List Opportunities

{
  "page": 1,
  "page_size": 25,
  "sort": "-created_at"
}

{
  "data": [
    {
      "id": "opp_abc123",
      "account_id": "acc_def456",
      "name": "Acme Corp - Enterprise License",
      "owner": {
        "id": "usr_abc123",
        "first_name": "Jane",
        "last_name": "Smith"
      },
      "stage": "negotiation",
      "estimated_value": {
        "currency_code": "USD",
        "amount": 50000,
        "amount_precise": 50000.25
      },
      "estimated_close_date": "2025-09-30",
      "actual_close_date": "2025-10-15",
      "summary": "Enterprise deal with strong champion. Procurement review in progress.",
      "risks": [
        "Budget constraints",
        "Competing vendor evaluation"
      ],
      "notes": "Follow up after Q3 board meeting",
      "tags": [
        "High Priority"
      ],
      "contact_ids": [
        "550e8400-e29b-41d4-a716-446655440000"
      ],
      "last_activity_at": "2025-08-20T14:30:00Z",
      "updated_at": "2025-08-21T14:30:00Z",
      "created_at": "2025-06-01T09:00:00Z"
    }
  ],
  "pagination": {
    "page": 1,
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    "total_count": 142,
    "total_pages": 6
  }
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