Developer Platform

Enterprise-grade Open API for US property operations.

Connect Proprietio with accounting systems, CRMs, automation tools and internal workflows through a secure v1 API built around scoped access, signed webhooks, rate limits, idempotent writes and full auditability.

Try the platform OpenAPI schema

api.proprietio.com

curl "https://api.proprietio.com/api/v1/properties" \
  -H "X-Api-Key: pk_live_..."

{
  "data": [
    {
      "property_id": "prop_...",
      "name": "Oak Ridge",
      "unit_count": 42,
      "current_value": 9200000
    }
  ],
  "pagination": { "hasMore": false }
}

API keys + scopes

Create server-side credentials for the exact surfaces an integration needs.

REST hooks

Subscribe external systems to real events with signed, retrying webhook delivery.

Operational logs

Review recent API traffic and investigate failed calls from the admin console.

Packaged like a serious API product

Start with internal reporting, upgrade into automation, and reserve high-volume partner access for reviewed enterprise integrations.

Growth and higher

Core API

Included

Read portfolio, residents, leases, rent roll, invoices and payments for internal reporting and BI.

60 req/min default
Read scopes
Audit logs

Pro / Scale

Automation API

Premium plan

Write maintenance, resident messaging and webhook subscriptions for operational automation.

Write scopes
Signed webhooks
Idempotency-Key support

Enterprise agreement

Partner API

From $999/mo

For vendors and high-volume integrations that need review, sandbox data, higher limits and support SLAs.

Sandbox org
Custom limits
$999/mo add-on

The surfaces teams actually need

The first v1 contract covers portfolio data, resident context, rent roll, accounting snapshots, work orders, messaging and event subscriptions.

GET /api/v1/propertiesGET /api/v1/residentsGET /api/v1/rent-rollGET /api/v1/invoicesPOST /api/v1/work-ordersPOST /api/v1/webhooks

Webhook events

Push high-value events into Zapier, Make, n8n, Slack, internal tools or a partner backend without polling.

lead.created

ticket.created

payment.received

lease.signed

invoice.paid

Security controls built into the platform

The API is designed for production integrations, not one-off export scripts.

Scoped keys

Grant only properties, accounting, maintenance, communications or webhook permissions.

Tenant isolation

Every read and write is server-scoped to one organization before data leaves the API.

Rate limits

Per-key request budgets protect production systems and expose standard limit headers.

Idempotent writes

Retry POST/PATCH requests safely with Idempotency-Key for work orders, messages and webhooks.

Audit logs

Each authenticated call records key, endpoint, status, required scope, IP and timestamp.

Signed webhooks

Webhook payloads are HMAC-signed and production targets must use HTTPS.

Copy-once secrets

API keys and webhook secrets are returned once, then stored only as hashes or masked values.

Built for integrations from day one

Start with private automations. Grow into partner integrations when the business needs it.

HTTPS, scopes, rate limits, audit logsv1 versioned contract