apiverve / treasuryyields

1.2.5 2026-11-09 17:49 UTC

Requires

• php: >=7.4
• guzzlehttp/guzzle: ^7.0

Requires (Dev)

• phpunit/phpunit: ^9.0

MIT

• APIVerve

• api
• apiverve
• treasury bonds
• treasuryyields
• treasury yields
• t-bill rates
• treasury notes
• tips rates

Published on Packagist.org on 2026-11-09 21:40 UTC

README

Treasury Yields provides current and historical US Treasury constant-maturity market yields across the full curve (1-month through 30-year), plus TIPS real yields. Paid plans add curve spreads, inversion flags, the curve's shape and breakeven inflation for yield curve analysis.

The Treasury Yields API provides a simple, reliable way to integrate treasury yields functionality into your applications. Built for developers who need production-ready treasury yields capabilities without the complexity of building from scratch.

View API Details →

Available on:

Quick Start

Using JavaScript

async function callTreasuryYieldsAPI() {
    try {
        const response = await fetch('https://api.apiverve.com/v1/treasuryyields', {
            method: 'GET',
            headers: {
                'x-api-key': 'YOUR_API_KEY_HERE'
            }
        });

        const data = await response.json();
        console.log(data);
    } catch (error) {
        console.error('Error:', error);
    }
}

callTreasuryYieldsAPI();

Using cURL

curl -X GET "https://api.apiverve.com/v1/treasuryyields" \
  -H "x-api-key: YOUR_API_KEY_HERE"

Get your API key: https://apiverve.com

📁 For more examples, see the examples folder

Installation

Choose your preferred programming language:

📦 NPM (JavaScript/Node.js)

npm install @apiverve/treasuryyields

View NPM Package → | Package Code →

🔷 NuGet (.NET/C#)

dotnet add package APIVerve.API.TreasuryYields

View NuGet Package → | Package Code →

🐍 Python (PyPI)

pip install apiverve-treasuryyields

View PyPI Package → | Package Code →

💎 Ruby (RubyGems)

gem install apiverve_treasuryyields

View RubyGems Package → | Package Code →

🐘 PHP (Packagist)

composer require apiverve/treasuryyields

View Packagist Package → | Package Code →

🎯 Dart (pub.dev)

dart pub add apiverve_treasuryyields

View pub.dev Package → | Package Code →

🤖 Android (JitPack)

implementation 'com.github.apiverve:treasuryyields-api:1.0.0'

Package Code →

🐹 Go

go get github.com/apiverve/treasuryyields-api/go

Package Code →

Why Use This API?

Feature	Benefit
Multi-language SDKs	Native packages for JavaScript, Python, C#, Go, and Android
Simple Integration	Single API key authentication, consistent response format
Production Ready	99.9% uptime SLA, served from 24 global regions
Comprehensive Docs	Full examples, OpenAPI spec, and dedicated support

Documentation

• 🏠 API Home: Treasury Yields API
• 📚 API Reference: docs.apiverve.com/ref/treasuryyields
• 📖 OpenAPI Spec: openapi.yaml
• 💡 Examples: examples/

What Can You Build?

The Treasury Yields API is commonly used for:

• Web Applications - Add treasury yields features to your frontend or backend
• Mobile Apps - Native SDKs for Android development
• Automation - Integrate with n8n, Zapier, or custom workflows
• SaaS Products - Enhance your product with treasury yields capabilities
• Data Pipelines - Process and analyze data at scale

API Reference

Authentication

All requests require an API key in the header:

x-api-key: YOUR_API_KEY_HERE

Get your API key: https://apiverve.com

Response Format

Every APIVerve endpoint returns the same envelope — check status, then read data:

{
  "status": "ok",
  "error": null,
  "data": { ... }
}

Example Response

A real response from the Treasury Yields API:

{
  "status": "ok",
  "error": null,
  "data": {
    "date": "2026-10-23",
    "yields": {
      "1mo": 4.11,
      "3mo": 4.22,
      "6mo": 4.3,
      "1yr": 4.44,
      "2yr": 4.69,
      "3yr": 4.75,
      "5yr": 4.82,
      "7yr": 4.89,
      "10yr": 5,
      "20yr": 5.37,
      "30yr": 5.33
    },
    "realYields": {
      "5yr": 2.34,
      "7yr": 2.49,
      "10yr": 2.66,
      "20yr": 2.94,
      "30yr": 3.08
    },
    "bills": 4.22,
    "notes": 5,
    "bonds": 5.33,
    "tips": 2.66,
    "frn": 4.22,
    "changes": {
      "bills": {
        "change1d": 0,
        "direction": "unchanged"
      },
      "notes": {
        "change1d": 0.04,
        "direction": "up"
      },
      "bonds": {
        "change1d": 0.04,
        "direction": "up"
      },
      "tips": {
        "change1d": 0.02,
        "direction": "up"
      },
      "frn": {
        "change1d": 0,
        "direction": "unchanged"
      },
      "1mo": {
        "change1d": 0,
        "direction": "unchanged"
      },
      "3mo": {
        "change1d": 0,
        "direction": "unchanged"
      },
      "6mo": {
        "change1d": 0.01,
        "direction": "up"
      },
      "1yr": {
        "change1d": 0.03,
        "direction": "up"
      },
      "2yr": {
        "change1d": 0.04,
        "direction": "up"
      },
      "3yr": {
        "change1d": 0.03,
        "direction": "up"
      },
      "5yr": {
        "change1d": 0.04,
        "direction": "up"
      },
      "7yr": {
        "change1d": 0.03,
        "direction": "up"
      },
      "10yr": {
        "change1d": 0.04,
        "direction": "up"
      },
      "20yr": {
        "change1d": 0.05,
        "direction": "up"
      },
      "30yr": {
        "change1d": 0.04,
        "direction": "up"
      }
    },
    "spread10yr2yr": 0.31,
    "spread10yr3mo": 0.78,
    "spread30yr5yr": 0.51,
    "spread5yr2yr": 0.13,
    "inverted10yr2yr": false,
    "inverted10yr3mo": false,
    "curveShape": "normal",
    "breakevenInflation": {
      "5yr": 2.48,
      "7yr": 2.4,
      "10yr": 2.34,
      "20yr": 2.43,
      "30yr": 2.25
    }
  }
}

Support & Community

• 🏠 API Home: Treasury Yields API
• 💬 Support: https://apiverve.com/contact
• 🐛 Issues: GitHub Issues
• 📖 Documentation: https://docs.apiverve.com
• 🌐 Website: https://apiverve.com

Contributing

We welcome contributions! Please see CONTRIBUTING.md for guidelines.

Security

For security concerns, please review our Security Policy.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

Built with ❤️ by APIVerve

Copyright © 2026 APIVerve. All rights reserved.