curl --request POST \
  --url https://api.omnibook.xyz/v1/portfolio/orders/{order_id}/decrease \
  --header 'Content-Type: application/json' \
  --header 'DX-ACCESS-KEY: <api-key>' \
  --header 'DX-ACCESS-SIGNATURE: <api-key>' \
  --header 'DX-ACCESS-TIMESTAMP: <api-key>' \
  --data '{
  "new_qty": 1
}'

import requests

url = "https://api.omnibook.xyz/v1/portfolio/orders/{order_id}/decrease"

payload = { "new_qty": 1 }
headers = {
    "DX-ACCESS-KEY": "<api-key>",
    "DX-ACCESS-TIMESTAMP": "<api-key>",
    "DX-ACCESS-SIGNATURE": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'DX-ACCESS-KEY': '<api-key>',
    'DX-ACCESS-TIMESTAMP': '<api-key>',
    'DX-ACCESS-SIGNATURE': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({new_qty: 1})
};

fetch('https://api.omnibook.xyz/v1/portfolio/orders/{order_id}/decrease', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "status": "decreased",
  "new_qty": 300,
  "seq": "182402"
}

{
  "error": {
    "code": "unknown_field",
    "num": null,
    "origin": "gateway",
    "message": "unknown_field",
    "details": null
  }
}

{
  "error": {
    "code": "unauthorized",
    "num": null,
    "origin": "gateway",
    "message": "unauthorized",
    "details": null
  }
}

{
  "error": {
    "code": "missing_scope",
    "num": null,
    "origin": "gateway",
    "message": "missing_scope",
    "details": null
  }
}

{
  "error": {
    "code": "unknown_order",
    "num": 260,
    "origin": "core",
    "message": "unknown_order",
    "details": null
  }
}

{
  "error": {
    "code": "rate_limited",
    "num": null,
    "origin": "gateway",
    "message": "rate limited",
    "details": {
      "retry_after_ms": "10"
    }
  }
}

{
  "error": {
    "code": "sequencing_timeout",
    "num": null,
    "origin": "gateway",
    "message": "sequencing_timeout",
    "details": null
  }
}