Particle Space

Particle Space is proptech infrastructure that exposes real-estate and property data through a REST API, Dashboard, SDKs, and white-labeled UIs. The platform provides real-time access to millions of properties for sale, rent, and off-market - property records, address and property search, valuations, comparables, and listings - using publishable and secret API keys with live and test modes.

Particle Space publishes 5 APIs on the APIs.io network, including Address Search API, Comparables API, Listings API, and 2 more. Tagged areas include Real Estate, Property Data, PropTech, Listings, and Valuations.

Particle Space’s developer surface includes authentication, documentation, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

37.8/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessFreemiumSelf serve⚡ Free to try

5 APIs

Real EstateProperty DataPropTechListingsValuations

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 37.8/100 · thin

Contract Quality 15.2 / 25

Developer Ergonomics 3.9 / 20

Commercial Clarity 7.9 / 20

Operational Transparency 3.4 / 13

Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 31/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

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/particle-space: 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 5

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

Rate Limits 1

Documented rate limits and quota policies.

Particle Space Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

LinkedIn

Website

Website

Source (apis.yml)

aid: particle-space
url: https://raw.githubusercontent.com/api-evangelist/particle-space/refs/heads/main/apis.yml
name: Particle Space
kind: company
description: Particle Space is proptech infrastructure that exposes real-estate and property data through a REST API, Dashboard,
  SDKs, and white-labeled UIs. The platform provides real-time access to millions of properties for sale, rent, and off-market
  - property records, address and property search, valuations, comparables, and listings - using publishable and secret API
  keys with live and test modes.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/particle-space.png
tags:
- Real Estate
- Property Data
- PropTech
- Listings
- Valuations
created: '2026-06-21'
modified: '2026-06-21'
specificationVersion: '0.19'
apis:
- aid: particle-space:particle-space-address-search-api
  name: Particle Space Address Search API
  description: Address and property search / lookup.
  humanURL: https://docs.particlespace.com/docs/intro/
  baseURL: https://api.particlespace.com
  tags:
  - Address Search
  properties:
  - type: OpenAPI
    url: openapi/particle-space-address-search-api-openapi.yml
  - type: Documentation
    url: https://docs.particlespace.com/docs/intro/
  - type: PostmanCollection
    url: collections/particle-space.postman_collection.json
  - type: OpenCollection
    url: collections/particle-space.opencollection.json
- aid: particle-space:particle-space-comparables-api
  name: Particle Space Comparables API
  description: Comparable properties for a subject property.
  humanURL: https://docs.particlespace.com/docs/intro/
  baseURL: https://api.particlespace.com
  tags:
  - Comparables
  properties:
  - type: OpenAPI
    url: openapi/particle-space-comparables-api-openapi.yml
  - type: Documentation
    url: https://docs.particlespace.com/docs/intro/
  - type: PostmanCollection
    url: collections/particle-space.postman_collection.json
  - type: OpenCollection
    url: collections/particle-space.opencollection.json
- aid: particle-space:particle-space-listings-api
  name: Particle Space Listings API
  description: For-sale, for-rent, and off-market property listings.
  humanURL: https://docs.particlespace.com/docs/intro/
  baseURL: https://api.particlespace.com
  tags:
  - Listings
  properties:
  - type: OpenAPI
    url: openapi/particle-space-listings-api-openapi.yml
  - type: Documentation
    url: https://docs.particlespace.com/docs/intro/
  - type: PostmanCollection
    url: collections/particle-space.postman_collection.json
  - type: OpenCollection
    url: collections/particle-space.opencollection.json
- aid: particle-space:particle-space-property-records-api
  name: Particle Space Property Records API
  description: Property records and detailed attributes.
  humanURL: https://docs.particlespace.com/docs/intro/
  baseURL: https://api.particlespace.com
  tags:
  - Property Records
  properties:
  - type: OpenAPI
    url: openapi/particle-space-property-records-api-openapi.yml
  - type: Documentation
    url: https://docs.particlespace.com/docs/intro/
  - type: PostmanCollection
    url: collections/particle-space.postman_collection.json
  - type: OpenCollection
    url: collections/particle-space.opencollection.json
- aid: particle-space:particle-space-valuations-api
  name: Particle Space Valuations API
  description: Automated valuation model (AVM) value and rent estimates.
  humanURL: https://docs.particlespace.com/docs/intro/
  baseURL: https://api.particlespace.com
  tags:
  - Valuations
  properties:
  - type: OpenAPI
    url: openapi/particle-space-valuations-api-openapi.yml
  - type: Documentation
    url: https://docs.particlespace.com/docs/intro/
  - type: PostmanCollection
    url: collections/particle-space.postman_collection.json
  - type: OpenCollection
    url: collections/particle-space.opencollection.json
common:
- type: AgenticAccess
  url: agentic-access/particle-space-agentic-access.yml
- type: Authentication
  url: authentication/particle-space-authentication.yml
- type: GitHubOrganization
  url: https://github.com/particlespace
- type: LinkedIn
  url: https://www.linkedin.com/company/particle-space
- type: Website
  url: https://particlespace.com/
- type: Documentation
  url: https://docs.particlespace.com/
- type: Plans
  url: plans/particle-space-plans-pricing.yml
- type: RateLimits
  url: rate-limits/particle-space-rate-limits.yml
- type: FinOps
  url: finops/particle-space-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Particle Space

Kin Score

APIs 5

Particle Space Address Search API

Particle Space Comparables API

Particle Space Listings API

Particle Space Property Records API

Particle Space Valuations API

Open Collections 1

Particle Space API

Pricing Plans 1

Particle Space Plans Pricing