The Modern
Fixed Income
Data Source

Reference and pricing data on government, corporate and municipal bonds with the simplest API on the market. From sign up to data in minutes.

US Municipal Bond Screener

Why choose Terrapin for your fixed income data needs

We simplify the way institutional investors navigate, explore, and analyze their bond universe. We empower service providers to create the next generation of products.

Flexible licensing

Our licenses are designed to empower our clients rather than restrict them. Share and collaborate with your team, or integrate into client reports without breaking unexpected clauses. Build, analyze, and share without compliance bottlenecks.

Fair pricing

We aim to grow with our clients, so our pricing is designed to adapt to each client's scale and needs. With more features and deeper intelligence, we provide exceptional value without the excessive price tag.

User experience

A modern API with clear docs. Get your data in JSON or CSV via our API, on a per security basis or in bulk. Spend your time researching, not integrating. Get complimentary dedicated onboarding support to ensure speedy and correct integration with your systems.

Client support

Speak directly with the founders and engineers through a dedicated Slack channel. Unlike other providers, our entire team is dedicated to hands-on support, ensuring your data flows smoothly and errors are patched in a timely manner.

Vertical integration

Having built a vertically integrated fixed income data platform, from source collection to extraction to delivery, we are able to offer a unique and comprehensive solution to our clients, without the need for external partners.

Aligned incentives

Unlike most data conglomerates, we are a pure data and research provider with no conflicts of interest, so we can focus on providing the best possible service without imposing artificial barriers.

Trusted by

levele_research openyield edi sensestreet sigtech openbb optimx

Solutions for market professionals

We simplify the way institutional investors navigate, explore, and analyze their bond universe. We empower service providers to create the next generation of products.

Fintechs and platforms

Our data API is used by fintechs and platforms to power their research, client interfaces and analytics. We offer flexible distribution rights so that you can focus on building instead of compliance.

Asset managers and hedge funds

Go further with historical pricing and reference data. Generate complex cashflow and analytics to power backtesting, risk management and analytics. Build indices and custom curves to power your portfolio construction.

Municipal credit analysts

Our AI-powered credit intelligence tool, backed by our extensive reference data and official document library, helps you quickly and accurately identify and analyze municipal credit risks, opportunities and trends.

Data Feeds and APIs

Access comprehensive data feeds for government, corporate, and municipal bonds. Our APIs are used by fintechs, asset managers, and hedge funds to power research, client interfaces and analytics.

Comprehensive

US Municipal Bonds

In-depth reference and pricing data on over 1.2 million municipal bonds across 50,000+ issuers. Access 60+ data-points including full call, sinking fund and interest payment schedules to accurately model securities at any level - individual, issuer, state, sector, and more. Our data is captured directly from the source OS and disclosures, ensuring timeliness, accuracy and traceability.

Well-suited for:

  • Universe screening and selection
  • Custom indices and benchmarks
  • Yield curve construction
  • Risk management and analytics
Essentials

Government & Corporate Bonds

Essential data on 35,000+ government and corporate bonds, including reference data, EOD pricing and yields. Government bonds include US Treasuries, Gilts, Bunds and more. Corporate bonds include US and European corporate bonds.

Well-suited for:

  • Tracking of government issues including Treasuries, Gilts and Bunds
  • Integration in user interfaces, client portals and analytics tools
  • Use in client reports
  • Grounding of disparate client data and incoming feeds

Depth and breadth

Basic and complex data fields to get the full picture of each bond

We are building the foundational features for institutional investors to streamline their analysis. Build custom curves, design indices, measure risk, and access cashflow information all within our API-first platform.

Yield To Maturity (%)

Reference Data

ticker
T 1.875 07/31/26
issue_date
2019-07-31
coupon
1.875
currency
USD
is_inflation_linked
false
is_callable
false
maturity_date
2026-07-31
interest_type
fixed rate
...
...

Developer experience

Unmatched accessibility

At Terrapin, everything is built with the end user in mind. Our API is designed to be simple, fast, and easy to use. We provide modern documentation, output in JSON or CSV, and Jupyter notebooks for data exploration.

Onboard and pull the data into your systems in days instead of months.

View API docs
$ curl --request POST \
  --url "https://terrapinfinance.com/api/v1/bond_reference" \
  --header "accept: application/json" --> # text/csv to get CSV response
  --header "authorization: Bearer [token]" \
  --json '{"isins": ["US912828Y958"]}'

{
  "data": [
    {
      "country_code": "US",
      "coupon": 1.875,
      "coupon_frequency": 2,
      "currency": "USD",
      "interest_accrual_convention": "act/act",
      "interest_accrual_date": "2019-07-31",
      "interest_type": "fixed rate",
      "is_callable": false,
      "is_inflation_linked": false,
      "isin": "US912828Y958",
      "issue_date": "2019-07-31",
      "issued_amount": 33271236300
      "issuer_type": "government",
      "lei": "254900HROIFWPRGM1V77",
      "maturity_date": "2026-07-31",
      "name": "UNITED STATES DEPARTMENT OF THE TREASURY 1.875% 2026",
      "sector": "public",
      "ticker": "T 1.875 07/31/26",
      ...
    }
  ],
  "total": 1
}

Comparison

Doing things differently

We believe that data should not be a barrier to innovation. Having built a vertically integrated fixed income data platform, from source collection to extraction to delivery, we are able to offer a unique and comprehensive solution to our clients without the need for external partners, onerous licensing agreements or constraining pricing.
Feature Terrapin Traditional Providers
First contact to quote Days Weeks
Integration time Days Months
Legal agreement Light and concise Restrictive and complex
How data updates become available Instantly via API Nightly in bulk
Support response Same day Days
Documentation Interactive & Complete PDF/Static

AI-powered analysis

Surface insights from official statements faster

Instantly extract, summarize, and analyze key information from official statements and disclosures using our AI-powered tools. Accelerate your research workflow by surfacing relevant covenants, call features, and financial details in seconds—no more manual searching or endless PDF reviews. Gain actionable insights and make informed decisions faster than ever.

Request access
AI-powered ask feature

Gain and edge by developing and deploying proprietary data points

We collaborate directly with clients to develop proprietary, bespoke fields to be extracted across the entire municipal bond universe. Whether you need to track a specific covenant, a unique call schedule, or a custom field, we can help you build and deploy it at scale. No feature is too niche.

Testimonial

Providing exceptional client support

"We recently integrated Terrapin's API and we're pleased with its functionality and ease of use. What really impressed us was the outstanding customer support. The team was incredibly responsive and made numerous data points available to us in no time at all. Their dedication and quick support have truly added value to our experience. We recommend Terrapin for their excellent support services."

Portfolio Manager at €6bn AUM Asset Management Firm

Frequently Asked Questions

Get answers to common questions about our fixed income data platform

Still have questions?

Get in Touch