Introduction

Welcome to the AltSportsLeagues API — your gateway to intelligent sports league data, discovery, and partnership management.

What is AltSportsLeagues?

AltSportsLeagues provides comprehensive league intelligence and data connectivity for the sports betting industry. Our API offers:

• League Discovery: AI-powered research to find alternative sports leagues across 100+ sports
• Valuation & Scoring: Multi-dimensional quality assessment and tier classification
• Qualification System: Automated data mapping and quality verification
• Partnership Management: Track onboarding stages and integration progress
• Data Intelligence: Fingerprinting, similarity search, and quality metrics

Base URL

All API endpoints are accessed via:

https://api.altsportsleagues.ai/v1

API Versioning

The current API version is v1. All endpoints are prefixed with /v1/.

Standard Response Format

All API responses follow a consistent structure:

{
  "data": {...} or [...],
  "meta": {
    "total": 100,
    "page": 1,
    "limit": 100,
    "has_more": false,
    "api_version": "v1",
    "timestamp": "2026-03-07T00:00:00Z"
  }
}

• data: The primary response payload (object or array)
• meta: Metadata about the response including pagination info

Core Workflows

For Sportsbooks

1. Discover leagues via search or browse endpoints
2. Evaluate league quality with valuation scoring
3. Qualify leagues via data mapping assessment
4. Integrate through standardized APIs

For Leagues

1. Submit league information via questionnaire
2. Upload supporting documents and API details
3. Map your data to our standardized schema
4. Track onboarding progress and certification status

Getting Started

1. Obtain an API key
2. Make your first request
3. Explore the API reference

Support

For questions or issues:

• Email: support@altsportsleagues.ai
• GitHub: github.com/altsportsleagues/developer-docs
• Status: status.altsportsleagues.ai