curl --request POST \
  --url https://{host}/extern/fe/intent/{intentId}/lock \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Publishable-Key: <api-key>' \
  --data '
{
  "signerAddress": "0x1234567890abcdef1234567890abcdef12345678"
}
'

const options = {
  method: 'POST',
  headers: {
    'X-Publishable-Key': '<api-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({signerAddress: '0x1234567890abcdef1234567890abcdef12345678'})
};

fetch('https://{host}/extern/fe/intent/{intentId}/lock', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{host}/extern/fe/intent/{intentId}/lock"

payload = { "signerAddress": "0x1234567890abcdef1234567890abcdef12345678" }
headers = {
    "X-Publishable-Key": "<api-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "status": "success",
  "data": {
    "intentId": "8e9f4d67-51ad-49aa-a502-2f569aaf7399",
    "type": "DEPOSIT",
    "status": "OPEN",
    "expiresAt": "2023-11-07T05:31:56Z",
    "createdAt": "2023-11-07T05:31:56Z",
    "externalRef": "<string>",
    "requestParams": {
      "chainId": 8453,
      "inputAssetAddress": "0x1234567890abcdef1234567890abcdef12345678",
      "eoa": "0x1234567890abcdef1234567890abcdef12345678",
      "amount": "<string>"
    },
    "quoteSummary": {
      "originChainId": 8453,
      "destinationChainId": 8453,
      "inputSymbol": "<string>",
      "inputAmount": "<string>",
      "inputAmountUsd": "<string>",
      "outputSymbol": "<string>",
      "outputAmount": "<string>",
      "outputAmountUsd": "<string>",
      "feesUsd": "<string>"
    },
    "lockedAt": "2023-11-07T05:31:56Z",
    "lockedBy": "0x1234567890abcdef1234567890abcdef12345678",
    "txHashes": [
      "<string>"
    ],
    "chainIds": [
      8453
    ],
    "settledAt": "2023-11-07T05:31:56Z",
    "errorMessage": "<string>",
    "payload": {
      "originChainId": 8453,
      "destinationChainId": 8453,
      "input": {
        "address": "0x1234567890abcdef1234567890abcdef12345678",
        "symbol": "<string>",
        "amount": "<string>",
        "amountFormatted": "<string>",
        "amountUsd": "<string>"
      },
      "output": {
        "address": "0x1234567890abcdef1234567890abcdef12345678",
        "symbol": "<string>",
        "amount": "<string>",
        "amountFormatted": "<string>",
        "amountUsd": "<string>"
      },
      "fees": {
        "gas": {
          "amountUsd": "<string>"
        },
        "relay": {
          "amountUsd": "<string>"
        },
        "totalUsd": "<string>"
      },
      "timeEstimate": 1,
      "steps": [
        {
          "kind": "approve",
          "description": "<string>",
          "to": "0x1234567890abcdef1234567890abcdef12345678",
          "data": "<string>",
          "value": "<string>",
          "chainId": 8453
        }
      ]
    }
  }
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}

{
  "status": "error",
  "code": "INTENT_WRONG_STATUS",
  "message": "Session must be in OPEN status for this action."
}