BNY Asset Servicing API

BNY Asset Servicing APIs expose the firm's custody, fund accounting, middle-office, transfer agency, ETF servicing, and data & analytics surface to institutional clients through the BNY Developer Marketplace. Asset Servicing is anchored by approximately $59.4 trillion in assets under custody and/or administration (Q1 2026) and underpins BNY's positioning as the world's largest custodian.

OpenAPI Specification

bny-asset-servicing-api-openapi.yml Raw ↑
openapi: 3.1.0
info:
  title: BNY Asset Servicing API
  description: >-
    BNY Asset Servicing APIs expose custody, fund accounting, middle-office, transfer agency, ETF servicing, and
    data & analytics surface to institutional clients through the BNY Developer Marketplace at developer.bny.com.
    Operations are illustrative; full reference is published behind Nexen single sign-on.
  version: '1.0'
  contact:
    name: BNY Developer Support
    url: https://developer.bny.com/
externalDocs:
  description: BNY Developer Marketplace
  url: https://developer.bny.com/
servers:
  - url: https://apigateway.bny.com
    description: Production
  - url: https://apigateway.qa.bny.com
    description: Sandbox
tags:
  - name: Asset Servicing
    description: Custody, fund accounting, middle-office, and transfer agency operations.
security:
  - bearerAuth: []
paths:
  /v1/status:
    get:
      operationId: getAssetServicingStatus
      summary: Get Asset Servicing Status
      description: >-
        Returns the current status of the BNY Asset Servicing API surface.
      tags:
        - Asset Servicing
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                  version:
                    type: string
        '401':
          description: Unauthorized
        '429':
          description: Too many requests
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer