Developer Resources

API Documentation

Integrate property title data directly into your applications with our RESTful API. Access 150M+ properties and 7B+ documents programmatically.

View Endpoints Get API Key
Base URL https://api.propertytitles.com
Version v1
Format JSON

Getting Started

Authentication

1

Get Your API Key

Sign up for a developer account and generate your API key from the Developer Portal dashboard.

2

Include in Request Headers

Pass your API key in the Authorization header as a Bearer token with every request.

3

Handle Rate Limits

Respect rate limit headers (X-RateLimit-Remaining) and implement exponential backoff for 429 responses.

Example Request

curl -X GET "https://api.propertytitles.com/v1/properties/search?query=123+Main+St&state=CA" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json"

Reference

API Endpoints

GET /v1/properties/search

Search properties by address, owner name, APN, or coordinates. Returns matching property records with basic title information.

Parameters

  • query (string) — Address, owner name, or APN
  • state (string) — Two-letter state code
  • county (string, optional) — County name
  • limit (int, optional) — Results per page (default: 25, max: 100)
  • offset (int, optional) — Pagination offset
GET /v1/properties/{id}

Retrieve detailed property information including current owner, legal description, assessed value, and tax status.

Parameters

  • id (string) — Property ID from search results
  • include (string, optional) — Comma-separated: title,liens,deeds,tax
GET /v1/properties/{id}/title

Full title search report for a property. Returns chain of title, current liens, encumbrances, and title status.

Parameters

  • id (string) — Property ID
  • depth (int, optional) — Years of title history (default: 30)
  • include_documents (bool, optional) — Include document image URLs
GET /v1/properties/{id}/liens

Active and released liens on a property including mortgages, tax liens, judgment liens, and UCC filings.

Parameters

  • id (string) — Property ID
  • status (string, optional) — Filter: active, released, all (default: all)
  • type (string, optional) — Filter by lien type
GET /v1/properties/{id}/deeds

Recorded deed documents for a property. Returns deed type, grantor/grantee, recording date, and document images.

Parameters

  • id (string) — Property ID
  • from_date (date, optional) — Start date filter (YYYY-MM-DD)
  • to_date (date, optional) — End date filter (YYYY-MM-DD)
GET /v1/documents/{document_id}

Retrieve a specific recorded document image. Returns document metadata and a signed URL for the document image.

Parameters

  • document_id (string) — Document ID from title or deed endpoints
  • format (string, optional) — pdf or png (default: pdf)
POST /v1/batch/search

Submit a batch of up to 1,000 property searches. Returns a job ID for polling results.

Parameters

  • properties (array) — List of search objects with address or APN
  • callback_url (string, optional) — Webhook URL for completion notification
  • priority (string, optional) — standard or expedited
GET /v1/batch/{job_id}

Check the status of a batch search job and retrieve completed results.

Parameters

  • job_id (string) — Job ID from batch/search response

Integrate Faster

Official SDKs

Python SDK

v2.4.1
pip install propertytitles

Node.js SDK

v2.3.0
npm install @propertytitles/sdk

Ruby Gem

v1.8.2
gem install propertytitles

PHP Package

v2.1.0
composer require propertytitles/sdk

Limits & Responses

Rate Limits & Error Codes

Rate Limits by Plan

Starter 100 requests/min
Professional 500 requests/min
Enterprise Custom / Unlimited

HTTP Status Codes

200 Success
400 Bad Request — Invalid parameters
401 Unauthorized — Invalid API key
429 Rate limit exceeded
500 Internal server error

Ready to Start Building?

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