Terrapin

Articles

Insights, announcements, and deep-dives from the Terrapin team on fixed income data, markets, and technology.

AI
MCP
Financial Data

Claude with MCPs vs Platform with Data Access: Reflections from a Data Vendor Turned Research Platform

Why build a specialized platform when Claude with data MCPs can look like the same product? Tradeoffs across cost, scalability, accuracy and integrations for capital markets, and how workflows, licensing and scale change the calculus.

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US Agency Bonds
Fixed Income Data

Terrapin now covers the $2+ trillion U.S. agency bond market

US agency bond coverage: Fannie Mae and Freddie Mac securities with ISINs, CUSIPs, schedules, coupons, calls, and issuance amounts—available through Terrapin's fixed income APIs.

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US Municipal Bonds
Fixed Income Data

Municipal Bond Entity Master: Mapping Issuers, Obligors, and Pledges in US Munis

Terrapin has built an entity master designed for the reality of the municipal debt market: linking bonds to issuers, obligors, obligated groups, revenue systems, and key relationships.

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US Municipal Bonds
Fixed Income Data

Municipal OSs now available through the API, and other updates

API users can now retrieve official statements associated with municipal securities and download them directly into their systems.

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Government Bonds
Fixed Income Data

Terrapin now covers China's $20+ trillion government bond market

We've added over 1,000 Chinese Ministry of Finance treasury securities to our database, covering historical and active issuances. Access the latest data on tradable Chinese govies.

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Business
Fixed Income Data

DebtBook adopts Terrapin's fixed income data

Terrapin has entered into an agreement with DebtBook to provide fixed income reference and pricing data to power DebtBook's platform.

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Market Analysis
US Municipal Bonds

Analyzing pre-OS US municipal bond trade volumes

What fraction of the traded volume of a municipal bond happens before the final OS has been disseminated via EMMA/MSRB?

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