Congressional Budget Office website screenshot

Congressional Budget Office

The Congressional Budget Office (CBO) is the U.S. legislative branch agency that provides nonpartisan analyses of budgetary and economic issues to Congress. CBO publishes the Budget and Economic Outlook, projections of spending, revenues, deficits, and debt, cost estimates of legislation, and analytical reports. CBO data is distributed primarily as Excel and PDF files on cbo.gov; CBO does not currently publish a programmatic JSON API, but RSS feeds and downloadable structured workbooks make it possible to ingest CBO data into automated pipelines.

Congressional Budget Office publishes 3 APIs on the APIs.io network. Tagged areas include Budget, CBO, Economic Projections, Federal Government, and Legislative Branch.

Congressional Budget Office’s developer surface includes documentation and 7 more developer resources.

24.2/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
3 APIs
BudgetCBOEconomic ProjectionsFederal GovernmentLegislative BranchOpen DataRSS

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 24.2/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 3.0 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/congressional-budget-office: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

CBO Budget and Economic Data

Downloadable budget and economic data accompanying CBO's Budget and Economic Outlook reports. Includes 10-year projections of revenues, outlays, deficits, debt, employment, GDP,...

CBO Cost Estimates

CBO publishes cost estimates for legislation under consideration by Congress, covering both direct spending and revenue impact and including PAYGO scoring. Cost estimates are re...

CBO Publications RSS Feeds

CBO publishes RSS feeds for its publications, including reports, cost estimates, blog posts, working papers, and presentations. RSS is the primary machine-readable surface for n...

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

FinOps 1

Cost, billing, and metering signals for API financial operations.

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Congressional Budget Office Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Resources

Documentation 2

Reference material describing how the API behaves

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 1

Authentication, authorization, and security posture

Commercial 1

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: congressional-budget-office
url: https://raw.githubusercontent.com/api-evangelist/congressional-budget-office/refs/heads/main/apis.yml
name: Congressional Budget Office
kind: government
description: The Congressional Budget Office (CBO) is the U.S. legislative branch agency that provides nonpartisan analyses
  of budgetary and economic issues to Congress. CBO publishes the Budget and Economic Outlook, projections of spending, revenues,
  deficits, and debt, cost estimates of legislation, and analytical reports. CBO data is distributed primarily as Excel and
  PDF files on cbo.gov; CBO does not currently publish a programmatic JSON API, but RSS feeds and downloadable structured
  workbooks make it possible to ingest CBO data into automated pipelines.
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/congressional-budget-office.png
tags:
- Budget
- CBO
- Economic Projections
- Federal Government
- Legislative Branch
- Open Data
- RSS
created: '2024-12-03'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: congressional-budget-office:budget-and-economic-data
  name: CBO Budget and Economic Data
  description: Downloadable budget and economic data accompanying CBO's Budget and Economic Outlook reports. Includes 10-year
    projections of revenues, outlays, deficits, debt, employment, GDP, interest rates, and historical data going back several
    decades. Files are published as Excel workbooks and PDFs.
  humanURL: https://www.cbo.gov/data/budget-economic-data
  baseURL: https://www.cbo.gov
  tags:
  - Budget
  - Economic
  - Excel
  - Projections
  properties:
  - type: Documentation
    url: https://www.cbo.gov/data/budget-economic-data
  - type: Reference
    url: https://www.cbo.gov/about/products/budget-economic-data
  - type: Reference
    url: https://www.cbo.gov/data/baseline-projections-selected-programs
  x-features:
  - Budget projections workbook published with each Outlook
  - Historical baseline data extending back to 1962
  - Economic projections including GDP, employment, and rates
  - Excel and PDF formats; no JSON API
  x-useCases:
  - Track CBO baseline revenue and outlay projections over time
  - Compare current law projections with prior CBO baselines
  - Build analytical models that ingest CBO Excel workbooks
- aid: congressional-budget-office:cost-estimates
  name: CBO Cost Estimates
  description: CBO publishes cost estimates for legislation under consideration by Congress, covering both direct spending
    and revenue impact and including PAYGO scoring. Cost estimates are released as PDFs along with HTML summaries on cbo.gov.
  humanURL: https://www.cbo.gov/cost-estimates
  baseURL: https://www.cbo.gov
  tags:
  - Cost Estimate
  - Legislation
  - PAYGO
  - Scoring
  properties:
  - type: Documentation
    url: https://www.cbo.gov/cost-estimates
  - type: Reference
    url: https://www.cbo.gov/about/products/ce-faq
  - type: Reference
    url: https://www.cbo.gov/topics/budget
  x-features:
  - Per-bill cost estimate documents indexed on cbo.gov
  - PAYGO scoring summaries
  - Mandatory and discretionary spending breakdowns
  - PDF and HTML; no JSON API
  x-useCases:
  - Track cost estimates of pending legislation
  - Analyze fiscal impact of bills under consideration
  - Build legislative tracking pipelines that link bills to scores
- aid: congressional-budget-office:publications-rss
  name: CBO Publications RSS Feeds
  description: CBO publishes RSS feeds for its publications, including reports, cost estimates, blog posts, working papers,
    and presentations. RSS is the primary machine-readable surface for new CBO releases.
  humanURL: https://www.cbo.gov/about/get-cbo-information#rss
  baseURL: https://www.cbo.gov
  tags:
  - Feeds
  - Publications
  - RSS
  properties:
  - type: Documentation
    url: https://www.cbo.gov/about/get-cbo-information#rss
  - type: Reference
    url: https://www.cbo.gov/publications/all/rss.xml
  - type: Reference
    url: https://www.cbo.gov/cost-estimates/rss.xml
  x-features:
  - RSS feeds for publications, cost estimates, and blog
  - Standard RSS 2.0 with title, link, pubDate, and description
  - Polling-friendly machine-readable index of releases
  x-useCases:
  - Notify subscribers of new CBO releases
  - Drive ingestion pipelines for CBO publications
  - Cross-reference RSS items with full publication PDFs
common:
- type: DomainSecurity
  url: security/congressional-budget-office-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/us-cbo
- type: LinkedIn
  url: https://www.linkedin.com/company/congressional-budget-office
- type: Website
  url: https://www.cbo.gov/
- type: Documentation
  url: https://www.cbo.gov/data/budget-economic-data
- type: Reference
  url: https://www.cbo.gov/about/products
- type: Feeds
  url: https://www.cbo.gov/about/get-cbo-information#rss
- type: PrivacyPolicy
  url: https://www.cbo.gov/about/policies/privacy-and-security-policy
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com