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Overview

Welcome to The Avenues LLC’s Payroll Service API documentation. This API serves as the unified backend for three major payroll service websites: Our API implements modern architecture patterns to handle multi-tenant requests efficiently. Each request is automatically scoped to its originating site, ensuring data isolation and security.

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Key Features

Multi-Site Support

Built-in support for multiple domains with automatic request routing and filtering

Document Generation

Automated generation of various document types including paystubs, W2s, and 1099s

Flexible Payments

Integration with multiple payment processors including Stripe, NMI, and Coinbase

Role-Based Access

Comprehensive role and permission system for secure access control

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Getting Started

Our API is designed to be simple to use with automatic site detection based on the requesting domain. Here’s how to get started:
1

Choose Your Domain

Ensure your requests come from your authorized domain (paystubsnow.com, checkstubmaker.com, or thebestpaystubs.com)
2

Development Setup

Use our staging environments for development and testing before moving to production
3

Make Your First Request

No API key needed - just make your HTTP request from your authorized domain and we’ll handle the rest

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API Architecture

Our API follows REST principles for consistent request and response handling. Key architectural features include:
  • Multi-tenancy: Automatic request scoping based on the originating domain
  • Authentication: Bearer token authentication
  • Rate Limiting: Built-in rate limiting to ensure fair usage
  • Query Builder: Powered by Spatie’s Query Builder package for flexible data querying

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API Versioning

There is currently no versioning in the API. If versioning is implemented in the future, it will start from v2. 
https://psn-api.avenues.dev/{endpoint}
https://csm-api.avenues.dev/{endpoint}
https://tbp-api.avenues.dev/{endpoint}

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Next Steps

Authentication

Learn how to authenticate your API requests

Guides

Set up webhooks for real-time updates

API Reference

Explore our comprehensive API endpoints

Error Handling

Learn about error codes and troubleshooting