curl --request PUT \
  --url https://api.tangoanalytics.com/v1/projectmgmt/batch/invoicepayments \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-client: <api-key>' \
  --data '
{
  "records": [
    {
      "inv_number": "INV-1234",
      "inv_id": "78968",
      "payment_number": "PAY-2344",
      "invoice_amount": 3000.34,
      "status": "PAID",
      "payment_method": "CHECK",
      "payment_reference": "23456775443",
      "payment_date": "03/14/2021",
      "payment_amount": 3000.34,
      "comments": "good"
    }
  ]
}
'

const options = {
  method: 'PUT',
  headers: {
    'x-client': '<api-key>',
    'x-api-key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    records: [
      {
        inv_number: 'INV-1234',
        inv_id: '78968',
        payment_number: 'PAY-2344',
        invoice_amount: 3000.34,
        status: 'PAID',
        payment_method: 'CHECK',
        payment_reference: '23456775443',
        payment_date: '03/14/2021',
        payment_amount: 3000.34,
        comments: 'good'
      }
    ]
  })
};

fetch('https://api.tangoanalytics.com/v1/projectmgmt/batch/invoicepayments', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.tangoanalytics.com/v1/projectmgmt/batch/invoicepayments"

payload = { "records": [
        {
            "inv_number": "INV-1234",
            "inv_id": "78968",
            "payment_number": "PAY-2344",
            "invoice_amount": 3000.34,
            "status": "PAID",
            "payment_method": "CHECK",
            "payment_reference": "23456775443",
            "payment_date": "03/14/2021",
            "payment_amount": 3000.34,
            "comments": "good"
        }
    ] }
headers = {
    "x-client": "<api-key>",
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "status": "OK",
  "gu_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "status_message": "<string>"
}