# api-ninjas-com Treasury Yield API

**Canonical:** https://apis.io/apis/api-ninjas-com/api-ninjas-com-treasury-yield-api/  
**Provider:** api-ninjas-com — https://apis.io/providers/api-ninjas-com/  
**Base URL:** https://api.api-ninjas.com  
**Documentation:** https://api-ninjas.com/guides

api-ninjas-com Treasury Yield API is one of 141 APIs that [api-ninjas-com](https://apis.io/providers/api-ninjas-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Treasury Yield. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and 6 JSON Schemas.

Current and historical U.S. Treasury yield curve: nominal Constant Maturity Treasury (CMT) par yields (1 month to 30 years), the real (TIPS) yield curve, and Treasury bill rates, with precomputed 2s10s / 3m10s / 5s30s spreads and a yield-curve inversion flag. Data sourced from the U.S. Department of the Treasury.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/treasuryyield` | Get the current (or a specific day's) Treasury yield curve |
| GET | `/v1/treasuryyieldhistorical` | Get a historical Treasury yield time series |

## Machine-readable artifacts (9)

- **OpenAPI** — https://artifacts.apis.io/api-ninjas-com/openapi/api-ninjas-com-treasury-yield-api-openapi.yml
- **Documentation** — https://api-ninjas.com/guides
- **APIReference** — https://api-ninjas.com/openapi.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-zip-code-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-geocoding-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-university-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-sports-game-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-holiday-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-layoff-notice-schema.json

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## Tags

Treasury Yield

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/api-ninjas-com/api-ninjas-com-treasury-yield-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/api-ninjas-com/.