
  - name: TeamMembers
    description: Membership relationships between Teams and Members.
  - name: PropertyRooms
    description: Per-room detail records for a listing.
  - name: PropertyUnitTypes
    description: Per-unit detail records for multi-unit listings.
  - name: HistoryTransactional
    description: Transactional change-history events for tracked resources.
  - name: CustomProperty
    description: MLS-specific extensions to the RESO Property resource.
  - name: Contacts
    description: Matrix MLS CRM contact records.
  - name: EmailHistory
    description: Messages sent to a CRM contact.
  - name: Lists
    description: Property lists / carts attached to a contact.
  - name: PortalContents
    description: Contact-scoped listing notes, views, and preferences.
  - name: SavedSearches
    description: Persistent listing search criteria with optional auto-email schedule.
  - name: UserRegistry
    description: Per-user preference key/value store.
products:
  - name: Trestle
    description: Multi-MLS aggregation platform with RESO Web API, RETS, and Direct Web API surfaces.
  - name: Matrix MLS
    description: Cotality's flagship MLS front-end used by most U.S. MLS organizations.
  - name: OneHome
    description: Agent-to-client experience layer (portal, alerts, collaboration).
  - name: 360 Property Data
    description: Bulk cloud / SFTP delivery of property, ownership, tax, mortgage, and hazard data.
  - name: Climate Risk Analytics
    description: Parcel- and structure-level climate risk products (chronic and acute perils).
  - name: Discovery Platform
    description: Internal data-exploration and modeling surface (not publicly documented).
  - name: Hazard HQ Command Central
    description: Real-time event-driven hazard monitoring product.
authentication:
  - name: OAuth2 Client Credentials
    description: Used by Trestle RESO Web API. POST to /trestle/oidc/connect/token with scope=api; tokens valid 8 hours.
  - name: OAuth2 Bearer Token
    description: Used by Trestle RETS with scope=rets.
  - name: HTTP Basic
    description: Allowed for Trestle RETS and Direct Web API.
  - name: Clareity Single Sign-On (OIDC)
    description: Used for end-user authentication with the Direct Web API.
queryOptions:
  - name: $filter
    description: OData filter expression. Field names are case-sensitive.
  - name: $select
    description: Comma-separated list of fields to return.
  - name: $expand
    description: Inline-expand related resources.
  - name: $orderby
    description: Sort fields with optional asc/desc.
  - name: $top
    description: Max records per page (default 10, max 1000; 300000 for key-only queries).
  - name: $skip
    description: Pagination offset.
  - name: $count
    description: Boolean flag to include the total matching record count.
  - name: $apply
    description: Apply transformation (e.g. groupby); max 10000 result rows.
  - name: Replication
    description: Enable high-volume replication mode for 1M+ row datasets.
  - name: PrettyEnums
    description: Return human-readable enumeration values.
perils:
  chronic:
    - cold-wave
    - heat-wave
    - extreme-precipitation
    - drought
  acute:
    - wildfire
    - flood
    - hurricane
    - severe-convective-storm
    - earthquake
ipccScenarios:
  - SSP1-2.6
  - SSP2-4.5
  - SSP3-7.0
  - SSP5-8.5
projectionHorizons:
  - 2030
  - 2040
  - 2050
deliveryChannels:
  - REST API (Trestle)
  - AWS Data Share
  - Databricks
  - Google Cloud
  - Microsoft Azure
  - Snowflake
  - SFTP