curl --request POST \
  --url https://api.entendre.finance/v1/firm/clients \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "name": "Acme Finance",
  "web_address": "acme-finance",
  "contact_name": "Alex Smith",
  "contact_email": "alex@example.com",
  "website": "https://example.com",
  "timezone": "America/New_York"
}
'

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    'X-API-Key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    name: 'Acme Finance',
    web_address: 'acme-finance',
    contact_name: 'Alex Smith',
    contact_email: 'alex@example.com',
    website: 'https://example.com',
    timezone: 'America/New_York'
  })
};

fetch('https://api.entendre.finance/v1/firm/clients', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.entendre.finance/v1/firm/clients"

payload = {
    "name": "Acme Finance",
    "web_address": "acme-finance",
    "contact_name": "Alex Smith",
    "contact_email": "alex@example.com",
    "website": "https://example.com",
    "timezone": "America/New_York"
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "data": {
    "id": "fcl_507f1f77bcf86cd799439011",
    "organization_id": "507f1f77bcf86cd799439012",
    "name": "Acme Finance",
    "web_address": "acme-finance",
    "timezone": "America/New_York",
    "contact_name": "Alex Smith",
    "contact_email": "alex@example.com",
    "website": "https://example.com",
    "logo_url": null,
    "status": "draft",
    "is_multi_entity": false,
    "pending_actions": [],
    "legal_entities_count": 1,
    "agents_count": 0,
    "integrations": [],
    "created_at": "2026-08-31T12:00:00Z",
    "updated_at": "2026-08-31T12:00:00Z"
  }
}

{
  "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": "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"
  }
}