const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    input_file_id: '<string>',
    endpoint: '<string>',
    completion_window: '<string>',
    metadata: {},
    session_id: '<string>',
    webhook: {url: '<string>', secret: '<string>', events: ['<string>']},
    debug: {
      enabled: true,
      return_upstream_request: true,
      return_upstream_response: true,
      trace: true
    },
    provider: {
      order: ['<string>'],
      only: ['<string>'],
      ignore: ['<string>'],
      include_alpha: true,
      allow_fallbacks: true,
      require_parameters: true,
      required_execution_region: '<string>',
      required_data_region: '<string>',
      require_zero_data_retention: true,
      zdr: true,
      enforce_distillable_text: true,
      quantizations: ['<string>'],
      sort: '<string>',
      max_price: {prompt: 123, completion: 123, image: 123, audio: 123, request: 123},
      preferred_min_throughput: 123,
      preferred_max_latency: 123
    }
  })
};

fetch('https://api.phaseo.app/v1/batches', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "id": "<string>",
  "object": "<string>",
  "endpoint": "<string>",
  "errors": {},
  "input_file_id": "<string>",
  "completion_window": "<string>",
  "status": "<string>",
  "output_file_id": "<string>",
  "error_file_id": "<string>",
  "created_at": 123,
  "in_progress_at": 123,
  "expires_at": 123,
  "finalizing_at": 123,
  "completed_at": 123,
  "failed_at": 123,
  "expired_at": 123,
  "cancelling_at": 123,
  "cancelled_at": 123,
  "request_counts": {
    "total": 123,
    "completed": 123,
    "failed": 123
  },
  "metadata": {},
  "request_id": "<string>",
  "provider": "<string>",
  "session_id": "<string>",
  "webhook": {
    "url": "<string>",
    "secret": "<string>",
    "events": [
      "<string>"
    ]
  },
  "pricing_lines": [
    {}
  ],
  "billing": {
    "billed": true,
    "charged": true,
    "reason": "<string>",
    "cost_nanos": 123,
    "cost_usd": 123,
    "finalized_at": "<string>",
    "pricing_breakdown": {}
  }
}