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

# Retrieve a top-up

> Requires the `fleet:read` scope.



## OpenAPI

````yaml /api-reference/openapi.json get /wallet/fundings/{fundingId}
openapi: 3.1.0
info:
  title: ChargeExpress Fleet API
  version: v1
  description: >-
    Manage your fleet’s drivers, vehicles, limits, charging and wallet, and
    receive webhooks.


    Scopes: `fleet:read` (Read the fleet, drivers, vehicles, sessions, wallet,
    invoices and events); `drivers:write` (Create, update, suspend and remove
    drivers); `vehicles:write` (Create, update and retire vehicles);
    `limits:write` (Change fleet and driver charging limits); `wallet:write`
    (Fund the wallet, pay usage invoices and set the low-balance alert);
    `webhooks:write` (Manage webhook endpoints and redeliver events).
servers:
  - url: https://partners.chargeexpressltd.com/api/public/v1
    description: Production
  - url: https://stage.partners.chargeexpressltd.com/api/public/v1
    description: Stage
security:
  - apiKey: []
paths:
  /wallet/fundings/{fundingId}:
    get:
      tags:
        - Wallet
      summary: Retrieve a top-up
      description: Requires the `fleet:read` scope.
      operationId: retrieveTopUp
      parameters:
        - schema:
            type: string
          required: true
          name: fundingId
          in: path
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Funding'
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '403':
          description: The key lacks the scope this request needs
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '409':
          description: Conflict with the current state
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limited
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
        - apiKey: []
components:
  schemas:
    Funding:
      type: object
      properties:
        object:
          type: string
          enum:
            - funding
        id:
          type: string
        status:
          type: string
          enum:
            - pending
            - success
            - failed
            - expired
        amount:
          type: string
          description: GHS
          example: '125.50'
        currency:
          type: string
          enum:
            - GHS
        unit_price:
          type: string
          description: GHS per kWh
          example: '125.50'
        kwh:
          type: string
          description: kWh this amount buys
          example: '12.5000'
        credited_kwh:
          type:
            - string
            - 'null'
          description: kWh credited once paid
          example: '12.5000'
        debt_repaid:
          type:
            - string
            - 'null'
          description: GHS of credit repaid first
          example: '125.50'
        invoice_number:
          type:
            - string
            - 'null'
        checkout_url:
          type:
            - string
            - 'null'
          description: >-
            ExpressPay page where a person completes payment. Null in the
            sandbox.
        sandbox:
          type: boolean
          enum:
            - true
          description: Present on sandbox top-ups
        credited_at:
          type:
            - string
            - 'null'
          format: date-time
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time
      required:
        - object
        - id
        - status
        - amount
        - currency
        - unit_price
        - kwh
        - credited_kwh
        - debt_repaid
        - invoice_number
        - checkout_url
        - credited_at
        - created_at
        - updated_at
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            type:
              type: string
              enum:
                - authentication_error
                - permission_error
                - invalid_request_error
                - rate_limit_error
                - api_error
            code:
              type: string
            message:
              type: string
            param:
              type: string
            request_id:
              type: string
          required:
            - type
            - code
            - message
            - request_id
      required:
        - error
  securitySchemes:
    apiKey:
      type: http
      scheme: bearer
      description: >-
        Your fleet API key, e.g. `Authorization: Bearer cxk_live_…`. Create keys
        in the fleet portal under Developers.

````

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