Tango provides a single API that aggregates and normalizes data from major U.S. federal procurement sources—including SAM.gov, USAspending, FPDS, DSBS, GSA eLibrary, Grants.gov, GAO protests, and agency forecasts—into a consistent, searchable surface for developers. The service refreshes data on intervals matching each source and offers webhooks, full‑text search, and SDKs so users can query contracts, opportunities, grants, and entity information with just a few lines of code.
Funding
Funding not disclosed
Founders
Product
Problem
Federal procurement data is spread across many disparate systems such as SAM.gov, USAspending, FPDS, DSBS, GSA eLibrary, Grants.gov, and GAO bid protests. Each source has its own schema, identifiers, and update cadence, making it time‑consuming and error‑prone for developers to aggregate, normalize, and keep the data current.
Solution
Tango provides a single REST API that unifies these federal data sources behind one API key, delivering consistently modeled contracts, opportunities, subawards, grants, entities, protests, and agency forecasts. The platform refreshes opportunities every 20–60 minutes, contracts and IDVs twice daily, and subawards daily, ensuring near‑real‑time accuracy. Developers can shape responses to include only the fields they need, use full‑text search, and rely on predictable pagination. First‑class SDKs for Python, Node, Go, and Rust simplify integration, while webhook support pushes updates instantly to downstream systems. An OpenAPI spec and MCP server enable AI agents and LLMs to query the data directly.
Target Audience
Primary users are developers, data engineers, and AI agents building applications, analytics, or monitoring tools that require federal procurement data, as well as researchers and journalists who need programmatic access to consistent, up‑to‑date government contracting information.
Features
- Unified endpoint covering SAM.gov, USAspending, FPDS, DSBS, GSA eLibrary, Grants.gov, GAO protests, IT Dashboard, and agency forecasts
- Normalized schema with entity resolution across UEIs, DUNS, and USASpending keys
- Data refresh cadence matched to source updates (opportunities 20–60 min, contracts/IDVs twice daily, subawards daily)
- Response shaping to return only selected fields, reducing payload size and processing overhead
- Webhooks for real‑time notifications of new awards, opportunities, entities, grants, and forecasts
- OpenAPI specification and full documentation for auto‑generated clients in any language
- Official SDKs for Python, Node/TypeScript, Go, and Rust with parity on API surface