# Bright MLS

**Canonical:** https://apis.io/providers/bright-mls/  
**Website:** https://www.brightmls.com  
**APIs profiled:** 3

Bright MLS is one of the largest multiple listing services in the United States, serving real estate professionals across the Mid-Atlantic. Its developer portal (developer.brightmls.com, a SwaggerHub Portal) documents the RESO Web API (OData, RESO Data Dictionary 1.6 Platinum certified) for licensed listing data and the ShowingHub showing-scheduling interoperability API, and its public SwaggerHub registry publishes OpenAPI contracts for the Data Hub ingestion and DataLake distribution services and the Manifest Services API for media vendors.

## Kin Score — 43.9 / 100 (developing)

Scored 2026-11-06 under rubric 0.27.0. Trend: falling (-10.2 from 54.1).

| Facet | Score |
|---|---|
| Discoverability | 69.6 |
| Contract Quality | 59.9 |
| Contract Governance | 35.6 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 19.0 |
| Access Clarity | 61.8 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 20.6 (matched via fallback).

## Agent readiness — 27.1 (agent-aware)

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

## Access

Paid — onboarding: unknown, pricing: paid, trial: no (confidence: medium).

## APIs (7)

- **Bright MLS RESO Web API** — OData-based RESO Web API giving licensed vendors access to Bright MLS listing data described by the RESO Data Dictionary; the $metadata document and the service root require a b...
- **Bright MLS ShowingHub API** — ShowingHub is an MLS-provided service for interoperability between showing-scheduling systems, covering registrations and transfers, appointments and event notifications through...
- **Bright MLS Auth API** — The Auth API from Bright MLS — 1 operation(s) for auth.
- **Bright MLS Listing API** — The Listing API from Bright MLS — 2 operation(s) for listing.
- **Bright MLS Manifests API** — Operations available to Manifests
- **Bright MLS User API** — The User API from Bright MLS — 1 operation(s) for user.
- **Bright MLS Data Hub API** — The Data Hub API from Bright MLS — 1 operation(s) for data hub.

## Agentic access (1)

- **Bright Mls Agentic Access** — 7 operations · 4 acting

## Security (2)

- **Bright Mls Authentication** — apiKey · 3 schemes
- **Bright Mls Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Bright Mls Plans Pricing**

## Tags

Company, Real Estate, MLS, RESO, OData, Listings, Property Data

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