curl --request PATCH \
  --url https://api.entendre.finance/v1/cash-applications/{application_id} \
  --header 'Content-Type: application/json' \
  --header 'If-Match: <if-match>' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "allocations": [
    {
      "target_type": "invoice",
      "target_id": "inv_507f1f77bcf86cd799439011",
      "amount": "100.00"
    }
  ]
}
'

const options = {
  method: 'PATCH',
  headers: {
    'If-Match': '<if-match>',
    'X-API-Key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    allocations: [
      {
        target_type: 'invoice',
        target_id: 'inv_507f1f77bcf86cd799439011',
        amount: '100.00'
      }
    ]
  })
};

fetch('https://api.entendre.finance/v1/cash-applications/{application_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.entendre.finance/v1/cash-applications/{application_id}"

payload = { "allocations": [
        {
            "target_type": "invoice",
            "target_id": "inv_507f1f77bcf86cd799439011",
            "amount": "100.00"
        }
    ] }
headers = {
    "If-Match": "<if-match>",
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "data": {
    "id": "ca_507f1f77bcf86cd799439011",
    "organization_id": "org_507f1f77bcf86cd799439011",
    "legal_entity_id": "le_507f1f77bcf86cd799439011",
    "deposit_transaction_id": "txn_507f1f77bcf86cd799439011",
    "status": "applied",
    "stripe_status": "pending",
    "match_type": "exact",
    "total_amount": "100.00",
    "applied_amount": "100.00",
    "unapplied_amount": "0.00",
    "deposit_memo": null,
    "txn_date": null,
    "allocations": [
      {
        "target_type": "invoice",
        "target_id": "inv_507f1f77bcf86cd799439011",
        "invoice_number": "INV-100",
        "amount": "100.00",
        "customer_name": "Example Customer"
      }
    ],
    "applied_by": null,
    "journal_entry_id": "je_507f1f77bcf86cd799439011",
    "stripe_marked_paid_at": null,
    "confirmed_by": null,
    "confirmed_at": null,
    "created_at": null,
    "updated_at": null,
    "error_message": null,
    "etag": "\"v_example\""
  }
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid path, query or request body.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Authentication is required.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "FORBIDDEN",
    "message": "Insufficient access to organization",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "RESOURCE_NOT_FOUND",
    "message": "Resource not found",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "CONFLICT",
    "message": "The resource state does not allow this operation.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "PRECONDITION_FAILED",
    "message": "The resource changed. Read it again before you update it.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "RATE_LIMITED",
    "message": "Rate limit exceeded. Retry after 30s.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "Internal server error",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "SERVICE_UNAVAILABLE",
    "message": "Service unavailable.",
    "request_id": "req_example"
  }
}