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GET
GetUsTreasuryParYieldCurve

Authorizations

X-WorldMonitor-Key
string
header
required

User-issued WorldMonitor API key.

Query Parameters

history
boolean

When true, return every stored business day since 1990. When false, return the latest day.

jmespath
string

Optional JMESPath expression applied server-side to project or reduce the JSON response before it is returned (mirrors the MCP jmespath argument). Invalid expressions, expressions larger than 1024 UTF-8 bytes, or projections that exceed the 256 KB output cap return HTTP 400 with a {_jmespath_error, original_keys} envelope. Grammar and worked examples: https://www.worldmonitor.app/docs/mcp-jmespath.

Response

Successful response

GetUsTreasuryParYieldCurveResponse is the par curve for the requested window.

curves
object[]
unavailable
boolean

True when the seeded curve is unavailable. An empty list is not a zero yield.