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.

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Simplifying Access to Fixed Income Data

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

Simple 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.

Fair pricing

We offer fair pricing for fixed income data that goes beyond the basics. With more features and deeper intelligence, we provide exceptional value without the excessive price tag.

User experience

A blazingly fast API with modern 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.

Customer support

Dedicated Slack channel for direct, real-time support from our team. Speak with the founders and engineers when needed, raise issues, and provide suggestions.

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.

Essentials

Government & Corporate Bonds

Essential data on 35,000+ government and corporate bonds, including reference data, EOD pricing and yields.

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

Learn more Read the docs Get started

Comprehensive

US Municipal Bonds

In-depth reference and pricing data on 900,000+ municipal bonds across 50,000+ issuers. Access 50+ data-points including call, make-whole, and sinking fund schedules, cashflows, tax status, pricing, and more.

Well-suited for:

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

Learn more Read the docs Contact us for access

On a mission to provide the most in-depth data on the bond market

We are a 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.

Try it out now

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
interest_accrual_date	2019-07-31
...	...

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. Share with your team and clients without breaking unexpected clauses.

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
}

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.

PM at €6bn AUM Asset Management Firm

Build a database from your documents with Terrapin DocX

Search, extract, and store complex information from prospectuses using our document extraction and indexation models. Unlike generic tools, our models are built specifically to tackle the complexities, idiosyncracies and naming conventions found in fixed income prospectuses, disclosures and reports. Our systems allow you to turn documents into structured databases automatically in minutes, instead of days.

{
  "5.700% Fixed Rate Notes due May 23, 2028": {
    "ISIN": {
      "RegS": "USF29416AB40",
      "Reg144A": "US28504DAB91"
    },
    "currency": "USD",
    "fitch_rating": "BBB+",
    "first_interest_payment_date": "2023-11-23",
    "interest_accrual_convention": "30/360",
    "integral_multiple": 1000,
    "interest_frequency": 2,
    "interest_payment_days": ["05-23", "11-23"],
    "interest_rate": 5.7,
    "interest_type": "fixed",
    "is_callable": true,
    "is_puttable": false,
    "issue_date": "2023-05-23",
    "issued_amount": 1000000000,
    "issuer": "EDF S.A.",
    "maturity_date": "2028-05-23",
    "minimum_denomination": 200000,
    "moodys_rating": "Baa1",
    "snp_rating": "BBB"
  },
  "6.250% Fixed Rate Notes due May 23, 2033": {
    "ISIN": {
      "RegS": "USF29416AC23",
      "Reg144A": "US28504DAC74"
    },
    "currency": "USD",
    "fitch_rating": "BBB+",
    "first_interest_payment_date": "2023-11-23",
    "interest_accrual_convention": "30/360",
    "integral_multiple": 1000,
    "interest_frequency": 2,
    "interest_payment_days": ["05-23", "11-23"],
    "interest_rate": 6.25,
    "interest_type": "fixed",
    "is_callable": true,
    "is_puttable": false,
    "issue_date": "2023-05-23",
    "issued_amount": 1000000000,
    "issuer": "EDF S.A.",
    "maturity_date": "2033-05-23",
    "minimum_denomination": 200000,
    "moodys_rating": "Baa1",
    "snp_rating": "BBB"
  },
  "6.900% Fixed Rate Notes due May 23, 2053": {
    "ISIN": {
      "RegS": "USF29416AD06",
      "Reg144A": "US28504DAD57"
    },
    "currency": "USD",
    "fitch_rating": "BBB+",
    "first_interest_payment_date": "2023-11-23",
    "interest_accrual_convention": "30/360",
    "integral_multiple": 1000,
    "interest_frequency": 2,
    "interest_payment_days": ["05-23", "11-23"],
    "interest_rate": 6.9,
    "interest_type": "fixed",
    "is_callable": true,
    "is_puttable": false,
    "issue_date": "2023-05-23",
    "issued_amount": 1000000000,
    "issuer": "EDF S.A.",
    "maturity_date": "2053-05-23",
    "minimum_denomination": 200000,
    "moodys_rating": "Baa1",
    "snp_rating": "BBB"
  }
}

The Modern Fixed Income Data Source