Developer API

Build on top of
BuilderMaxPro.

Integrate construction pricing, lien compliance, and project management into your own tools. API access available on Enterprise plans.

Request API Access View Plans

What you can build

Regional Price Data

Houston-specific material and labor pricing with price range visibility (min / typical / high) and source transparency.

RESTful JSON APIs

Clean, predictable JSON responses. Standard HTTP methods. Consistent error handling.

Session Authentication

Session-based auth with company-scoped data isolation. Every request is authenticated and authorized.

Webhooks

Get notified when quotes are approved, deadlines approach, or payments are recorded.

Real-Time Calculations

Lien deadline engine calculates every TX Property Code deadline from project data in milliseconds.

Document Generation

Generate preliminary notices, lien affidavits, and all four statutory waiver types via API.

API Reference

A preview of available endpoints. Full documentation provided with API access.

GET/api/projectsList all projects for your company

POST/api/projectsCreate a new project with lien compliance auto-setup

GET/api/clientsList all clients

GET/api/estimatesList estimates with line items and pricing

GET/api/estimates/exportExport estimate as JSON, HTML (PDF), or material list CSV

GET/api/prices/publicSearch public material and labor price data

GET/api/lien/deadlinesCalculate all TX lien deadlines for a project

POST/api/lien/documentsGenerate lien notices, affidavits, and waivers

GET/api/portal/calendar/eventsProject calendar events and milestonesPublic

POST/api/uploadsUpload project photos and documents

🔒 = Requires authentication · Additional endpoints available with Enterprise plan

Quick Start

example.js

// Search Houston construction pricing
const response = await fetch(
  'https://buildermaxpro.com/api/prices/public?q=drywall&region=houston'
);
const data = await response.json();

console.log(data.summary);
// {
//   count: 25,
//   price_min: 2.16,
//   price_median: 36.96,
//   price_max: 1915.50,
//   source_count: 2,
//   confidence_level: "medium",
//   region: "Houston"
// }

// Read lien deadlines inside an authenticated app session
const deadlines = await fetch(
  '/api/lien/deadlines?projectId=proj_123', {
    credentials: 'include'
  }
);
const deadlineData = await deadlines.json();
console.log(deadlineData.summary);
// Returns TX Property Code Ch. 53 deadlines
// with countdown, status, and priority

Ready to integrate?

API access is available on the Enterprise plan. Contact us to discuss your integration needs.

Request Access View Enterprise Plan

Build on top ofBuilderMaxPro.