DATPAQ

DATPAQ Interest Rate API

Current benchmark interest rates and the Treasury yield curve

GitHub OpenAPI

Operations 2

GET /interest-rate/current Get current benchmark rates by category #
GET /interest-rate/yield-curve Get the ordered Treasury yield curve #

Specifications

⚙
OpenAPI
https://artifacts.apis.io/datpaq-com/openapi/datpaq-com-interest-rate-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/datpaq-com/json-schema/datpaq-com-generic-success-schema.json

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/datpaq-com:datpaq-com-interest-rate-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

datpaq-com-interest-rate-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Datpaq Com Interest Rate API
  version: 1.1.0
  contact:
    name: Datpaq Support
    url: https://datpaq.com
  license:
    name: Proprietary
  description: 'Operations tagged Interest Rate across 2 of this provider''s published API definitions: datpaq-com.yaml, datpaq-com-openapi.yaml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://datpaq.com/api/v1
  description: Production
- url: https://staging.datpaq.com/api/v1
  description: Staging
security:
- ApiKeyHeader: []
- ApiKeyQuery: []
tags:
- name: Interest Rate
  description: Current benchmark interest rates and the Treasury yield curve
paths:
  /interest-rate/current:
    get:
      tags:
      - Interest Rate
      operationId: interestRateCurrent
      summary: Get current benchmark rates by category
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
              example:
                success: true
                data:
                  central_bank:
                    fed_funds_rate:
                      label: Federal Funds Rate
                      value: 4.33
                      trend: flat
                      change_1m: 0
                      value_1m_ago: 4.33
                      value_1y_ago: 5.33
                      as_of: '2026-07-17'
                      series_id: DFF
                  treasury:
                    t_10yr:
                      label: 10-Year Treasury
                      value: 4.32
                      trend: rising
                      change_1m: 0.04
                      value_1m_ago: 4.28
                      value_1y_ago: 4.4
                      as_of: '2026-07-17'
                      series_id: DGS10
                data_source: snapshot
                snapshot_date: '2026-07-17'
                correlationId: '...'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
        default:
          $ref: '#/components/responses/ServiceUnavailable'
    servers:
    - url: https://datpaq.com/api/v1
      description: Production
    - url: https://staging.datpaq.com/api/v1
      description: Staging
  /interest-rate/yield-curve:
    get:
      tags:
      - Interest Rate
      operationId: interestRateYieldCurve
      summary: Get the ordered Treasury yield curve
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
        default:
          $ref: '#/components/responses/ServiceUnavailable'
    servers:
    - url: https://datpaq.com/api/v1
      description: Production
    - url: https://staging.datpaq.com/api/v1
      description: Staging
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
          description: Human-readable error message
          example: Invalid API key
        correlationId:
          type: string
          description: Request tracking identifier for support
          example: abc123-def456-789ghi
        service:
          type: string
          description: Service name that produced the error
          example: ip-geolocation
    GenericSuccess:
      type: object
      description: Standard success envelope. The data property structure varies by endpoint.
      properties:
        correlationId:
          type: string
          description: Request tracking identifier
          example: abc123-def456
        data:
          type: object
          description: Response payload (structure varies by endpoint)
        cached:
          type: boolean
          description: Whether the response was served from cache
          example: false
  responses:
    BadRequest:
      description: Bad request — missing or invalid parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    RateLimited:
      description: Rate limit exceeded — retry after the indicated period
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    ServiceUnavailable:
      description: Service temporarily unavailable
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Unauthorized — missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    ApiKeyHeader:
      type: apiKey
      in: header
      name: x-api-key
      description: API key passed via x-api-key request header
    ApiKeyQuery:
      type: apiKey
      in: query
      name: api_key
      description: API key passed as api_key query parameter
x-refined-from:
- datpaq-com.yaml
- datpaq-com-openapi.yaml