bankday-dev

bankday-dev Business Days API

The Business Days API from bankday-dev — 5 operation(s) for business days.

GitHub OpenAPI

Operations 5

GET /v1/business-days/add Add or subtract business days #
GET /v1/business-days/count Count business days between two dates #
GET /v1/business-days/next Next (or previous) business day #
GET /v1/business-days/roll Adjust a date with a business-day convention #
GET /v1/business-days List business days in a range #

Specifications

⚙
OpenAPI
https://artifacts.apis.io/bankday-dev/openapi/bankday-dev-business-days-api-openapi.yml

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OpenAPI Specification

bankday-dev-business-days-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Bankday Business Days API
  version: 1.0.0
  description: Business days, holidays and settlement dates for payment rails, exchanges and countries.
  contact:
    url: https://bankday.dev
servers:
- url: https://bankday.dev
security:
- bearer: []
tags:
- name: Business Days
paths:
  /v1/business-days/add:
    get:
      operationId: add
      summary: Add or subtract business days
      description: Moves days business days from date. The start date itself is not counted, so adding 1 business day to a Friday gives the following Monday (if it is open). Negative values go backwards.
      parameters:
      - name: calendar
        in: query
        required: true
        description: Calendar id, or up to 10 comma-separated ids for a joint calendar (e.g. us-fed,eu-target2). Aliases such as nyse, ach, sepa, bacs are accepted.
        schema:
          type: string
      - name: date
        in: query
        required: true
        description: YYYY-MM-DD
        schema:
          type: string
      - name: days
        in: query
        required: true
        description: Integer between -2600 and 2600
        schema:
          type: integer
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
              example:
                calendar: us-fed
                date: '2026-11-25'
                days: 2
                result: '2026-11-30'
                result_status:
                  date: '2026-11-30'
                  weekday: Monday
                  business_day: true
                  closures: []
        '400':
          $ref: '#/components/responses/Error'
        '401':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '422':
          $ref: '#/components/responses/Error'
        '429':
          $ref: '#/components/responses/Error'
      tags:
      - Business Days
  /v1/business-days/count:
    get:
      operationId: count
      summary: Count business days between two dates
      description: Counts business days d with start < d ≤ end (the usual "how many business days until"). Pass include_start=true to count start ≤ d ≤ end. Returns a negative number when end is before start.
      parameters:
      - name: calendar
        in: query
        required: true
        description: Calendar id, or up to 10 comma-separated ids for a joint calendar (e.g. us-fed,eu-target2). Aliases such as nyse, ach, sepa, bacs are accepted.
        schema:
          type: string
      - name: start
        in: query
        required: true
        description: YYYY-MM-DD
        schema:
          type: string
      - name: end
        in: query
        required: true
        description: YYYY-MM-DD
        schema:
          type: string
      - name: include_start
        in: query
        required: false
        description: true | false (default false)
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/Error'
        '401':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '422':
          $ref: '#/components/responses/Error'
        '429':
          $ref: '#/components/responses/Error'
      tags:
      - Business Days
  /v1/business-days/next:
    get:
      operationId: next
      summary: Next (or previous) business day
      description: 'The first business day strictly after date (default: today in the calendar''s time zone). Use inclusive=true to return the date itself when it is a business day. /v1/business-days/previous works the same way backwards.'
      parameters:
      - name: calendar
        in: query
        required: true
        description: Calendar id, or up to 10 comma-separated ids for a joint calendar (e.g. us-fed,eu-target2). Aliases such as nyse, ach, sepa, bacs are accepted.
        schema:
          type: string
      - name: date
        in: query
        required: false
        description: YYYY-MM-DD (default today)
        schema:
          type: string
      - name: inclusive
        in: query
        required: false
        description: true | false (default false)
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/Error'
        '401':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '422':
          $ref: '#/components/responses/Error'
        '429':
          $ref: '#/components/responses/Error'
      tags:
      - Business Days
  /v1/business-days/roll:
    get:
      operationId: roll
      summary: Adjust a date with a business-day convention
      description: 'Rolls a non-business date using ISDA-style conventions: following, preceding, modified_following (following, unless that crosses into the next month), modified_preceding. Business days are returned unchanged.'
      parameters:
      - name: calendar
        in: query
        required: true
        description: Calendar id, or up to 10 comma-separated ids for a joint calendar (e.g. us-fed,eu-target2). Aliases such as nyse, ach, sepa, bacs are accepted.
        schema:
          type: string
      - name: date
        in: query
        required: true
        description: YYYY-MM-DD
        schema:
          type: string
      - name: convention
        in: query
        required: false
        description: following (default) | preceding | modified_following | modified_preceding
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/Error'
        '401':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '422':
          $ref: '#/components/responses/Error'
        '429':
          $ref: '#/components/responses/Error'
      tags:
      - Business Days
  /v1/business-days:
    get:
      operationId: list
      summary: List business days in a range
      description: All business days between start and end inclusive (max 2 years).
      parameters:
      - name: calendar
        in: query
        required: true
        description: Calendar id, or up to 10 comma-separated ids for a joint calendar (e.g. us-fed,eu-target2). Aliases such as nyse, ach, sepa, bacs are accepted.
        schema:
          type: string
      - name: start
        in: query
        required: true
        description: YYYY-MM-DD
        schema:
          type: string
      - name: end
        in: query
        required: true
        description: YYYY-MM-DD
        schema:
          type: string
      - name: format
        in: query
        required: false
        description: json (default) or csv, e.g. for a spreadsheet IMPORTDATA
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/Error'
        '401':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '422':
          $ref: '#/components/responses/Error'
        '429':
          $ref: '#/components/responses/Error'
      tags:
      - Business Days
components:
  responses:
    Error:
      description: Error
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: object
                properties:
                  code:
                    type: string
                  message:
                    type: string
  securitySchemes:
    bearer:
      type: http
      scheme: bearer