MLS integration services. RESO Web API, RETS legacy, IDX feeds
Specialist MLS integration for brokerages, real estate marketplaces, and PropTech platforms. RESO Web API, RETS, IDX broker feeds, MLS Grid, Bridge, Spark, Trestle. Across 40+ MLSs in US and Canada.
Trusted by 50+ operators, PropTech companies & digital-first brands
Harrington Housing
Hive Coliv
Edge Living
CDA Coliving
Fllat
Volley
TheVibes
CasaPay
JumboTiger
Everything Coliving
Bookmycoliving
Bhutani
Gulshan- Harrington Housing
- Hive Coliv
- Edge Living
- CDA Coliving
- Fllat
- Volley
- TheVibes
- CasaPay
- JumboTiger
- Everything Coliving
- Bookmycoliving
- Bhutani
- Gulshan
CRC
M3M
Godrej
Omaxe
Sikka
Lodha
Mahagun
Prestige
Sawasdee- CRC
- M3M
- Godrej
- Omaxe
- Sikka
- Lodha
- Mahagun
- Prestige
- Sawasdee
Built for these operators
Brokerages
100–10K+ active listings needing MLS ingestion.
Real estate marketplaces
Aggregating across multiple MLSs.
PropTech platforms
Listing-data needs (search, valuation, market analytics).
iBuyers
Ingesting MLS data for offer pricing.
Real estate CRMs
Syncing MLS listings into agent workflows.
Investment platforms
Screening MLS deals against criteria.
Everything you need, in one engagement
RESO Web API integration
Modern OAuth2-based, real-time.
RETS legacy integration
For older MLSs still on RETS.
IDX broker feeds
Broker-attribution-required feeds.
Multi-MLS aggregation
Normalize across MLSs with different schemas.
Photo & media handling
MLS photo download, optimisation, hosting.
Listing-page generation
Server-rendered, schema-marked, indexable.
Search & filter UI
Algolia / Typesense / Meilisearch with MLS-aware fields.
MLS rule compliance
Display, attribution, ToS, broker-stamp requirements.
Webhook & polling sync
Real-time where supported, polling fallback.
Data quality & normalization
Across MLS schema variations.
A predictable, weekly cadence
- Step 01
Discovery (Week 1)
MLS list, feed type, volume, attribution requirements.
- Step 02
MLS access setup (Weeks 1–4)
Varies by MLS; we coordinate vendor accounts.
- Step 03
Schema mapping (Week 2)
Normalize fields across MLSs to your data model.
- Step 04
Build (Weeks 3–8)
Feed sync, photo handling, listing pages, search.
- Step 05
Compliance review (Week 9)
Display, attribution, ToS audit per MLS.
- Step 06
Launch & monitor (Week 10)
Go live, monitor sync, catch errors.
- Step 07
Operate (ongoing)
Feed quality, MLS rule changes, schema evolution.
Opinionated for real estate
Stack
- RESO Web API
- RETS Standards
- OAuth2
- Node.js / Python
- Postgres
- Redis
- S3 / Cloudinary
- Algolia
- Schema.org RealEstateAgent + Apartment + Residence
- Webhooks + polling
Real engagements, real outcomes
Brokerage IDX site
8K listings across 4 MLSs, server-rendered.
- Lighthouse 88
Real estate marketplace
12 MLSs aggregated with normalized schema.
iBuyer pricing engine
RESO Web API + ATTOM data for offer generation.
What clients walk away with
40+
MLSs integrated across portfolio
5–10 days
typical first-listing-indexed window
99.5%+
feed uptime SLA across managed integrations
Audited
MLS-rule compliance check included on every engagement
Pick the tier that fits
Single MLS Integration
4–6 weeks
- One MLS feed
- Schema mapping + sync
- Compliance review
- Most popular
Multi-MLS Integration
8–12 weeks
- 2–6 MLSs aggregated
- Normalized schema
- Search + filter UI
National Aggregation
14+ weeks
- 10+ MLSs with normalization
- Programmatic SEO
- Continuous compliance audit
Side-by-side, with the alternatives
| Capability | Noseberry | Generic dev shop | IDX vendor (Showcase, IDX Broker) | Custom in-house |
|---|---|---|---|---|
| MLSs integrated | 40+ | 0–5 typical | 100+ but limited customization | Hire-dependent |
| Custom schema / data model | Varies | Vendor schema | ||
| Server-rendered pages | Varies | Often client-rendered | ||
| Compliance audit | Varies | Varies | ||
| Code ownership | Varies | Rented | ||
| Time to integrate | 4–14 weeks | 8–16 weeks | Days but locked | 6–16 weeks |
MLSs integrated
- Noseberry
- 40+
- Generic dev shop
- 0–5 typical
- IDX vendor (Showcase, IDX Broker)
- 100+ but limited customization
- Custom in-house
- Hire-dependent
Custom schema / data model
- Noseberry
- Generic dev shop
- Varies
- IDX vendor (Showcase, IDX Broker)
- Vendor schema
- Custom in-house
Server-rendered pages
- Noseberry
- Generic dev shop
- Varies
- IDX vendor (Showcase, IDX Broker)
- Often client-rendered
- Custom in-house
Compliance audit
- Noseberry
- Generic dev shop
- Varies
- IDX vendor (Showcase, IDX Broker)
- Custom in-house
- Varies
Code ownership
- Noseberry
- Generic dev shop
- Varies
- IDX vendor (Showcase, IDX Broker)
- Rented
- Custom in-house
Time to integrate
- Noseberry
- 4–14 weeks
- Generic dev shop
- 8–16 weeks
- IDX vendor (Showcase, IDX Broker)
- Days but locked
- Custom in-house
- 6–16 weeks
Frequently asked questions
Why custom MLS integration vs IDX Broker / Showcase IDX?
IDX vendors are fast but lock you into their schema, page templates, and SEO limits. Custom integration when you need control over data model, page structure, or unique features.
RESO Web API vs RETS?
RESO Web API is the modern standard. OAuth2, REST, real-time. RETS is legacy but still required by some MLSs. We do both.
MLS approval. How long?
1–6 weeks per MLS, varies wildly by region. We coordinate vendor accounts but can't accelerate the MLS itself.
Photo storage costs?
Photos optimised to WebP/AVIF at hosting time; typical 500-listing site costs ~$30/mo on Cloudinary or similar.
MLS rule changes?
Part of operate-phase retainer. We monitor MLS announcements and update display/attribution as required.
International MLS (UK, AU, EU)?
UK uses Rightmove/Zoopla feeds (different model); AU uses REA/Domain. We've integrated those too.
Related reading
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