curl --request GET \
  --url https://api.letsdothis.com/v0/add-ons/{id} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.letsdothis.com/v0/add-ons/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.letsdothis.com/v0/add-ons/{id}"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "id": "5fcd4b7e-1a2c-4d89-8f31-6b72e09a45c3",
  "externalAddOnId": "city-marathon-tshirt",
  "eventIds": [],
  "eventOccurrenceIds": [
    "5876543210"
  ],
  "raceIds": [],
  "ticketSlugs": [
    "city-marathon-2026"
  ],
  "name": "City Marathon Technical T-shirt",
  "description": "Lightweight, moisture-wicking running T-shirt available for collection on race day.",
  "allocationType": "TO_PARTICIPANT",
  "category": "CLOTHING",
  "images": [
    {
      "uri": "https://images.letsdothis.com/addons/city-marathon-tshirt.jpg"
    }
  ],
  "variants": [
    {
      "id": "29bb39a4-3206-4f43-9a6a-79d83fc1c31e",
      "externalVariantId": "city-marathon-tshirt-navy-m",
      "name": "Navy / Medium",
      "properties": {
        "COLOR": "Navy",
        "SIZE": "M"
      },
      "price": {
        "value": 2500,
        "currencyCode": "USD"
      },
      "externalSku": "CITY-TSHIRT-NVY-M",
      "fulfilmentMethods": [
        "RACE_DAY"
      ]
    },
    {
      "id": "f4e8bc19-1d63-4ab7-b152-528a49d8a672",
      "externalVariantId": "city-marathon-tshirt-navy-l",
      "name": "Navy / Large",
      "properties": {
        "COLOR": "Navy",
        "SIZE": "L"
      },
      "price": {
        "value": 2500,
        "currencyCode": "USD"
      },
      "externalSku": "CITY-TSHIRT-NVY-L",
      "fulfilmentMethods": [
        "RACE_DAY"
      ]
    }
  ]
}

{
  "statusCode": 404,
  "error": "<string>",
  "message": "<string>"
}