# Particle Space

**Canonical:** https://apis.io/providers/particle-space/  
**Website:** https://particlespace.com/  
**APIs profiled:** 5

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.

## Kin Score — 33.1 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (-2.0 from 35.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 45.3 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 16.7 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

## Agent readiness — 22.9 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (5)

- **Particle Space Address Search API** — Address and property search / lookup.
- **Particle Space Comparables API** — Comparable properties for a subject property.
- **Particle Space Listings API** — For-sale, for-rent, and off-market property listings.
- **Particle Space Property Records API** — Property records and detailed attributes.
- **Particle Space Valuations API** — Automated valuation model (AVM) value and rent estimates.

## Agentic access (1)

- **Particle Space Agentic Access** — 7 operations

## Security (1)

- **Particle Space Authentication** — http · 1 scheme

## Plans (1)

- **Particle Space Plans Pricing**

## Tags

Real-Estate, Property Data, PropTech, Listings, Valuations

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/particle-space/). Scores are computed from the provider's own public artifacts under a published rubric.