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

# Get a customer

> Retrieve a single customer by their ID, including metadata.



## OpenAPI

````yaml GET /v1/customers/{customerId}
openapi: 3.1.0
info:
  title: YuvexPay API
  description: >-
    The YuvexPay API allows you to accept payments, process withdrawals, manage
    products and customers programmatically. All API access is over HTTPS and
    uses JSON request/response bodies.
  version: 1.0.0
  contact:
    name: YuvexPay Support
    email: support@yuvexpay.com
    url: https://docs.yuvexpay.com
servers:
  - url: https://api.yuvexpay.com
    description: >-
      Same base URL serves both sandbox and production. Send a `ypk_test_*` key
      for sandbox or a `ypk_live_*` key for production.
security:
  - bearerAuth: []
tags:
  - name: Authentication
    description: Inspect the API key in use
  - name: Payments
    description: Create and manage payments
  - name: Withdrawals
    description: Create and manage withdrawals
  - name: Products
    description: Manage product catalog
  - name: Customers
    description: Manage customer records
  - name: Documents
    description: Generate receipts and statements
  - name: Balance
    description: Inspect the current account balance
paths:
  /v1/customers/{customerId}:
    get:
      tags:
        - Customers
      summary: Get a customer
      description: Retrieve a single customer by their ID, including metadata.
      operationId: getCustomer
      parameters:
        - name: customerId
          in: path
          required: true
          schema:
            type: string
          description: >-
            The customer's prefixed identifier (e.g., `cus_ab12cd34ef`). This is
            the merchant-facing slug, not the internal UUID.
      responses:
        '200':
          description: Customer found.
          content:
            application/json:
              schema:
                type: object
                properties:
                  customer:
                    $ref: '#/components/schemas/CustomerDetail'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    CustomerDetail:
      allOf:
        - $ref: '#/components/schemas/Customer'
        - type: object
          properties:
            metadata:
              type: object
              additionalProperties:
                type: string
            updatedAt:
              type: string
              format: date-time
    Customer:
      type: object
      properties:
        customerId:
          type: string
          description: >-
            Merchant-facing customer slug (e.g., `cus_ab12cd34ef`). Use this as
            the `{customerId}` path parameter in subsequent calls.
        name:
          type: string
        email:
          type: string
        document:
          type: string
        phone:
          type: string
        externalId:
          type: string
        isActive:
          type: boolean
        createdAt:
          type: string
          format: date-time
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              description: Machine-readable error code.
            message:
              type: string
              description: Human-readable error message.
            details:
              type: object
              description: Additional error context.
  responses:
    Unauthorized:
      description: Missing or invalid authentication token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error:
              code: INVALID_API_KEY
              message: Invalid or revoked API key
    NotFound:
      description: Resource not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error:
              code: NOT_FOUND
              message: Resource not found
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        YuvexPay API key. Include as `Authorization: Bearer
        ypk_<env>_<kid>_<secret>` where `<env>` is `test` (sandbox) or `live`
        (production). Create and manage keys in the dashboard under **Settings >
        API Keys**.

````