const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    idempotency_key: '<string>',
    parties: [
      {
        role: '<string>',
        wallet_address: '<string>',
        principal_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
        external_reference: '<string>',
        name: '<string>',
        chain_id: 123
      }
    ],
    legs: [
      {
        leg_type: '<string>',
        instrument_id: '<string>',
        quantity: 1,
        party_role: '<string>',
        chain_id: 123,
        token_standard: '<string>',
        recipient_party_role: '<string>',
        external_reference: '<string>'
      }
    ],
    timeout_at: '2023-11-07T05:31:56Z',
    template_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    template_slug: '<string>',
    external_reference: '<string>'
  })
};

fetch('https://api.keystoneos.xyz/v1/settlements', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.keystoneos.xyz/v1/settlements"

payload = {
    "idempotency_key": "<string>",
    "parties": [
        {
            "role": "<string>",
            "wallet_address": "<string>",
            "principal_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
            "external_reference": "<string>",
            "name": "<string>",
            "chain_id": 123
        }
    ],
    "legs": [
        {
            "leg_type": "<string>",
            "instrument_id": "<string>",
            "quantity": 1,
            "party_role": "<string>",
            "chain_id": 123,
            "token_standard": "<string>",
            "recipient_party_role": "<string>",
            "external_reference": "<string>"
        }
    ],
    "timeout_at": "2023-11-07T05:31:56Z",
    "template_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "template_slug": "<string>",
    "external_reference": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

curl --request POST \
  --url https://api.keystoneos.xyz/v1/settlements \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "idempotency_key": "<string>",
  "parties": [
    {
      "role": "<string>",
      "wallet_address": "<string>",
      "principal_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "external_reference": "<string>",
      "name": "<string>",
      "chain_id": 123
    }
  ],
  "legs": [
    {
      "leg_type": "<string>",
      "instrument_id": "<string>",
      "quantity": 1,
      "party_role": "<string>",
      "chain_id": 123,
      "token_standard": "<string>",
      "recipient_party_role": "<string>",
      "external_reference": "<string>"
    }
  ],
  "timeout_at": "2023-11-07T05:31:56Z",
  "template_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "template_slug": "<string>",
  "external_reference": "<string>"
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "idempotency_key": "<string>",
  "platform_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "environment_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "template_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "template_version": 123,
  "external_reference": "<string>",
  "settlement_type": "<string>",
  "parties": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "role": "<string>",
      "platform_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "environment_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "external_reference": "<string>",
      "name": "<string>",
      "wallet_address": "<string>",
      "chain_id": 123,
      "status": "<string>",
      "confirmed_at": "2023-11-07T05:31:56Z",
      "wallet_address_hint": "<string>",
      "counterparty_reference": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "legs": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "settlement_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "leg_type": "<string>",
      "instrument_id": "<string>",
      "chain_id": 123,
      "token_standard": "<string>",
      "quantity": "<string>",
      "direction": "<string>",
      "party_role": "<string>",
      "status": "<string>",
      "external_reference": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "recipient_party_role": "<string>",
      "deposit_secret": "<string>",
      "deposit_key": "<string>"
    }
  ],
  "state": "<string>",
  "timeout_at": "2023-11-07T05:31:56Z",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "trade_type": "<string>",
  "linked_settlement_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "coordinator": "<string>",
  "coordinator_chain": "<string>",
  "triggered_by": {},
  "audit_anchor_hash": "<string>",
  "repo_terms": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "settlement_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "tenor_days": 123,
    "rate_bps": 123,
    "haircut_bps": 123,
    "margin_band_lower": "<string>",
    "margin_band_upper": "<string>",
    "close_leg_settlement_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}