openapi: 3.1.0 info: title: Upvest Investment Account Transfers Cash Balances API description: The Upvest Investment API provides a unified interface for building embedded investment experiences. It supports placing and managing orders, creating portfolios, configuring savings plans, handling securities transfers, and managing user accounts and positions. The API covers the full order lifecycle with asynchronous processing and webhook notifications for real-time event handling. Financial institutions can use the API to offer fractional investing, automated portfolio management, and localized investment products across European and UK markets. version: 1.0.0 contact: name: Upvest Support url: https://upvest.co/ termsOfService: https://upvest.co/legal servers: - url: https://api.upvest.co description: Production Server - url: https://sandbox.upvest.co description: Sandbox Server security: - oauth2ClientCredentials: [] tags: - name: Cash Balances description: View cash balance information for accounts. paths: /accounts/{account_id}/cash_balances: get: operationId: listCashBalances summary: Upvest List cash balances description: Retrieve cash balance information for an account. tags: - Cash Balances parameters: - $ref: '#/components/parameters/AccountId' responses: '200': description: Cash balance details content: application/json: schema: type: object properties: data: type: array items: $ref: '#/components/schemas/CashBalance' examples: listCashBalances200Example: summary: Default listCashBalances 200 response x-microcks-default: true value: data: - account_id: {} available: {} pending: {} total: {} currency: {} '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/Error' examples: listCashBalances401Example: summary: Default listCashBalances 401 response x-microcks-default: true value: type: standard status: 100 title: example-value detail: example-value x-microcks-operation: delay: 0 dispatcher: FALLBACK components: parameters: AccountId: name: account_id in: path required: true description: The unique identifier of the account. schema: type: string format: uuid schemas: CashBalance: type: object description: Cash balance information for an account. properties: account_id: type: string format: uuid description: The account identifier. example: a1b2c3d4-e5f6-7890-abcd-ef1234567890 available: type: string description: The available cash balance as a decimal string. example: example-value pending: type: string description: The pending cash amount as a decimal string. example: example-value total: type: string description: The total cash balance as a decimal string. example: example-value currency: type: string description: The balance currency. pattern: ^[A-Z]{3}$ example: EUR Error: type: object description: An API error response. properties: type: type: string description: The error type identifier. example: standard status: type: integer description: The HTTP status code. example: 100 title: type: string description: A short human-readable summary of the error. example: example-value detail: type: string description: A detailed human-readable explanation of the error. example: example-value securitySchemes: oauth2ClientCredentials: type: oauth2 description: OAuth 2.0 client credentials flow. Obtain an access token by providing your client ID and client secret. flows: clientCredentials: tokenUrl: /auth/token scopes: users:read: Read user data users:admin: Onboard and manage users accounts:read: Read account data accounts:admin: Create and manage accounts orders:read: Read order data orders:admin: Place and manage orders instruments:read: Read instrument data portfolios:read: Read portfolio data portfolios:admin: Create and manage portfolios positions:read: Read position data payments:read: Read payment data payments:admin: Manage payments and direct debits reports:read: Read reports webhooks:read: Read webhook subscriptions webhooks:admin: Manage webhook subscriptions transactions:read: Read transaction data fees:read: Read fee data fees:admin: Configure fees externalDocs: description: Upvest API Documentation url: https://docs.upvest.co/