# Klip js-sdk approve 오류

**URL:** <https://devforum.kaia.io/t/klip-js-sdk-approve/5278>\
**Category:** Klip (아카이브)\
**Tags:** smart-contract\
**Created:** [5월 22, 2022, 3:53오후 UTC](https://devforum.kaia.io/t/klip-js-sdk-approve/5278 "2022-05-22T15:53:59Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![kich\_55](https://yyz1.discourse-cdn.com/flex035/user_avatar/devforum.kaia.io/kich_55/32/2601_2.png) [@kich\_55](https://devforum.kaia.io/u/kich_55)\
**Post date:** [5월 22, 2022, 3:54오후 UTC](https://devforum.kaia.io/t/klip-js-sdk-approve/5278/1 "2022-05-22T15:54:00Z")

</div>

![image](https://canada1.discourse-cdn.com/flex035/uploads/klaytn/original/2X/b/b17fa4f2c464cfebbb2724f82915098a2ddfe616.jpeg)

klip-docs 의 js-sdk의 prepare.executeContract를 사용하고 있습니다. request url은 잘 생성되나 위와같이 잘못된 요청이라 표기되는데 무엇이 문제일까요… ?

```auto
// prepare.executeContract 부분

        const abi = JSON.stringify(ListApprove);
        const params = `["${REACT_APP_KLAYTN_MARKET_CONTRACT_ADDRESS}", "${tokenId}"]`;

        const tx = {
          bappName: 'test NFT',
          to: REACT_APP_KLAYTN_MARKET_CONTRACT_ADDRESS,
          value: caver.utils.toPeb('0', 'KLAY'),
          from: account,
          params,
          abi,
        };
        const { request_key } = await prepare.executeContract(tx);

```

```auto
{
// ListApprove ABI 

  "inputs": [
    { "internalType": "address", "name": "to", "type": "address" },
    { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
  ],
  "name": "approve",
  "outputs": [],
  "stateMutability": "nonpayable",
  "type": "function",
  "signature": "0x095ea7b3"
}

```

---

<div class="post-metadata">

**Author:** ![Jay](https://yyz1.discourse-cdn.com/flex035/user_avatar/devforum.kaia.io/jay/32/2655_2.png) [@Jay](https://devforum.kaia.io/u/Jay)\
**Post date:** [5월 30, 2022, 3:08오전 UTC](https://devforum.kaia.io/t/klip-js-sdk-approve/5278/2 "2022-05-30T03:08:02Z")

</div>

KAS, Klip, Kaikas 개발자 포럼이 Klaytn Forum이 아닌 별도의 포럼 페이지로 이동합니다.  
기존의 Klaytn Forum 이 아닌 새로운 페이지에 접속해 주시기 바랍니다.

- 포럼
  - KAS 새로운 포럼: [https://support.klaytnapi.com/hc/ko/community/topics](https://support.klaytnapi.com/hc/ko/community/topics)
  - Klip 새로운 포럼: [https://klipforum.zendesk.com/hc/ko](https://klipforum.zendesk.com/hc/ko)
  - Kaikas 새로운 포럼: [https://kaikasforum.zendesk.com/hc/ko](https://kaikasforum.zendesk.com/hc/ko)

- 헬프 센터
  - KAS 헬프 센터: [https://support.klaytnapi.com/hc/ko](https://support.klaytnapi.com/hc/ko)
  - Kaikas 헬프 센터: [https://kaikas.zendesk.com/hc/ko](https://kaikas.zendesk.com/hc/ko)

Klip 포럼 사용을 부탁드립니다 🙂