> ## Documentation Index
> Fetch the complete documentation index at: https://docs.carbn.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Register Destination Account

> Register a new destination account (bank account or card) for a user



## OpenAPI

````yaml /api-reference/openapi.json post /payment/api/v1/accounts/register
openapi: 3.0.0
info:
  title: Carbn Connect API
  version: 1.0.0
  description: >-
    API documentation for Carbn Connect services including user onboarding, KYC,
    wallet management, and transfers.
servers:
  - url: https://api.carbnconnect.com
    description: Production server
security:
  - ApiKeyAuth: []
paths:
  /payment/api/v1/accounts/register:
    post:
      tags:
        - Account Management
      summary: Register Destination Account
      description: Register a new destination account (bank account or card) for a user
      operationId: registerDestinationAccount
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DestinationAccountRegisterRequest'
      responses:
        '200':
          description: Destination account registered successfully
        '400':
          description: Invalid request
        '401':
          description: Unauthorized - API key is missing or invalid
      security:
        - ApiKeyAuth: []
components:
  schemas:
    DestinationAccountRegisterRequest:
      type: object
      required:
        - user_id
        - crypto
        - blockchain
        - destination_currency
        - recipient_details
        - bank_account_type
      properties:
        user_id:
          type: string
          format: uuid
          example: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
          description: The unique identifier of the user
        crypto:
          type: string
          example: USDC
          description: Stablecoin to be off-ramped from the user's wallet
        blockchain:
          type: string
          example: solana
          description: Blockchain network of the source funds
        destination_currency:
          type: string
          example: PHP
          description: Fiat currency for payout (ISO 4217)
        recipient_details:
          type: object
          required:
            - bank_name
            - payment_rail
            - account_holder_name
            - recipient_account_number
          properties:
            bank_name:
              type: string
              example: gcash
              description: Receiving bank or wallet provider name
            payment_rail:
              type: string
              example: INSTAPAY
              description: Payment rail to be used for payout
            account_holder_name:
              type: string
              example: Van Cruz
              description: Legal name of the account holder
            recipient_account_number:
              type: string
              example: '09171149891'
              description: Destination account number or wallet identifier
        bank_account_type:
          type: string
          enum:
            - INDIVIDUAL
            - BUSINESS
          example: INDIVIDUAL
          description: Account ownership type for compliance
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: API key for authentication. Must be included in the x-api-key header.

````