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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

Versioning

v1.0

Current Version

v1.0 is the public CRM API baseline.

Compatibility

Canonical schema changes should be additive where possible. Clients should ignore unknown fields.

Deprecation

Deprecated fields remain documented until a migration path exists.

Breaking Changes

Breaking changes require a new versioned contract and migration notes.

Release History

v1.0Public CRM API baseline, HMAC authentication, property lifecycle operations, canonical property schema, OpenAPI, Postman and SDK files.
Additive maintenanceNew fields and diagnostics are added without breaking the v1 request contract.