curl --request POST \
  --url https://api.anchorage-staging.com/v2/subaccounts/transactions/allocations \
  --header 'Api-Access-Key: <api-key>' \
  --header 'Api-Signature: <api-signature>' \
  --header 'Api-Timestamp: <api-timestamp>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "allocations": [
    {
      "amount": "1000.00",
      "assetType": "USD",
      "subaccountId": "ec761b5e-fd2c-497a-a9a0-f8738ac97bdf"
    }
  ],
  "idempotentId": "12838927347"
}
'

import requests

url = "https://api.anchorage-staging.com/v2/subaccounts/transactions/allocations"

payload = {
    "allocations": [
        {
            "amount": "1000.00",
            "assetType": "USD",
            "subaccountId": "ec761b5e-fd2c-497a-a9a0-f8738ac97bdf"
        }
    ],
    "idempotentId": "12838927347"
}
headers = {
    "Api-Signature": "<api-signature>",
    "Api-Timestamp": "<api-timestamp>",
    "Api-Access-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Api-Signature': '<api-signature>',
    'Api-Timestamp': '<api-timestamp>',
    'Api-Access-Key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    allocations: [
      {
        amount: '1000.00',
        assetType: 'USD',
        subaccountId: 'ec761b5e-fd2c-497a-a9a0-f8738ac97bdf'
      }
    ],
    idempotentId: '12838927347'
  })
};

fetch('https://api.anchorage-staging.com/v2/subaccounts/transactions/allocations', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "idempotentId": "12838927347",
  "transactionIds": [
    "<string>"
  ]
}

{
  "message": "Missing required field 'amount'."
}

{
  "message": "Missing required field 'amount'."
}

{
  "message": "Missing required field 'amount'."
}

{
  "message": "Missing required field 'amount'."
}

{
  "message": "Missing required field 'amount'."
}