curl --request PATCH \
  --url https://api.grainledger.com/api/v1/bills/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "billNumber": "INV-1042",
  "billDate": "2026-06-15",
  "dueDate": "2026-07-15",
  "amount": 850
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    billNumber: 'INV-1042',
    billDate: '2026-06-15',
    dueDate: '2026-07-15',
    amount: 850
  })
};

fetch('https://api.grainledger.com/api/v1/bills/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.grainledger.com/api/v1/bills/{id}"

payload = {
    "billNumber": "INV-1042",
    "billDate": "2026-06-15",
    "dueDate": "2026-07-15",
    "amount": 850
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "id": "<string>",
  "billNumber": "<string>",
  "billDate": "2023-11-07T05:31:56Z",
  "dueDate": "2023-11-07T05:31:56Z",
  "amount": 123,
  "postingMode": "STANDARD",
  "paidAmount": 123,
  "creditedAmount": 123,
  "remainingAmount": 123,
  "status": "<string>",
  "vendorId": "<string>",
  "fundId": "<string>"
}

{
  "code": "forbidden",
  "message": "You do not have access to this organization.",
  "error": "You do not have access to this organization."
}

{
  "code": "forbidden",
  "message": "You do not have access to this organization.",
  "error": "You do not have access to this organization."
}

{
  "code": "forbidden",
  "message": "You do not have access to this organization.",
  "error": "You do not have access to this organization."
}

{
  "code": "forbidden",
  "message": "You do not have access to this organization.",
  "error": "You do not have access to this organization."
}

{
  "code": "forbidden",
  "message": "You do not have access to this organization.",
  "error": "You do not have access to this organization."
}

{
  "code": "forbidden",
  "message": "You do not have access to this organization.",
  "error": "You do not have access to this organization."
}

{
  "code": "forbidden",
  "message": "You do not have access to this organization.",
  "error": "You do not have access to this organization."
}

{
  "code": "forbidden",
  "message": "You do not have access to this organization.",
  "error": "You do not have access to this organization."
}