Developer Platform

Tax Intelligence
As a Service

Embed AI-powered tax filing, refund estimates, and compliance into any application with our developer-first API.

99.99% Uptime

50ms Response Time

SOC 2 Compliance In Progress

Developer-First API

Built for speed, reliability, and ease of integration

RESTful API

Clean, predictable REST endpoints with comprehensive documentation

Webhooks

Real-time notifications for filing status, refund updates, and more

OAuth 2.0

Secure authentication flow for accessing user tax data

Rate Limiting

Generous rate limits with automatic scaling for enterprise

JSON Responses

Consistent, well-structured JSON for all API responses

Sandbox Environment

Full-featured test environment with sample data

Core Endpoints

Everything you need to build tax features

POST/api/v1/returnsCreate a new tax return

GET/api/v1/returns/:idRetrieve return details

POST/api/v1/returns/:id/fileSubmit return to IRS

GET/api/v1/refund-estimateCalculate refund estimate

POST/api/v1/documents/uploadUpload tax documents

GET/api/v1/deductionsGet available deductions

Common Use Cases

See what you can build with Taxu API

Embedded Refund Estimator

Add a refund calculator widget to your app or website

const estimate = await taxu.estimateRefund({
  income: 75000,
  filingStatus: 'single',
  deductions: ['standard']
});

Automated Filing

Integrate tax filing into your payroll or accounting software

const filing = await taxu.createReturn({
  userId: 'user_123',
  forms: [w2Data, form1099Data],
  autoFile: true
});

Tax Data Sync

Keep tax information synchronized across platforms

taxu.webhooks.on('return.filed', (data) => {
  console.log('Return filed:', data.returnId);
  syncToDatabase(data);
});

Embeddable Components

Drop-in UI components for instant integration

Refund Calculator Widget

Drop-in refund estimator for your website

<script src="https://cdn.taxu.ai/widget.js"></script>
<div data-taxu-widget="refund-calculator"></div>

Interactive calculator with real-time estimates

Tax Chat Assistant

AI-powered tax help for your users

import { TaxuChat } from '@taxu/react';

<TaxuChat apiKey={process.env.TAXU_API_KEY} />

Full-featured chat interface with AI agents

Document Uploader

Secure document upload with OCR parsing

<TaxuUploader
  onUpload={(doc) => console.log(doc)}
  acceptedTypes={['W2', '1099', 'receipts']}
/>

Drag-and-drop with automatic form detection

Webhook Events

Real-time notifications for critical tax events

return.created

New tax return initiated

return.filed

Return successfully submitted to IRS

refund.issued

Refund processed and sent

document.parsed

Document OCR completed

subscription.updated

User subscription changed

audit.flagged

Potential audit risk detected

Example Webhook Payload

{
  "event": "return.filed",
  "timestamp": "2025-04-15T10:30:00Z",
  "data": {
    "returnId": "ret_abc123",
    "userId": "user_xyz789",
    "taxYear": 2024,
    "status": "accepted",
    "refundAmount": 3250.00
  }
}

Trusted by Industry Leaders

See how companies use Taxu API in production

Uber

Driver Tax Summaries

API + Webhooks

Automatic year-end tax summaries for 5M+ drivers

Gusto

Embedded Filing

OAuth + REST API

One-click filing for contractors and employees

Mercury

Startup Tax Automation

REST API + SDK

Auto-fill Delaware franchise tax for startups

QuickBooks

Tax Data Sync

Webhooks + GraphQL

Real-time sync of deductions and expenses

API Pricing

Flexible plans that scale with your business

Developer

Free

10,000/month

Sandbox access
Basic support
Community forum

Startup

$299/mo

100,000/month

Production access
Email support
Webhook events
99.9% SLA

Business

$999/mo

1M/month

Priority support
Custom rate limits
Dedicated account manager
99.99% SLA

Enterprise

Custom

Unlimited

White-label options
On-premise deployment
24/7 phone support
Custom SLA

Official SDKs

Get started faster with our official client libraries

Node.js ✓Python (In Dev)

Ruby (Planned)

PHP (Planned)

Go (Planned)

Developer Support

We're here to help you build

Documentation

Comprehensive guides and API reference

GitHub

SDKs, examples, and community support

Sandbox

Test environment with sample data

{ "event": "return.filed", "timestamp": "2025-04-15T10:30:00Z", "data": { "returnId": "ret_abc123", "userId": "user_xyz789", "taxYear": 2024, "status": "accepted", "refundAmount": 3250.00 } }

Tax IntelligenceAs a Service

Developer-First API

RESTful API

Webhooks

OAuth 2.0

Rate Limiting

JSON Responses

Sandbox Environment

Core Endpoints

Common Use Cases

Embedded Refund Estimator

Automated Filing

Tax Data Sync

Embeddable Components

Refund Calculator Widget

Tax Chat Assistant

Document Uploader

Webhook Events

Example Webhook Payload

Trusted by Industry Leaders

Uber

Gusto

Mercury

QuickBooks

API Pricing

Developer

Startup

Business

Enterprise

Official SDKs

Developer Support

Documentation

GitHub

Sandbox

Tax IntelligenceAs a Service

Developer-First API

RESTful API

Webhooks

OAuth 2.0

Rate Limiting

JSON Responses

Sandbox Environment

Core Endpoints

Common Use Cases

Embedded Refund Estimator

Automated Filing

Tax Data Sync

Embeddable Components

Refund Calculator Widget

Tax Chat Assistant

Document Uploader

Webhook Events

Example Webhook Payload

Trusted by Industry Leaders

Uber

Gusto

Mercury

QuickBooks

API Pricing

Developer

Startup

Business

Enterprise

Official SDKs

Developer Support

Documentation

GitHub

Sandbox

Tax Intelligence
As a Service

Tax Intelligence
As a Service