Quardlyn Developers
DocumentationAPI ReferenceSDKsSupportLoginDeveloper Account

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.

Get StartedAPI DocsDownload PostmanSDKsDeveloper Account
Latest API Version
v1.0
API Status
Operational
Supported
Property CRM integrations
Changelog
CRM API v1 public baseline

FAQ

How do I authenticate?

Use the HMAC headers described in Authentication.

How do retries work?

Retryable operations are queued and replayed according to provider/runtime policy.

How do I test webhooks?

Use Developer Console webhook simulation logs. Production outbound Quardlyn-to-CRM HTTP webhooks are not currently available.

How do I rotate keys?

Agents rotate keys from CRM > API Keys.