> ## Documentation Index > Fetch the complete documentation index at: https://developers.circle.com/llms.txt > Use this file to discover all available pages before exploring further. # Create a CUBIX bank account ## OpenAPI ````yaml openapi/account.yaml post /v1/businessAccount/banks/cubix openapi: 3.0.2 info: version: ${version} title: Core Functionality description: > All of Circle's APIs share a common set of core functionality that lets you manage your Circle Account in a programmatic way. With a Circle Account your business can deposit traditional money from 80+ countries and seamlessly convert them into "digital currency dollars": USDC. You can then use USDC for everyday payments and treasury flows. servers: - url: https://api-sandbox.circle.com - url: https://api.circle.com security: [] tags: - name: Balances description: Get information on settled and unsettled balances. - name: Payouts description: Create and get information on 1st party payouts. - name: Wires description: >- Create, get instructions, and get information on 1st party bank accounts for wire transfers. - name: CUBIX description: Create and get information on CUBIX accounts. - name: PIX description: Create and get information on PIX accounts. - name: Transfers description: Create and get information on 1st party transfers. - name: Addresses description: Generate and get information on blockchain addresses. - name: Deposits description: Get information on 1st party deposits. - name: Payments description: Create, cancel, refund, and get updates on card payments. - name: Settlement Bank Routing description: View and manage settlement bank routing preferences for fiat accounts. - name: Reporting description: >- Retrieve transaction and balance reports, including ISO 20022 (CAMT.053) statements and managed-payment reports. paths: /v1/businessAccount/banks/cubix: post: tags: - CUBIX summary: Create a CUBIX bank account operationId: createBusinessCubixAccount requestBody: content: application/json: schema: $ref: '#/components/schemas/CubixFiatAccountCreationRequest' responses: '201': description: Successfully created a bank account for CUBIX transfers. headers: X-Request-Id: $ref: '#/components/headers/XRequestId' content: application/json: schema: title: CreateBusinessCubixAccountResponse properties: data: $ref: '#/components/schemas/CubixFiatAccountResponse' examples: response: value: data: id: b8627ae8-732b-4d25-b947-1df8f4007a29 status: pending trackingRef: CIR25XSXT8 accountId: ff2212d7-8476-4d1e-9d95-eda6455f4f54 transferTypesInfo: cubix: currencies: - USD createDate: '2020-04-10T02:13:30.000Z' updateDate: '2020-04-10T02:13:30.000Z' '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/NotAuthorized' security: - bearerAuth: [] components: schemas: CubixFiatAccountCreationRequest: type: object required: - idempotencyKey - accountId properties: idempotencyKey: $ref: '#/components/schemas/IdempotencyKey' accountId: type: string format: uuid description: Cubix Account ID. example: ff2212d7-8476-4d1e-9d95-eda6455f4f54 CubixFiatAccountResponse: type: object required: - id - status - trackingRef - accountId - createDate - updateDate - transferTypesInfo properties: id: $ref: '#/components/schemas/Id' status: $ref: '#/components/schemas/ExternalFiatAccountStatus' trackingRef: type: string description: >- Tracking ref that needs to be set in the public description field when you send the funds to Circle's CUBIX account. example: CIR25XSXT8 accountId: type: string format: uuid description: Your CUBIX Account ID. example: ff2212d7-8476-4d1e-9d95-eda6455f4f54 transferTypesInfo: type: object description: >- A map which shows transfer types supported on this account as well as additional information for each. For CUBIX accounts this will always only show information for CUBIX transfers. additionalProperties: $ref: '#/components/schemas/TransferTypeInfo' example: cubix: currencies: - USD createDate: $ref: '#/components/schemas/UtcTimestamp' updateDate: $ref: '#/components/schemas/UtcTimestamp' IdempotencyKey: type: string description: >- Universally unique identifier (UUID v4) idempotency key. This key is utilized to ensure exactly-once execution of mutating requests. format: uuid example: ba943ff1-ca16-49b2-ba55-1057e70ca5c7 Id: type: string description: Unique system generated identifier for the entity. format: uuid example: b8627ae8-732b-4d25-b947-1df8f4007a29 ExternalFiatAccountStatus: description: >- Status of the account. A `pending` status indicates that the linking is in-progress; `complete` indicates the account was linked successfully; `failed` indicates it failed. type: string enum: - pending - complete - failed TransferTypeInfo: type: object required: - currencies description: Additional information for specific transfer type. properties: currencies: type: array uniqueItems: true items: $ref: '#/components/schemas/FiatCurrency' additionalProperties: description: Additional properties that apply to specific transfer type. type: object properties: transactionLimits: type: integer description: Transaction amount limit for the transfer type. example: 100000 UtcTimestamp: type: string description: ISO-8601 UTC date/time format. example: '2020-04-10T02:13:30.000Z' FiatCurrency: type: string description: Currency code. title: Currency enum: - USD - EUR - MXN - SGD - BRL headers: XRequestId: description: >- Universally unique identifier (UUID v4) for the request. Helpful for identifying a request when communicating with Circle support. schema: type: string format: uuid example: 2adba88e-9d63-44bc-b975-9b6ae3440dde responses: BadRequest: description: The request cannot be processed due to a client error. headers: X-Request-Id: $ref: '#/components/headers/XRequestId' content: application/json: schema: type: object title: BadRequest required: - code - message properties: code: type: integer example: 400 message: type: string example: Something went wrong. example: code: 400 message: Bad request. examples: response: value: code: 400 message: Bad request. NotAuthorized: description: >- The request has not been applied because it lacks valid authentication credentials. headers: X-Request-Id: $ref: '#/components/headers/XRequestId' content: application/json: schema: type: object title: NotAuthorized required: - code - message properties: code: type: integer example: 400 message: type: string example: Something went wrong. example: code: 401 message: Malformed authorization. examples: response: value: code: 401 message: Malformed authorization. securitySchemes: bearerAuth: type: http scheme: bearer ````