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

# Create NGN rails user offramp

> Offramps cNGN from the user Smart Wallet to a Nigerian bank (`/cngnofframp`).
`amount` is in Naira. Requires `transfers:write` and `Idempotency-Key`.




## OpenAPI

````yaml /openapi.yaml post /rails/offramps
openapi: 3.1.0
info:
  title: Remitflex API
  version: 1.0.0
  description: >
    Programmatic access to Remitflex payment routes, fiat rates, customers, and
    transactions.


    **Dashboard:** Create API keys at https://dashboard.remitflex.io


    **Authentication:** Send your API key as `Authorization: Bearer
    rmf_live_...` or `rmf_test_...`.


    **Idempotency:** Mutating requests (`POST`, `PUT`, `PATCH`, `DELETE`)
    require an `Idempotency-Key` header when authenticated with an API key.
servers:
  - url: http://localhost:4000/v1
    description: Local development
  - url: https://api.remitflex.io/v1
    description: Production
security:
  - ApiKeyAuth: []
paths:
  /rails/offramps:
    post:
      tags:
        - NGN rails
      summary: Create NGN rails user offramp
      description: >
        Offramps cNGN from the user Smart Wallet to a Nigerian bank
        (`/cngnofframp`).

        `amount` is in Naira. Requires `transfers:write` and `Idempotency-Key`.
      operationId: createRailsOfframp
      parameters:
        - $ref: '#/components/parameters/IdempotencyKey'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - amount
                - accountNumber
                - bankCode
              properties:
                customerId:
                  type: string
                  format: uuid
                amount:
                  type: number
                  description: Amount in Naira
                accountNumber:
                  type: string
                bankCode:
                  type: string
                ticker:
                  type: string
                  enum:
                    - CNGN
                    - USDC
                    - USDT
                  default: CNGN
            example:
              amount: 5000
              accountNumber: '0123456789'
              bankCode: '058'
              ticker: CNGN
      responses:
        '201':
          description: Rails offramp created
      security:
        - ApiKeyAuth: []
components:
  parameters:
    IdempotencyKey:
      name: Idempotency-Key
      in: header
      required: true
      description: >-
        Unique key for safe retries on mutating API-key requests. Cached for 24
        hours per org, method, and path.
      schema:
        type: string
        maxLength: 255
        example: 7f3c2a1b-4e5d-6c7b-8a9f-0e1d2c3b4a5f
  securitySchemes:
    ApiKeyAuth:
      type: http
      scheme: bearer
      description: >
        API key created in the Remitflex Dashboard at dashboard.remitflex.io
        (`rmf_live_...` or `rmf_test_...`).

        Key management endpoints require a dashboard JWT and are not part of
        this reference.

````