ReBillion API — Developer Docs
The AI-native transaction coordinator exposes its execution layer over API. Brokerages with internal IT can wire ReBillion into their stack as the AI control plane for real estate operations.
ReBillion's API exposes contract extraction, deal management, task management, and inbox intelligence events. Most large brokerages with internal IT use the API to bridge ReBillion to their existing operational stack.
Authentication
OAuth 2.0 client credentials. API keys scoped per firm. Rotate keys via the partner dashboard.
Endpoints (summary)
POST /v1/contracts/extract. Upload a contract; receive extracted fields as JSON. GET /v1/deals. List active deals. GET /v1/deals/{id}. Full deal record. POST /v1/tasks. Create a task. PATCH /v1/tasks/{id}. Update or complete. POST /v1/inbox/draft. Submit an inbox thread; receive a TC-approved reply draft.
Webhooks
Subscribe to events: contract.extracted, deal.updated, task.completed, inbox.draft_ready, email.sent, email.bounced. Webhooks signed; verify signatures with the shared secret.
Rate limits
Default: 60 req/min, 1,000 req/hour, 20,000 req/day per firm. Higher on Enterprise.
SDKs
Python, Node.js, Go. Open source on GitHub.
Sandbox
Sandbox environment with seed data. Reach out via /contact for sandbox credentials.
Status page
status.rebillion.ai for uptime and incidents.
Full reference
Detailed docs delivered on request; OpenAPI 3.1 spec available.
Frequently asked
Is the API free?
Included on all plans above the entry tier.
Do you support webhooks?
Yes. Signed webhooks for all major events.
Where's the OpenAPI spec?
Available on request via /contact.
What's the rate limit?
60 req/min default; higher on Enterprise.
Can I trigger an inbox draft via API?
AI Inbox Intelligence triggers and inbox draft events are exposed; we do not currently expose voice triggers.
Is there a sandbox?
Yes. Reach out via /contact for credentials.
See the AI control plane on your real files.
30-minute live demo with the founders. No sandbox; we run on your contracts.