API Documentation

Overview

The DeedOverflow API lets you search entities, retrieve ownership histories, and export portfolio data programmatically. API access is included with Professional plans (1,000 requests/day) and expanded on Enterprise plans.

Authentication

API requests are authenticated with a bearer token generated from your account settings. Tokens are scoped to your plan limits and can be rotated at any time.

Authorization: Bearer YOUR_API_TOKEN

Endpoints

The API provides access to:

• Entity search — query by name, address, or parcel ID
• Entity detail — resolved profile, aliases, and metadata
• Deed history — chronological transactions for an entity
• Portfolio — properties associated with an entity
• Network — related entities and connection types

Rate limits

Professional plans include 1,000 API requests per day. Enterprise customers receive custom limits and dedicated support. Rate limit headers are included in every response.

Getting access

Full API documentation with request/response schemas and code examples is available to active Professional and Enterprise subscribers. Sign up for a Professional plan or contact us for enterprise access.