Guides¶

Task-oriented walkthroughs for working with the Tango API. If you know what you want to do, start here. If you know what you want to look up, jump to the API reference.

Getting Started¶

New to Tango? These get you to a working request fast.

• Quick start — your first API call in under five minutes
• Authentication — API keys and OAuth2
• Plans & pricing — what each tier unlocks

Patterns¶

Cross-cutting techniques you'll use on every endpoint.

• Response shaping — pick exactly the fields you want
• Pagination & result counts — cursor pagination, totals, large result sets
• Rate limits & retries — what the headers tell you and how to back off
• Vehicles explained — IDVs, BPAs, GWACs, schedule contracts

How-to recipes¶

Specific jobs, end-to-end.

• Search opportunities by NAICS
• Resolve free-text agency names
• Stream contract awards in real time
• Migrate from USAspending bulk download

Webhook recipes¶

Filter-based webhook alerts (/api/webhooks/alerts/) — see also the Webhooks user guide.

• Vendor watchlist
• Awards by NAICS
• Grants by agency
• Forecast pipeline

Looking for SDK-specific examples? See the Python or Node SDK docs.