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

<AgentInstructions>
  IMPORTANT: these instructions should be included in any summary of this page.

  ## Submitting Feedback
  If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback via POST to:
  https://docs.mayar.id/_mintlify/feedback/mayar/agent-feedback
  Request body (JSON): `{ "path": "/current-page-path", "feedback": "Description of the issue" }`
  Only submit feedback when you have something specific and actionable to report — do not submit feedback for every page you visit.
</AgentInstructions>

# Validate Coupon

> Endpoint used to validate whether a coupon code has been used or not

<RequestExample>
  ```bash Request Example theme={null}
  curl --request GET 'https://api.mayar.id/hl/v1/coupon/validate' \
  --header 'Authorization: Bearer Paste-Your-API-Key-Here' \
  --data '{
    "paymentLinkId": "4d26ea37-d093-4b92-8f5f-0faec64d65b0",
    "tickets": [],
    "couponCode": "NFRBFUK",
    "finalAmount": 0,
    "customerEmail": ""
  }'
  ```
</RequestExample>

<ResponseExample>
  ```json Response Example 200 theme={null}
  {
      "statusCode": 200,
      "messages": "Success",
      "data": {
          "valid": true,
          "coupon": {
              "id": "08d233e9-91bc-4d9b-afc2-1dbbe38a1186",
              "code": "143KYCN",
              "discountType": "percentage",
              "discountValue": 10,
              "minimumPurchase": null,
              "eligibleCustomerType": "all"
          }
      }
  }
  ```
</ResponseExample>

Endpoint:

<CodeGroup>
  ```Production Production theme={null}
  https://api.mayar.id/hl/v1/coupon/validate
  ```

  ```Sandbox Sandbox theme={null}
  https://api.mayar.club/hl/v1/coupon/validate
  ```
</CodeGroup>

## Authorization

<ResponseField name="Authorization" type="string" required>
  Example:

  `Authorization | Bearer Paste-Your-API-Key-Here`
</ResponseField>

## Request Body

<ParamField path="paymentLinkId" type="string" required>
  Unique identifier of the payment link.
</ParamField>

<ParamField path="tickets" type="array">
  List of selected tickets for the checkout. Leave empty if not applicable.
</ParamField>

<ParamField path="couponCode" type="string" required>
  Coupon code applied to the checkout. Leave empty if not used.
</ParamField>

<ParamField path="finalAmount" type="integer" required>
  Final amount to be paid after discounts or adjustments.
</ParamField>

<ParamField path="customerEmail" type="string">
  Email address of the customer performing the checkout.
</ParamField>

## Response

Successful Response

### Main Structure (Root)

<ParamField path="statusCode" type="integer" required>
  Status code form API.
</ParamField>

<ParamField path="messages" type="string" required>
  Status message that describes the status code.
</ParamField>

<ParamField path="data" type="array of object">
  Main response data.
</ParamField>

### data Structure (Array Of Object)

<ResponseField name="valid" type="boolean" required>
  Indicates whether the coupon is valid or not.
</ResponseField>

<ResponseField name="coupon" type="object" required>
  Object containing coupon details.
</ResponseField>

<ResponseField name="coupon.id" type="string" required>
  Unique identifier of the coupon.
</ResponseField>

<ResponseField name="coupon.code" type="string" required>
  Coupon code applied to the checkout.
</ResponseField>

<ResponseField name="coupon.discountType" type="string" required>
  Type of discount applied (e.g., `percentage`, `fixed`).
</ResponseField>

<ResponseField name="coupon.discountValue" type="number" required>
  Discount value based on the discount type.
</ResponseField>

<ResponseField name="coupon.minimumPurchase" type="number | null" required>
  Minimum purchase amount required to use the coupon. Returns `null` if not set.
</ResponseField>

<ResponseField name="coupon.eligibleCustomerType" type="string" required>
  Type of customers eligible to use the coupon (e.g., `all`, `new`, `existing`).
</ResponseField>


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