Create batch

curl --request POST \
  --url https://api.anyapi.ai/v1/batches \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "input_file_id": "file-abc123",
  "endpoint": "/v1/chat/completions",
  "completion_window": "24h"
}'

{
  "id": "<string>",
  "object": "batch",
  "endpoint": "<string>",
  "input_file_id": "<string>",
  "completion_window": "<string>",
  "status": "validating",
  "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": {}
}