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Build property software that connects directly with Quardlyn.

Synchronise properties through the production CRM API, manage listings, upload media, track lifecycle changes and test outbound webhook simulations in sandbox. Available in minutes.

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Latest API Version
v1.0
API Status
Operational
Supported
Property CRM integrations
Changelog
CRM API v1 public baseline

API Explorer Guide

Open Explorer

The API Explorer executes signed sandbox requests against Developer Platform sandbox tables. It is used for quick manual checks before running Postman or a real CRM client.

1Create a sandbox application.
2Select an endpoint.
3Edit the canonical JSON body.
4Execute and inspect API Logs.
{
  "external_ref": "QSB-1001",
  "department": "sale",
  "display_address": "10 Sandbox Street, London",
  "postcode": "SW1A 1AA",
  "price": 425000,
  "features": ["Garden", "Driveway"],
  "media_image_00": "https://cdn.example.com/qsb-1001/front.jpg"
}