EOD Historical Data US Treasury API
US Treasury interest rates (bills, yields, long-term, real yields)
EOD Historical Data US Treasury API is one of 20 APIs that EOD Historical Data publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include US Treasury. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and pricing.
This API exposes 4 operations across 4 paths. It is described by OpenAPI 3.1.0, at version 2.0.0.
Requests are made against 2 base URLs: https://eodhd.com/api, https://eodhistoricaldata.com/api.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
EOD Historical Data US Treasury API declares
1 security scheme
for authenticating requests.
An API key is passed in the query as api_token (EODHDQueryKey).
By default, every request must be authenticated.
EODHDQueryKey— EODHD API key (stored as a secret in ChatGPT).
Paths & Operations 4
Across 4 paths, the API surfaces 4 operations — 4 GET. Each is listed below with its method, path, parameters, and response codes.
US Treasury interest rates (bills, yields, long-term, real yields)
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from EOD Historical Data 12
Other APIs EOD Historical Data publishes across the network.