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

# List customers

> Returns the first page of customers with defaults (pageSize 30, pageNumber 0, no
filters). Use the POST variant for pagination and date filtering.



## OpenAPI

````yaml /openapi.json get /ramp/customers
openapi: 3.1.0
info:
  title: Etherfuse FX API
  description: Partner-facing ramp API for onramps, offramps, swaps, and KYC.
  license:
    name: Proprietary
  version: 1.0.0
servers:
  - url: https://api.sand.etherfuse.com
    description: Sandbox
security:
  - ApiKeyAuth: []
tags:
  - name: Authentication
    description: >-
      Partner JWT authentication — exchange a JWT for an access token, or launch
      a user into the app.
  - name: Lookup
    description: >-
      Public reference data: exchange rates, stablebonds, bond costs, country
      codes.
  - name: Assets
    description: Rampable stablecoins and stablebonds available per blockchain.
  - name: Onboarding
    description: Hosted and programmatic customer onboarding.
  - name: Agreements
    description: Legal agreement acceptance during onboarding.
  - name: Bank Accounts
    description: Register and retrieve customer bank accounts.
  - name: Quotes
    description: Price quotes for onramps, offramps, and swaps.
  - name: Orders
    description: Create, track, and manage ramp orders.
  - name: Swaps
    description: Crypto-to-crypto swaps.
  - name: Sponsored
    description: Token approvals for sponsored (gasless) offramps.
  - name: Customers
    description: Customer (child-organization) records.
  - name: Wallets
    description: Register and manage customer wallets.
  - name: KYC
    description: Submit and check customer KYC status.
  - name: Webhooks
    description: Event notification subscriptions.
  - name: Organizations
    description: Organization identity, child orgs, and partner fees.
paths:
  /ramp/customers:
    get:
      tags:
        - Customers
      summary: List customers
      description: >-
        Returns the first page of customers with defaults (pageSize 30,
        pageNumber 0, no

        filters). Use the POST variant for pagination and date filtering.
      operationId: list_customers
      responses:
        '200':
          description: Paginated customers
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PagedCustomers'
components:
  schemas:
    PagedCustomers:
      type: object
      description: A page of customers.
      required:
        - items
        - totalItems
        - pageSize
        - pageNumber
        - totalPages
      properties:
        items:
          type: array
          items:
            $ref: '#/components/schemas/Customer'
          description: The items on this page.
        next:
          type:
            - string
            - 'null'
          description: URL to fetch the next page of results, if available.
        pageNumber:
          type: integer
          description: Zero-based index of this page.
          example: 0
          minimum: 0
        pageSize:
          type: integer
          description: Number of items per page.
          example: 30
          minimum: 0
        totalItems:
          type: integer
          description: Total number of items across all pages.
          example: 42
          minimum: 0
        totalPages:
          type: integer
          description: Total number of pages.
          example: 2
          minimum: 0
    Customer:
      type: object
      required:
        - customerId
        - createdAt
        - updatedAt
      properties:
        createdAt:
          type: string
          format: date-time
          description: Timestamp when the customer was created.
        customerId:
          type: string
          format: uuid
          description: Unique identifier for the customer.
        displayName:
          type:
            - string
            - 'null'
          description: Display name of the customer.
        updatedAt:
          type: string
          format: date-time
          description: Timestamp when the customer was last updated.
      example:
        createdAt: '2026-05-01T14:30:00Z'
        customerId: a1b2c3d4-e5f6-7890-abcd-ef1234567890
        displayName: Ana García
        updatedAt: '2026-05-02T09:15:00Z'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: API key sent in the Authorization header.

````