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

# Quote a withdrawal to an external crypto wallet

> Estimates network fees and net amount for sending leftover card/spend-account funds to an on-chain address. Does not move funds. Minimum $0.50. Default chain/currency is BASE/USDC.



## OpenAPI

````yaml /openapi.json post /v1/cards/{id}/withdraw-to-wallet/quote
openapi: 3.1.0
info:
  title: Apocor Core API
  version: 1.0.0
  description: >-
    The Apocor Cards API is the integration surface for issuing and managing
    cards. Authenticate with your Apocor API key, onboard applicants, run KYC,
    and issue virtual or physical cards — all through one white-labeled API.
  contact:
    name: Apocor Support
    url: https://apocor.ai
servers:
  - url: https://sandbox.apocor.ai
    description: Sandbox (live)
  - url: https://api.apocor.ai
    description: Production
  - url: http://localhost:4000
    description: Local development
security:
  - bearerAuth: []
tags:
  - name: Authentication
    description: Exchange Apocor API keys for a short-lived access token.
  - name: Applicants
    description: End-users and businesses, plus their identity verification (KYC).
  - name: KYC
    description: >-
      Identity verification settings, hosted sessions, BYOK share tokens, direct
      document upload, and issuer readiness.
    x-group: Identity verification (KYC)
  - name: Accounts
    description: Funding accounts that back issued cards.
  - name: Programs
    description: Card programs that define product type, currency, and BIN.
  - name: Cardholders
    description: Approved applicants turned into cardholders.
  - name: Cards
    description: Issue and manage virtual and physical cards.
  - name: Transactions
    description: Card transaction history from the issuer or local ledger.
  - name: Widget SDK
    description: >-
      Public Apocor-branded proxy for Method 1 Widget.js (no auth). PAN/CVV
      still render in issuer PCI iframes.
  - name: Card funding
    description: >-
      Fund prepaid cards with stablecoins: Apocor wallet service or
      bring-your-own (BYO) external wallet.
    x-group: Card funding
paths:
  /v1/cards/{id}/withdraw-to-wallet/quote:
    post:
      tags:
        - Card funding
        - Cards
      summary: Quote a withdrawal to an external crypto wallet
      description: >-
        Estimates network fees and net amount for sending leftover
        card/spend-account funds to an on-chain address. Does not move funds.
        Minimum $0.50. Default chain/currency is BASE/USDC.
      operationId: quoteCardsByIdWithdrawToWallet
      parameters:
        - $ref: '#/components/parameters/IdPath'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - address
                - amount
              properties:
                address:
                  type: string
                  description: 'Destination wallet (native Base USDC: 0x + 40 hex).'
                  example: '0x1234567890abcdef1234567890abcdef12345678'
                amount:
                  type: string
                  description: USD amount to unload and send (string decimal).
                  example: '25.00'
                chain:
                  type: string
                  example: BASE
                currency:
                  type: string
                  enum:
                    - USDC
                    - USDT
                  example: USDC
                program_id:
                  type: string
                  description: >-
                    Optional. Uses that program's preferred chain/currency when
                    chain or currency is omitted.
            example:
              address: '0x1234567890abcdef1234567890abcdef12345678'
              chain: BASE
              currency: USDC
              amount: '25.00'
      responses:
        '200':
          description: Fee quote.
          content:
            application/json:
              example:
                data:
                  card_id: card_abc123
                  applicant_id: app_abc123
                  chain: BASE
                  currency: USDC
                  address: '0x1234567890abcdef1234567890abcdef12345678'
                  requested: '25.00'
                  fees:
                    - amount: '0.08'
                      currency: USDC
                  net: '24.92'
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  parameters:
    IdPath:
      name: id
      in: path
      required: true
      schema:
        type: string
      description: Resource identifier.
  responses:
    BadRequest:
      description: The request was invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error:
              code: INVALID_REQUEST
              message: Applicant must be approved
    NotFound:
      description: Resource not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error:
              code: NOT_FOUND
              message: Not found
  schemas:
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              description: Stable, machine-readable error code.
            message:
              type: string
              description: Human-readable explanation.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        Bearer access token obtained from `POST /v1/oauth/token` using your
        Apocor API key.

````