API Development & Integrations for Real Estate
Leads from six sources landing in six inboxes, none of them tagged, all of them called late.
API development and integration work connects separate systems so data moves between them automatically. For a real estate developer or brokerage, the work is judged on a site visit booked, not a form filled. One intake pipeline: every source normalised, deduplicated, scored and routed into the CRM within seconds.
What is costing you money today
Leads from six sources landing in six inboxes, none of them tagged, all of them called late.
Buying leads by volume and judging the campaign on cost per lead, while the sales team quietly discards eight in ten of them as junk.
What changes once this is in place
One intake pipeline: every source normalised, deduplicated, scored and routed into the CRM within seconds.
How real estate actually buys
Weeks to months, with a sales team calling within minutes of the enquiry and the actual decision made by a couple or a family, not one person.
- The unit of value
- a site visit booked, not a form filled
- The common mistake
- Buying leads by volume and judging the campaign on cost per lead, while the sales team quietly discards eight in ten of them as junk.
- What we do instead
- Push the site-visit outcome back into the ad platform as the conversion event, so the algorithm optimises for the person who actually turns up.
What it has to talk to
A build for a real estate developer or brokerage is mostly integration work. These are the systems we expect to exchange data with:
- CRM (Sell.Do, Zoho, Salesforce)
- IVR & call tracking
- WhatsApp Business API
- Channel-partner portals
The words your buyers actually use
Generic service copy loses to copy written in the vocabulary of the vertical. These are the terms that carry intent here, and the ones the pages we build are structured around:
- project microsite
- site visit booking
- cost sheet download
- RERA number
- possession date
- floor plan enquiry
The rules this sits under
RERA registration numbers must appear on advertising in India; in Dubai, RERA/DLD permit numbers are required on listings. Claims about returns are constrained everywhere.
What you get
- Integration map — Every system, what it owns, what it needs, and where the truth lives for each entity. Most integration projects should start by deciding which system owns the customer record.
- API design — Resources, versioning, authentication, pagination, rate limits and error shapes, agreed before implementation.
- Implementation — REST or GraphQL endpoints in TypeScript, with validation at the boundary and types generated from the schema.
- Third-party integrations — CRM, ERP, Tally, payment gateways, WhatsApp Business API, courier and ad platform APIs — with credentials handled properly.
- Webhook handling — Signature verification, idempotency keys, a queue, retries with backoff and a dead-letter store you can replay from.
- Sync and reconciliation — Scheduled reconciliation that compares both systems and reports differences, because event-driven sync alone always drifts eventually.
- Monitoring and alerting — Failure alerts to the channel your team actually reads, with enough context to act rather than just to worry.
- Documentation — API reference, an integration runbook, and a page describing what to do when each integration fails — written for whoever is on duty, not for us.