openapi: 3.1.0
info:
title: USAspending.gov API (CFO Council context) Agencies Search API
description: 'The Chief Financial Officers Council itself does not operate a developer API. This
best-effort OpenAPI documents a subset of the USAspending.gov v2 API operated by the
U.S. Department of the Treasury, which is the primary federal financial-management
data API closely associated with the CFOC remit. Source: https://api.usaspending.gov/docs/endpoints.'
version: '2026-05-23'
contact:
name: USAspending.gov
url: https://api.usaspending.gov/docs/endpoints
license:
name: Public Domain (U.S. Government Work)
servers:
- url: https://api.usaspending.gov
description: Production
tags:
- name: Search
paths:
/api/v2/search/spending_by_award/:
post:
tags:
- Search
summary: Search spending by award (filtered)
operationId: searchSpendingByAward
responses:
'200':
description: Award-level spending results
/api/v2/search/spending_by_category/{category}/:
parameters:
- name: category
in: path
required: true
schema:
type: string
post:
tags:
- Search
summary: Spending broken down by category
operationId: searchSpendingByCategory
responses:
'200':
description: Categorized spending results
/api/v2/search/spending_over_time/:
post:
tags:
- Search
summary: Spending over time
operationId: searchSpendingOverTime
responses:
'200':
description: Time-series spending