curl --request GET \
  --url https://api.renaiss.xyz/v2/gacha/buyback/offers \
  --header 'x-builder-api-key: <api-key>'

const options = {method: 'GET', headers: {'x-builder-api-key': '<api-key>'}};

fetch('https://api.renaiss.xyz/v2/gacha/buyback/offers', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.renaiss.xyz/v2/gacha/buyback/offers"

headers = {"x-builder-api-key": "<api-key>"}

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

print(response.text)

{
  "offers": [
    {
      "cardPackId": "<string>",
      "settlementId": "<string>",
      "tokenId": "<string>",
      "vendingMachineAddress": "<string>",
      "buybackTiers": [
        {
          "buybackPercentage": 123,
          "amountInUsdt": "<string>",
          "expiresAt": "<string>"
        }
      ]
    }
  ]
}

{
  "code": "WRONG_REQUEST_PARAMS",
  "message": "Bad request - invalid parameters"
}

{
  "error": "Required authentication credential is missing",
  "code": "API_AUTH_MISSING_CREDENTIAL"
}

{
  "error": "Credential is not allowed by this policy",
  "code": "API_AUTH_CREDENTIAL_NOT_ALLOWED"
}

{
  "error": "Authentication rate limit exceeded",
  "code": "API_AUTH_RATE_LIMITED"
}

{
  "error": "Internal server error",
  "code": "FUNCTION_ERROR"
}