curl --request GET \
  --url https://api.entendre.finance/v1/accounting-periods \
  --header 'X-API-Key: <api-key>'

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

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

import requests

url = "https://api.entendre.finance/v1/accounting-periods"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "data": [
    {
      "id": "ap_123def",
      "organization_id": "org_abc123",
      "name": "September 2026",
      "start_date": "2026-08-31T12:00:00Z",
      "end_date": "2026-08-31T12:00:00Z",
      "status": "open",
      "legal_entity_id": "le_507f1f77bcf86cd799439011",
      "closed_on_date": "2026-08-31T12:00:00Z",
      "closed_by": "usr_507f1f77bcf86cd799439011",
      "created_at": "2025-01-01T00:00:00.000Z",
      "updated_at": "2025-01-01T00:00:00.000Z"
    }
  ],
  "has_more": false,
  "next_cursor": null
}

{
  "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": "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"
  }
}