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ATTOM

5 APIs 11 Capabilities 0 Features
Real EstateProperty DataProperty IntelligenceMortgageAssessmentAVMForeclosureTransactionsOwner DataBuilding PermitsGeospatialBoundariesDemographicsNeighborhoodPOIInsuranceMortgage TechnologyPropTech

ATTOM publishes 5 APIs on the APIs.io network, including Property API, Area API, POI API, and 2 more. Tagged areas include Real Estate, Property Data, Property Intelligence, Mortgage, and Assessment.

The ATTOM catalog on APIs.io includes 11 machine-runnable capabilities, 1 JSON-LD context, and 1 Spectral governance ruleset.

ATTOM’s developer surface includes developer portal, documentation, signup flow, engineering blog, support, GitHub presence, SDKs, and 24 more developer resources.

APIs

ATTOM Property API

Comprehensive property intelligence for 160M+ U.S. properties. Resources cover /property, /assessment, /assessmenthistory, /sale, /saleshistory, /salescomparables, /attomavm, /a...

ATTOM Area API

Area and boundary lookup for state, county, CBSA, neighborhood, school zone, ZIP, and other geographic units. Resources include /area/boundary/detail (GeoJSON boundary polygons)...

ATTOM POI API

Points of Interest search and category lookup across 120+ business categories — restaurants, banks, shopping, services, and more. Search by point (lat/lon + radius) or address; ...

ATTOM Community API

Neighborhood-level community profile data including demographics, population, household income, crime indices, weather, commute, education, and quality-of-life metrics. Resource...

ATTOM Parcel Tiles API

Vector parcel tile service for rendering ATTOM parcel boundaries on web/mobile maps. Tile endpoints return styled parcel geometries suitable for Mapbox, MapLibre, and Leaflet in...

Capabilities

ATTOM Area API — Area

ATTOM Area — boundary, hierarchy, and lookup for U.S. states, counties, CBSAs, neighborhoods, and ZIPs. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM Community API — Community

ATTOM Community — neighborhood community profile (demographics, crime, weather, commute, education). Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM Parcel Tiles API — Tiles

ATTOM Parcel Tiles — Mapbox-style vector tiles of U.S. parcel boundaries. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM POI API — POI

ATTOM Points of Interest — POI search by point or address, and category lookup across 120+ business categories. Self-contained Naftiko capability covering one ATTOM business sur...

Run with Naftiko

ATTOM Property API — All Events

ATTOM All Events — combined assessment, AVM, and sales-transaction events for a property. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM Property API — Assessment

ATTOM Assessment — assessed value, tax liability, and assessment history. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM Property API — AVM

ATTOM AVM — Automated Valuation Model: current AVM, AVM history, rental AVM, and home equity. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM Property API — Building Permits

ATTOM Building Permits — building permit records associated with a property. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM Property API — Property

ATTOM Property API — Property characteristics, ownership, and address resolution. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM Property API — Sale

ATTOM Sale — sales transactions, sales history, and comparable sales. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

ATTOM Property API — School

ATTOM School — school and school-district assignments for a property. Self-contained Naftiko capability covering one ATTOM business surface.

Run with Naftiko

Semantic Vocabularies

Attomdata Context

0 classes · 10 properties

JSON-LD

API Governance Rules

ATTOM API Rules

10 rules · 6 errors 3 warnings 1 info

SPECTRAL

Resources

🌐
Portal
Portal
🌐
DeveloperPortal
DeveloperPortal
🔗
Documentation
Documentation
🔗
Documentation
Documentation
📝
SignUp
SignUp
🔗
Login
Login
🔗
Documentation
Documentation
🔗
Documentation
Documentation
🔗
Documentation
Documentation
🔗
Documentation
Documentation
📰
Blog
Blog
🔗
Documentation
Documentation
🔗
Documentation
Documentation
🔗
Documentation
Documentation
💬
Support
Support
🔗
LinkedIn
LinkedIn
🔗
Twitter
Twitter
🔗
Facebook
Facebook
👥
GitHub
GitHub
🔗
Postman
Postman
📦
SDK
SDK
📦
SDK
SDK
📦
SDK
SDK
📦
SDK
SDK
🔗
ContactEmail
ContactEmail
🔗
ContactPhone
ContactPhone
🔗
Plans
Plans
🔗
RateLimits
RateLimits
🔗
FinOps
FinOps
🔗
Vocabulary
Vocabulary
🔗
SpectralRules
SpectralRules

Sources

Raw ↑ 
aid: attomdata
url: https://raw.githubusercontent.com/api-evangelist/attomdata/refs/heads/main/apis.yml
apis:
- aid: attomdata:attom-property-api
  name: ATTOM Property API
  tags:
  - Property
  - Real Estate
  - Assessment
  - AVM
  - Sales
  - Mortgage
  - Owner
  - Building Permits
  - Foreclosure
  humanURL: https://api.developer.attomdata.com/docs
  baseURL: https://api.gateway.attomdata.com/propertyapi/v1.0.0
  properties:
  - url: https://api.developer.attomdata.com/docs
    type: Documentation
  - url: openapi/attom-property-api-openapi.yml
    type: OpenAPI
  - url: https://github.com/AttomDataSolutions/postman-collections
    type: Postman
  - url: json-schema/attom-property-schema.json
    type: JSONSchema
  - url: json-schema/attom-assessment-schema.json
    type: JSONSchema
  - url: json-schema/attom-sale-schema.json
    type: JSONSchema
  - url: json-schema/attom-avm-schema.json
    type: JSONSchema
  - url: json-ld/attomdata-context.jsonld
    type: JSONLD
  - url: capabilities/property-property.yaml
    type: NaftikoCapability
  - url: capabilities/property-assessment.yaml
    type: NaftikoCapability
  - url: capabilities/property-sale.yaml
    type: NaftikoCapability
  - url: capabilities/property-avm.yaml
    type: NaftikoCapability
  - url: capabilities/property-allevents.yaml
    type: NaftikoCapability
  - url: capabilities/property-school.yaml
    type: NaftikoCapability
  - url: capabilities/property-permits.yaml
    type: NaftikoCapability
  - url: examples/attom-property-detail-example.json
    type: Example
  description: Comprehensive property intelligence for 160M+ U.S. properties. Resources cover /property,
    /assessment, /assessmenthistory, /sale, /saleshistory, /salescomparables, /attomavm, /avm, /avmhistory,
    /rentalavm, /homeequity, /allevents, /school, /transportationnoise, /preforeclosure, and /property/buildingpermits,
    each available in `snapshot` and `detail` packages. Returns property characteristics, ownership and
    mortgage records, assessed values and tax history, sales history, AVM valuations (current and historical),
    rental AVM, home equity, school assignments, transportation noise, foreclosure status, and building
    permits. Inputs include AttomID, address, address1/address2, and geographic radius/bounding box.
- aid: attomdata:attom-area-api
  name: ATTOM Area API
  tags:
  - Geography
  - Boundary
  - Parcel
  - GeoID
  - CBSA
  - County
  - State
  humanURL: https://api.developer.attomdata.com/docs
  baseURL: https://api.gateway.attomdata.com/areaapi
  properties:
  - url: https://api.developer.attomdata.com/docs
    type: Documentation
  - url: openapi/attom-area-api-openapi.yml
    type: OpenAPI
  - url: json-schema/attom-area-schema.json
    type: JSONSchema
  - url: capabilities/area-area.yaml
    type: NaftikoCapability
  - url: examples/attom-area-hierarchy-example.json
    type: Example
  description: Area and boundary lookup for state, county, CBSA, neighborhood, school zone, ZIP, and other
    geographic units. Resources include /area/boundary/detail (GeoJSON boundary polygons), /area/hierarchy/lookup
    (geographic hierarchy for a lat/lon), /area/state/lookup, /area/county/lookup, /area/cbsa/lookup,
    /area/geoid/lookup, /area/geoId/legacyLookup, and the v4 /v4/location/lookup that resolves any geoIdV4
    to its location metadata.
- aid: attomdata:attom-poi-api
  name: ATTOM POI API
  tags:
  - Points Of Interest
  - Neighborhood
  - Business
  - Search
  humanURL: https://api.developer.attomdata.com/docs
  baseURL: https://api.gateway.attomdata.com
  properties:
  - url: https://api.developer.attomdata.com/docs
    type: Documentation
  - url: openapi/attom-poi-api-openapi.yml
    type: OpenAPI
  - url: capabilities/poi-poi.yaml
    type: NaftikoCapability
  - url: examples/attom-poi-search-example.json
    type: Example
  description: Points of Interest search and category lookup across 120+ business categories — restaurants,
    banks, shopping, services, and more. Search by point (lat/lon + radius) or address; filter by category,
    line of business, and industry. Returns POIs with names, categories, distances, and addresses.
- aid: attomdata:attom-community-api
  name: ATTOM Community API
  tags:
  - Community
  - Neighborhood
  - Demographics
  - Crime
  - Weather
  - Schools
  - Location
  humanURL: https://api.developer.attomdata.com/docs
  baseURL: https://api.gateway.attomdata.com
  properties:
  - url: https://api.developer.attomdata.com/docs
    type: Documentation
  - url: openapi/attom-community-api-openapi.yml
    type: OpenAPI
  - url: json-schema/attom-community-schema.json
    type: JSONSchema
  - url: capabilities/community-community.yaml
    type: NaftikoCapability
  - url: examples/attom-community-neighborhood-example.json
    type: Example
  description: Neighborhood-level community profile data including demographics, population, household
    income, crime indices, weather, commute, education, and quality-of-life metrics. Resources cover
    /v4.0.0/neighborhood/community (community profile by geoIdV4) and /v4/location/lookup for resolving
    locations by geoIdV4 and geography-type abbreviation (ZI, ND, CO, ST, etc.).
- aid: attomdata:attom-parcel-tiles-api
  name: ATTOM Parcel Tiles API
  tags:
  - Parcel
  - Tiles
  - Mapping
  - GeoJSON
  - Vector Tiles
  humanURL: https://api.developer.attomdata.com/docs
  baseURL: https://api.gateway.attomdata.com
  properties:
  - url: https://api.developer.attomdata.com/docs
    type: Documentation
  - url: openapi/attom-parcel-tiles-api-openapi.yml
    type: OpenAPI
  - url: capabilities/parcel-tiles-tiles.yaml
    type: NaftikoCapability
  description: Vector parcel tile service for rendering ATTOM parcel boundaries on web/mobile maps.
    Tile endpoints return styled parcel geometries suitable for Mapbox, MapLibre, and Leaflet integrations.
    Includes authentication via API key and per-zoom-level tile endpoints.
name: ATTOM
tags:
- Real Estate
- Property Data
- Property Intelligence
- Mortgage
- Assessment
- AVM
- Foreclosure
- Transactions
- Owner Data
- Building Permits
- Geospatial
- Boundaries
- Demographics
- Neighborhood
- POI
- Insurance
- Mortgage Technology
- PropTech
kind: contract
image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
access: 3rd-Party
common:
- url: https://www.attomdata.com/
  name: ATTOM Home
  type: Portal
- url: https://api.developer.attomdata.com/
  name: ATTOM Developer Platform
  type: DeveloperPortal
- url: https://api.developer.attomdata.com/docs
  name: ATTOM API Documentation
  type: Documentation
- url: https://api.developer.attomdata.com/docs/guides
  name: ATTOM Developer Guides
  type: Documentation
- url: https://api.developer.attomdata.com/signup
  name: Sign Up — Free 30-Day Trial
  type: SignUp
- url: https://api.developer.attomdata.com/login
  name: Developer Login
  type: Login
- url: https://www.attomdata.com/solutions/property-data-api/
  name: Property Data API
  type: Documentation
- url: https://www.attomdata.com/solutions/bulk-data-licensing/
  name: Bulk Data Licensing
  type: Documentation
- url: https://www.attomdata.com/solutions/cloud-delivery/
  name: Cloud Data Delivery (Snowflake, Databricks, MCP)
  type: Documentation
- url: https://www.attomdata.com/data/
  name: All Data Categories
  type: Documentation
- url: https://www.attomdata.com/news/most-recent/
  name: ATTOM Insights (Blog)
  type: Blog
- url: https://www.attomdata.com/insights/white-papers/
  name: White Papers
  type: Documentation
- url: https://www.attomdata.com/webinars/
  name: Webinars
  type: Documentation
- url: https://www.attomdata.com/glossary/
  name: Glossary
  type: Documentation
- url: https://www.attomdata.com/contact-us/
  name: Contact ATTOM
  type: Support
- url: https://www.linkedin.com/company/attomdata
  name: LinkedIn
  type: LinkedIn
- url: https://twitter.com/attomdata
  name: X / Twitter
  type: Twitter
- url: https://www.facebook.com/attomdata
  name: Facebook
  type: Facebook
- url: https://github.com/AttomDataSolutions
  name: ATTOM GitHub Org
  type: GitHub
- url: https://github.com/AttomDataSolutions/postman-collections
  name: Postman Collections — Property and Area APIs
  type: Postman
- url: https://github.com/AttomDataSolutions/Sample_Code
  name: Sample Code Repository (PHP)
  type: SDK
- url: https://github.com/AttomDataSolutions/School_Sample_Code
  name: School Sample Code (PHP)
  type: SDK
- url: https://github.com/AttomDataSolutions/POI_Sample_Code
  name: POI Sample Code (PHP)
  type: SDK
- url: https://github.com/AttomDataSolutions/Community_Sample_Code
  name: Community Sample Code (PHP)
  type: SDK
- type: ContactEmail
  url: mailto:[email protected]
- type: ContactPhone
  url: tel:+18004625125
- type: Plans
  url: plans/attomdata-plans-pricing.yml
- type: RateLimits
  url: rate-limits/attomdata-rate-limits.yml
- type: FinOps
  url: finops/attomdata-finops.yml
- type: Vocabulary
  url: vocabulary/attomdata-vocabulary.yml
- type: SpectralRules
  url: rules/attomdata-rules.yml
maintainers:
- FN: Kin Lane
  email: [email protected]
  url: https://apievangelist.com
created: '2026-05-25'
modified: '2026-05-25'
specificationVersion: '0.16'