Search listings with a text term

curl --request GET \
  --url https://api.seminode.com/v1/listings/search \
  --header 'Authorization: <api-key>'

[
  {
    "content": {
      "attributes": {
        "coo": "<string>",
        "currency": "<string>",
        "custom_attributes": {},
        "eccn": "<string>",
        "lot_no": "<string>",
        "moq": 123,
        "mpq": 123,
        "reply_url": "<string>"
      },
      "company": "<string>",
      "contact": {
        "methods": [
          "<string>"
        ],
        "replyUrl": "<string>"
      },
      "encrypted": {
        "ciphertext": "<string>",
        "payload": {}
      },
      "errors": {},
      "image_url": "<string>",
      "internal_no": "<string>",
      "material_no": "<string>",
      "mfr": "<string>",
      "qty": 123,
      "timing": {
        "lead_time": 123,
        "required_date": 123
      },
      "type": "<string>",
      "unit_price": 123
    },
    "created_at": "<string>",
    "id": "<string>",
    "kind": 123,
    "public_key": "<string>",
    "recipient_public_key": "<string>",
    "reply_url": "<string>",
    "root_id": "<string>",
    "sig": "<string>",
    "tags": [
      [
        "<string>"
      ]
    ],
    "url": "<string>"
  }
]