curl --request POST \
  --url https://api.renaiss.xyz/v2/gacha/pull/prepare \
  --header 'Content-Type: application/json' \
  --header 'x-builder-api-key: <api-key>' \
  --data '
{
  "buyerWalletAddress": "<string>",
  "packId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

const options = {
  method: 'POST',
  headers: {'x-builder-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({buyerWalletAddress: '<string>', packId: '3c90c3cc-0d44-4b50-8888-8dd25736052a'})
};

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

import requests

url = "https://api.renaiss.xyz/v2/gacha/pull/prepare"

payload = {
    "buyerWalletAddress": "<string>",
    "packId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
headers = {
    "x-builder-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "chainId": 123,
  "buyerWalletAddress": "<string>",
  "pack": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "onChainPackId": "<string>",
    "priceInUsdt": "<string>",
    "vendingMachineAddress": "<string>"
  },
  "permit2TypedData": {
    "domain": {
      "name": "Permit2",
      "chainId": 123,
      "verifyingContract": "<string>"
    },
    "types": {},
    "primaryType": "PermitWitnessTransferFrom",
    "message": {
      "permitted": {
        "token": "<string>",
        "amount": "<string>"
      },
      "spender": "<string>",
      "nonce": "<string>",
      "deadline": "<string>",
      "witness": {
        "packId": "<string>",
        "builder": "<string>",
        "numOfTokens": "<string>"
      }
    }
  },
  "unsignedPullPayload": {
    "packId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "builderCode": "<string>",
    "numOfTokens": 5,
    "amountPerToken": "<string>",
    "nonce": "<string>",
    "deadline": 123
  },
  "approval": {
    "token": "<string>",
    "spender": "<string>",
    "requiredAmount": "<string>"
  }
}

Malformed JSON in request body

{
  "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": "VRF card pack not found",
  "code": "CARD_PACK_NOT_FOUND"
}

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

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