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Welcome to Tango API Documentation

The Tango API provides comprehensive access to federal procurement and assistance data, including contracts, grants, entities, and opportunities. This documentation will help you integrate with our API quickly and effectively.

What is Tango?

Tango is an integrated platform that consolidates federal procurement and assistance data from multiple sources (FPDS, USAspending, SAM) into a unified system. Our API provides:

  • Contract Data: Federal contract awards, modifications, and transactions
  • Grant Data: Financial assistance awards and transactions
  • Entity Information: Vendor and recipient details with business classifications
  • Opportunity Data: Contract forecasts and solicitation notices
  • Agency Data: Government department, agency, and office information
  • Procurement Forecasts: Upcoming procurement opportunities at DHS, HHS, GSA, and Commerce (and more coming)
  • And much more to come...

Quick Navigation

🚀 Getting Started

Key Features

🔐 Flexible Authentication

  • API Keys: Simple server-to-server integration
  • OAuth2: For web applications and user tokens

📊 Rich Data Model

  • Comprehensive Coverage: Contracts, grants, entities, opportunities
  • Historical Data: Years of federal spending data
  • Real-time Updates: Daily data refreshes

⚡ High Performance

  • Smart Filtering: Efficient query optimization
  • Pagination: Handle large result sets
  • Caching: Fast response times
  • Rate Limiting: Fair usage policies
  • Full-text Search: Search across titles and descriptions
  • Complex Filtering: OR/AND patterns for precise queries
  • Geographic Search: Location-based filtering
  • Date Ranges: Flexible temporal queries

Data Sources

Tango integrates data from authoritative federal sources:

  • FPDS (Federal Procurement Data System) - Contract awards and modifications
  • USAspending - Financial assistance and sub-award data
  • SAM.gov - Entity registrations and contract opportunities
  • Agency Systems - Direct agency data feeds