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Services · Systems integration

Real Estate Systems Integration - MLS, IDX, CRM, PMS, Payments & IoT

MLS, IDX, RETS, RESO, payment gateways, smart locks, IoT, accounting, CRM, PMS, and marketing automation wired into one clean operational layer. Stop paying for six systems that do not talk to each other. Stop having your team copy data between dashboards by hand. Every integration is built with event-driven architecture, audit logging, and a 99.95% uptime SLA.

100+ operators · 14 countries · A decade wiring real estate stacks

Book a strategy callSee our work

  • MLS / RETS / RESO specialists

  • 99.95% uptime SLA

  • 30+ MLS feeds integrated

Connectors shipped in production

  • Salesforce
  • HubSpot
  • Zoho
  • Yardi
  • AppFolio
  • Buildium
  • Stripe
  • Razorpay
  • QuickBooks
  • Xero
  • Twilio
  • DocuSign
  • Dropbox Sign
  • MLS / RETS
  • Igloohome
  • Salto
  • Latch
In short

What does a real estate systems integration agency do?

We integrate the systems that run a real estate business - MLS, IDX, RETS, RESO, payment gateways, accounting, CRM, PMS, smart locks, IoT, and marketing automation - into one clean operational layer with a single source of truth. 99.95% uptime SLA across 100+ engagements.

Trusted by 50+ operators, PropTech companies & digital-first brands

  • Harrington HousingHarrington Housing
  • Hive ColivHive Coliv
  • Edge LivingEdge Living
  • CDA ColivingCDA Coliving
  • FllatFllat
  • VolleyVolley
  • TheVibesTheVibes
  • CasaPayCasaPay
  • JumboTigerJumboTiger
  • Everything ColivingEverything Coliving
  • BookmycolivingBookmycoliving
  • BhutaniBhutani
  • GulshanGulshan
  • Harrington HousingHarrington Housing
  • Hive ColivHive Coliv
  • Edge LivingEdge Living
  • CDA ColivingCDA Coliving
  • FllatFllat
  • VolleyVolley
  • TheVibesTheVibes
  • CasaPayCasaPay
  • JumboTigerJumboTiger
  • Everything ColivingEverything Coliving
  • BookmycolivingBookmycoliving
  • BhutaniBhutani
  • GulshanGulshan
  • CRCCRC
  • M3MM3M
  • GodrejGodrej
  • OmaxeOmaxe
  • SikkaSikka
  • LodhaLodha
  • MahagunMahagun
  • PrestigePrestige
  • SawasdeeSawasdee
  • CRCCRC
  • M3MM3M
  • GodrejGodrej
  • OmaxeOmaxe
  • SikkaSikka
  • LodhaLodha
  • MahagunMahagun
  • PrestigePrestige
  • SawasdeeSawasdee
Integration services

Four integration services under one roof

Pick the integration closest to your operation. Click into the one that fits for a deeper scope, connector list, and an engagement outline.

What we offer

Eight integration capabilities built for real estate

Every integration is designed around real estate data flows, not generic middleware patterns. Custom where complexity demands it, iPaaS where speed and simplicity make sense.

  • MLS, IDX, RETS, and RESO Web API

    RESO Web API (modern), RETS legacy, IDX broker feeds, Bridge, Spark, MLS Grid, Trestle, ATTOM Data, CoreLogic, and HouseCanary. Over 30 MLS feeds integrated across the US and Canada including CRMLS, NWMLS, Bright MLS, Stellar MLS, Heartland MLS, REBNY (NY), MRED (Chicago), and CREA (Canada).

  • Payment gateway integration

    Stripe, Razorpay, PayU, Cashfree, PayPal, Plaid, ACH, UPI, and GCC payment rails. Subscription billing, deposits, partial payments, and reconciliation built into your operational workflow. Multi-currency where required.

  • Smart home and IoT integration

    Smart locks (August, Yale, Igloohome, Latch, Nuki), thermostats (Nest, Ecobee), access systems (Brivo, OpenPath, Kisi), and IoT sensors. MQTT, Zigbee, Z-Wave, REST, and Matter protocols supported.

  • Accounting and ERP integration

    QuickBooks, Xero, Tally, NetSuite, SAP, Zoho Books, and Wave. Real-time sync of invoices, receipts, and reconciliation. Multi-currency where needed. Connected to your PMS and CRM for end-to-end financial visibility.

  • CRM, PMS, and marketing sync

    Bidirectional sync across Salesforce/HubSpot/Zoho and Yardi/AppFolio/RealPage/Buildium and Mailchimp/Klaviyo/Customer.io. Field mapping, conflict resolution, and audit logs ensure data consistency across every system.

  • API development

    REST and GraphQL APIs designed for your partners and integrators. OpenAPI specs, sandbox environments, rate limiting, OAuth2/JWT authentication, and versioning strategy. Detailed on the API development sub-service page.

  • Data migration

    ETL pipelines, deduplication, schema mapping, validation, parallel-run, and rollback. From any source including legacy databases, spreadsheets, and third-party tools. To any destination.

  • iPaaS implementation

    The right integration platform for your scale and team. Workato for enterprise complexity, Make or Zapier for quick wins, Boomi or Mulesoft when compliance demands it. Most stacks are 70% iPaaS, 30% custom.

Who this is for

An integration solution for every stage of your real estate operation

  1. 01

    Stack is disconnected

    Six systems running independently. Data is copied between dashboards by hand. Integration connects everything into one operational layer so staff stop being the middleware.

  2. 02

    Adding a new system

    A new CRM, PMS, payment gateway, or smart-lock system needs to plug into the existing stack without breaking what already works.

  3. 03

    Migrating data between systems

    Moving from one PMS to another, one CRM to another, or from spreadsheets to structured platforms. Data migration with field mapping, deduplication, and parallel-run validation.

  4. 04

    Scaling to new markets

    Expanding into regions with different MLS feeds, payment gateways, currencies, or compliance requirements. Integrations are extended or rebuilt for multi-market operations.

  5. 05

    Building an API product

    The platform needs to expose data to channel partners, aggregators, or third-party developers through documented, authenticated APIs.

  6. 06

    Replacing manual processes at scale

    Manual data entry, CSV exports, and email-based workflows are consuming hours that could be deployed on higher-value work. Automation replaces the repetitive transfer of data between systems.

Not sure which stage fits your operation? Book a strategy call and the team will map your stack and identify where to start.

Who we integrate for

Built for real estate operators. Exclusively

What you get

Everything included in your integration engagement

  • Systems map and data-flow audit documenting every integration point, data direction, and transformation rule.

  • Build-versus-iPaaS recommendation per integration, with cost and maintenance implications explained.

  • Custom integrations with event-driven architecture, retry logic, error handling, and full audit logs.

  • iPaaS implementation on Workato, Make, Zapier, Boomi, or Mulesoft where speed and simplicity fit.

  • MLS/IDX/RETS feeds with normalisation, deduplication, and search-ready indexes.

  • Payment gateway wiring with multi-currency, reconciliation, and accounting sync.

  • Smart lock and IoT connections with access code management and event logging.

  • Monitoring and alerting with 99.95% uptime SLA, partner-API change management, and quarterly architecture reviews.

How we work

Six phases. Four to twelve weeks

  1. Phase 01

    Discovery (weeks 1 to 2)

    Systems map, data-flow audit, integration backlog, and a build-versus-iPaaS decision per integration. Every connection is evaluated for the right approach before any code is written.

  2. Phase 02

    Architecture (weeks 3 to 4)

    Integration patterns (event-driven, batch, API-direct), error handling, retry logic, observability, and security model designed and reviewed before implementation.

  3. Phase 03

    Build (weeks 5 to 10)

    Sprints per integration, sandbox-first, with replayable event streams and full audit logs. Each integration is built, tested, and validated independently before connecting to the broader stack.

  4. Phase 04

    Validate (weeks 11 to 12)

    Reconciliation reports, edge-case testing, load testing, and a parallel-run period before flipping production. Both old and new data flows run simultaneously for verification.

  5. Phase 05

    Cutover (week 13)

    Production cutover with monitoring, rollback plan, and on-call coverage. Nothing goes live without sign-off from both teams.

  6. Phase 06

    Operate (ongoing)

    24/7 monitoring, alert tuning, partner-API change management, and quarterly architecture reviews. The integration layer stays healthy as vendor APIs evolve.

Outcomes

What operators saw after integration

  1. 01

    6+ hrs

    Per week saved per property manager (unified PMS, payments, and locks).

  2. 02

    35%

    Faster deal close after MLS, CRM, and e-sign integration (brokerages).

  3. 03

    99.95%

    Integration uptime SLA across operated stacks.

  4. 04

    4 to 1

    Vendor consolidation typical for operators replacing fragmented tools.

Engagement model

Every brief is scoped to the operator's goals

Fixed pricing is not published because every engagement is shaped to the operator's stage, scope, and target outcomes. Book a strategy call and the team shares a tailored scope, timeline, and investment range within five business days.

Book a strategy callSee our work
Architecture

The integration stack

  • iPaaS

    • Workato
    • Boomi
    • Mulesoft
    • Tray.io
    • Make
    • Zapier

  • Custom integration

    • Node.js
    • Python
    • Go

  • Event streaming

    • Kafka
    • RabbitMQ
    • AWS EventBridge
    • Redis Streams

  • API gateways

    • Kong
    • AWS API Gateway
    • Apigee

  • ETL

    • Airbyte
    • Fivetran
    • dbt
    • Custom Python

  • Monitoring

    • Datadog
    • Sentry
    • Grafana
    • OpenTelemetry

  • Smart-home protocols

    • MQTT
    • Zigbee
    • Z-Wave
    • Matter
    • REST / Webhook
Try before you talk

How connected is your real estate tech stack?

Most property companies run five to ten tools that do not talk to each other. Data gets stuck in silos, teams duplicate work and nobody has a single view of the business. Find out how ready your stack is for integration.

No login · Free tool · Results in five minutes

Often shipped together

Services most operators pair with systems integration

Integration rarely ships in isolation. Most operators combine an integration engagement with one or more of these services.

FAQ

Frequently asked questions

Should we use an iPaaS like Workato or build custom?

iPaaS when integrations are simple, mostly transactional, and your team will maintain them. Custom when you need event-driven architecture, complex transformations, or partner-facing APIs. The team picks per integration. Most stacks are 70% iPaaS, 30% custom.

What about MLS rules. Is RESO Web API enough?

RESO Web API is the modern standard and covers most boards. Some MLSs still require RETS legacy feeds. The team has integrated 30+ MLS feeds across the US and Canada and handles the board-specific rules, data use agreements, and compliance requirements.

Can you integrate smart locks across our portfolio?

Yes. Igloohome, Salto, Latch, August, Yale, and Nuki are all supported. Access codes, guest access, vendor access, and event logging are wired into your PMS and tenant app.

What happens when a partner API changes?

The operate phase includes partner-API change management. Breaking changes are detected through monitoring, evaluated for impact, and resolved before they affect production data flows. Quarterly architecture reviews catch deprecation notices early.

How do you handle data conflicts between systems?

Conflict resolution rules are defined during the architecture phase. Field-level priority, timestamp-based resolution, and manual review queues are configured based on which system is the source of truth for each data type.

Can you integrate something not listed here?

Yes. If a system has an API, a webhook, or even a structured data export, it can be integrated. Custom connectors are built for systems without standard integration interfaces.

Ready when you are

Ready to make your stack talk to itself?

Share your systems map, your pain points, and the integrations that matter most. The team comes back with a scoped proposal within five business days covering architecture, timeline, and investment.

See case studies

No slides. No sales pitch. Just a focused strategy call.