MLSync.io
Sync & Import MLS Data Smarter
The most powerful RESO Web API synchronization and property data import platform for real estate professionals with virtual fields, change tracking, full SQL access, and AI-ready search APIs.
Build faster, scale smarter, and innovate with confidence using MLSync.io
Trusted by Our Customers
What is MLSync.io?
MLSync.io is a powerful synchronization and property data import platform built to replicate MLS data from RESO Web API sources like Trestle, MLS Grid, or Bridge Interactive into your own infrastructure.
Unlike older RETS-based systems, MLSync.io embraces the modern RESO Web API standard for seamless, secure, and real-time replication and property data import. You get full control over your data and the ability to store it in SQL, power full-text search, and integrate AI functionality.
With MLSync.io, you can track sync status, view property history, and configure your sync behavior using our intuitive dashboard or automated pipelines. It helps answer questions like:
- How can I avoid building complex RESO Web API integration from scratch?
- How do I ensure my MLS data stays in sync without hitting API rate limits?
- How can I customize imported MLS data fields without complex development work?
- How do I get started quickly without months of development time?
- How can I leverage AI for property insights without building ML infrastructure?
- How can I build property market trend reports without complex data engineering?
Powerful Features
🔄 Full RESO Web API Sync
- Configurable data replication interval
- Easy replication filters setup
- Automatic reconciliation
- Change tracking and history
🔍 Data Enrichment
- Custom field calculations
- Built-in Property labeling
- Custom property categorization
- Quality scoring metrics
✨ Visual Schema Customization
- Easy schema configuration
- Create virtual fields with custom logic
- Adapt MLS data for your business needs
🔢 Full SQL + Auto REST API
- Full SQL querying support
- Instant REST API generation
- Comprehensive OpenAPI documentation
🧐 AI-Ready Search & Insights
- Smart search with autocomplete
- Polygon search for geographic areas
- Statistical data for search insights
📊 Historical Data Tracking
- Track property listing changes
- Analyze market dynamics over time
- Access full property history
✨ Instant Full-Text Search
- Blazing fast search queries
- Configurable indexing strategies
- Out-of-the-box search API
Pricing Plans
Startup
Perfect for growing real estate tech companies
from $199/mo
- Sync MLS data up to every 30 minutes
- 15 GB database storage
- Complete schema config
- Virtual fields & labeling
- Property change tracking & history
- Synchronization logs & statistics
- Full SQL access
- REST API with OpenAPI documentation
- Model Context Protocol (MCP) support
- Fulltext search
- Intelligent typeahead search (add-on)
- Advanced Prometheus metrics
Business
For established companies with high-volume needs
from $499/mo
- All in Startup +
- Sync MLS data up to every 15 minutes
- 50 GB database storage + 50 GB for images
- Database with disaster recovery
- High-availability REST API with OpenAPI documentation
- Improved API response schema for reduced request count
- Hosted property images with optimized size (WEBP)
- Intelligent typeahead search
- Interactive tech support
- Synchronization hooks
- Advanced Monitoring and alerting
Enterprise
Custom solutions for large-scale operations
Contact Us
- All in Business +
- Custom database REST API
- Custom labeling
- Custom automated reports
- Advanced API key management
- Hosted property images with multi-size and quality options (with optional CDN)
- Notification integrations (beta)
- White-glove onboarding
- Priority support
Explorer
Start small with data exports
$29/mo/MLS
$49/mo/MLS
- Daily data exports
- CSV, SQLite, Parquet file formats
- Basic schema configuration
BYOD
Use your own database infrastructure
$49/mo/MLS
$69/mo/MLS
- Sync MLS data up to every 15 minutes
- Complete schema config
- Virtual fields & labeling
- Synchronization logs & statistics
- Prometheus metrics
BYOE
Custom search with your Elasticsearch
$79/mo/MLS
$99/mo/MLS
- Sync MLS data up to every 15 minutes
- Complete schema config
- Virtual fields & labeling
- Elasticsearch index templates
- Fulltext search configuration
- Synchronization logs & statistics
- Prometheus metrics
How We Compare
| Feature | MLSync.io | OpenResync | Bridge Interactive | MLS Import | SimplyRETS |
|---|---|---|---|---|---|
| Custom Schema Dashboard | ✅ | ⚒️ | ❌ | ❌ | ❌ |
| Virtual Fields & Labeling | ✅ | ⚒️ | ❌ | ❌ | ❌ |
| SQL Queries | ✅ | ⚒️ | ❌ | ✅ | ❌ |
| REST API | ✅ | ⚒️ | Limited | ✅ | ✅ |
| AI & Full-text Search Ready | ✅ | ⚒️ | ❌ | ❌ | ❌ |
| Property Change Tracking | ✅ | ⚒️ | ❌ | ❌ | ❌ |
Frequently Asked Questions
Why use MLSync.io instead of direct RESO Web API integration?
Direct RESO Web API access often comes with strict request quotas and incomplete functionality for building modern applications. MLSync.io eliminates these limitations while saving you weeks or months of development time. Rather than implementing complex RESO replication and import yourself, you can immediately start building your application with our straightforward REST API and SQL queries.
What MLS providers do you support?
We support all MLS providers in the US and Canada that offer RESO Web API or RETS access. Our system is adaptable to nearly any MLS data feed and can handle both modern RESO Web API imports and legacy RETS data imports.
How does the synchronization and import work?
We use the RESO Web API to replicate and import MLS data from your MLS provider into your own infrastructure. We support both real-time sync and batch import modes, allowing you to choose the best approach for your needs.
Do you support RETS?
Yes, we can support legacy RETS connections, though it requires additional configuration and testing. While we have tools to help convert RETS data to modern structures, the process needs careful attention to ensure accurate mapping and data integrity. Contact us for more information about our RETS import support.
Which data can be imported from MLS?
We support import of all standard RESO data including property listings, agents, offices, open houses, and media (photos, videos, virtual tours). We can also import custom fields specific to your MLS provider. The data is imported incrementally to capture all changes while maintaining historical records.
How often does the synchronization run?
You can configure synchronization schedules up to every 15 minutes or hourly or daily batch updates, depending on your needs.
Can I customize my database structure for imported data?
Yes! Our visual schema editor allows you to create virtual fields using simple SQL queries, rename attributes, and optimize your data model exactly as needed for your imported MLS data. We also have a set of common virtual fields that are already prepared for you (i.e. street name, full address, coordinates, etc.)
What kind of API request performance can I expect?
Our REST API is highly optimized and typically responds in under 100ms for most queries even under high load. For Business and Enterprise plans, we also offer enhanced response schemas to reduce the number of required API calls.
What kind of database performance can I expect?
As RESO is a complex data standard, the primary database purpose is to be our primary source of truth, that can answer even the most complex queries. For building your own tools on top of MLS data, we recommend using our REST API with low latency and high performance.
Which databases do you support for MLS data import?
We primarily support PostgreSQL as our database of choice for MLS data import. For BYOD (Bring Your Own Database) plans, other databases like MySQL may be supported - contact us to discuss your specific database requirements for MLS data import.
Do you support other fulltext search engines besides Elasticsearch?
Yes! While Elasticsearch is a common choice, we also support other popular search engines like OpenSearch, Apache Solr, Meilisearch, and Typesense. Each has its own strengths and we can help you choose the best option for your specific needs.
Can I try it before ordering?
Yes! Contact us for a 90-day demo account to explore MLSync.io's features and capabilities before making a commitment.
Is there a money-back guarantee?
Yes, we offer a 30-day money-back for Explorer, BYOD and BYOE plans so you can fully try MLS synchronization with your MLS provider risk-free.
Who is MLSync.io For?
MLSync.io is designed for anyone who needs complete and customizable synchronization of MLS data and easy access to the them without any limits or quotas. Whether you're building real estate search platforms, market analytics, or CRM tools, our sync platform empowers you to take full control.
- Brokerages looking to build internal tools or consumer portals.
- Real Estate Tech Startups building apps on top of MLS data.
- Data Analysts needing reliable, queryable, and structured property records.
- Marketing Teams enriching listings with dynamic tagging, labeling, and visuals.
- Developers & Integrators needing clean APIs and sync automation.
Contact Us
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