MLS Listing Data Synchronization

System ↔ System

Subscribe to MLS feed, normalize, deduplicate, and push to portals.

6 nodes · 5 edgesreal-estate

apidbsystem

Visual

MLS Feed Subscriptionapi

RETS/Web API pull of new and updated listings.

↓sequential→ Data Normalization

Data Normalizationsystem

Map MLS-specific fields to canonical schema, standardize addresses.

↓sequential→ Duplicate Detection

Duplicate Detectionsystem

Fuzzy match on address + MLS number to prevent duplicate listings.

↓sequential→ Local DB Update

Local DB Updatedb

Upsert listings into PostgreSQL with change-data-capture logging.

↓sequential→ Portal Push

↓parallel→ Search Index Refresh

Portal Pushapi

Distribute updated listings to Zillow, Realtor.com, and brokerage site.

Search Index Refreshsystem

Reindex updated listings in Elasticsearch for site search.

Open in Editor

uc-mls-data-sync.osop.yaml

osop_version: "1.0"
id: "mls-data-sync"
name: "MLS Listing Data Synchronization"
description: "Subscribe to MLS feed, normalize, deduplicate, and push to portals."

nodes:
  - id: "mls_feed"
    type: "api"
    subtype: "rest"
    name: "MLS Feed Subscription"
    description: "RETS/Web API pull of new and updated listings."
    retry_policy:
      max_attempts: 3
      backoff: "exponential"
    timeout_sec: 120

  - id: "normalize"
    type: "system"
    name: "Data Normalization"
    description: "Map MLS-specific fields to canonical schema, standardize addresses."

  - id: "dedup"
    type: "system"
    name: "Duplicate Detection"
    description: "Fuzzy match on address + MLS number to prevent duplicate listings."

  - id: "db_update"
    type: "db"
    name: "Local DB Update"
    description: "Upsert listings into PostgreSQL with change-data-capture logging."

  - id: "portal_push"
    type: "api"
    subtype: "rest"
    name: "Portal Push"
    description: "Distribute updated listings to Zillow, Realtor.com, and brokerage site."
    timeout_sec: 60

  - id: "index_refresh"
    type: "system"
    name: "Search Index Refresh"
    description: "Reindex updated listings in Elasticsearch for site search."

edges:
  - from: "mls_feed"
    to: "normalize"
    mode: "sequential"
  - from: "normalize"
    to: "dedup"
    mode: "sequential"
  - from: "dedup"
    to: "db_update"
    mode: "sequential"
  - from: "db_update"
    to: "portal_push"
    mode: "sequential"
  - from: "db_update"
    to: "index_refresh"
    mode: "parallel"

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