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quoindata offers two real estate data APIs. Each has its own database and its own API keys: create a key for the product you build on, and it works only there. Both share one account and one prepaid balance.

Property records

Raw cited records for any property: ownership, assessments, tax, sales, permits and building characteristics.

Multifamily

One profile per apartment property: units, rents, unit mix, loans, owners and management.

Quickstart

Make your first call in under five minutes.

API reference

Every endpoint, parameter and response field.

Search records

Filter sales, permits, accounts and more on any source field.

Build with AI agents

llms.txt, the docs MCP server, OpenAPI and agent rules.

How property records work

1

Find an entity

Resolve an address or an official parcel or account number to a permanent id, a q_id, with find.
2

See what is linked

connected returns the parcels, tax accounts, units and addresses linked to it.
3

Read the data

summary gives one best value per field. records returns every cited source record. search filters records across a whole jurisdiction.
Lookups (find, catalog, connected) are free. Data calls (records, summary, history, search) are billable. See Billing. See Coverage for jurisdiction codes and data dates.