List envelopes

// GET https://api.signatureapi.com/v1/envelopes
// X-API-Key: key_test_...

{
  "links": {
    "next": "https://api.signatureapi.com/v1/envelopes/?cursor=seq_0thJdKRhN4&limit=20",
    "previous": "https://api.signatureapi.com/v1/envelopes/?cursor=seq_7yNl3c0t&limit=20"
  },
  "data": [
    {
      "id": "55072f0e-b919-4d69-89cd-e7e56af00530",
      "title": "Dummy Agreement",
      "label": "Dummy Agreement for Order Ref. 25005",
      "message": "Please review the agreement at your convenience and provide your electronic signature.",
      "status": "completed",
      "mode": "live",
      "routing": "sequential",
      "language": "en",
      "timezone": "UTC",
      "timestamp_format": "DD/MM/YYYY HH:mm:ss",
      "sender": {
        "name": "Jennifer Lee",
        "email": "jennifer@example.com",
        "organization": "Acme Enterprises"
      },
      "topics": [
        "sales",
        "project_blue"
      ],
      "metadata": {
        "customer_ref": "x9550501",
        "account_annual_revenue": "$4,500,000"
      },
      "documents": [
        {
          "id": "doc_3jBYlxa9gv0fGLzFAnfwxe",
          "envelope_id": "52872f0e-b919-4d69-89cd-e7e56af00548",
          "title": "Dummy Agreement",
          "page_count": 2,
          "url": "https://pub-e5051420e98a4fdfb3fd42a62fbf06fa.r2.dev/dummy.docx",
          "format": "docx",
          "data": {
            "date": "December 31st, 2025",
            "showAlert": true,
            "serviceProvider": {
              "name": "Jane Smith",
              "organization": "ACME Global, Inc."
            },
            "client": {
              "name": "Michael J. Miller",
              "organization": "Miller Industries"
            }
          },
          "places" : [
            {
              "key": "provider_signs_here",
              "type": "signature",
              "recipient_key": "service_provider"
            },
            {
              "key": "client_signs_here",
              "type": "signature",
              "recipient_key": "client"
            }
          ]
        }
      ],
      "recipients": [
        {
          "id": "re_26w2VVV5JVm4j459TY5BNM",
          "envelope_id": "52872f0e-b919-4d69-89cd-e7e56af00548",
          "type": "signer",
          "key": "provider",
          "name": "Emily Johnson",
          "email": "emily@example.com",
          "status": "completed",
          "ceremony_creation": "automatic",
          "delivery_type": "email",
          "completed_at": "2025-12-31T15:00:00.000Z",
          "status_updated_at": "2025-12-31T15:00:00.000Z"
        },
        {
          "id": "re_38UVwrWdCqX5kqeKFJUTtf",
          "envelope_id": "52872f0e-b919-4d69-89cd-e7e56af00548",
          "type": "signer",
          "key": "client",
          "name": "Michael Taylor",
          "email": "michael@example.com",
          "status": "completed",
          "ceremony_creation": "automatic",
          "delivery_type": "email",
          "completed_at": "2025-12-31T14:00:00.000Z",
          "status_updated_at": "2025-12-31T14:00:00.000Z"
        }
      ],
      "deliverable": {
        "id": "del_1T7If8GgrTOf7zBVPaJf2e",
        "envelope_id": "52872f0e-b919-4d69-89cd-e7e56af00548",
        "status": "generated",
        "type": "audit_log",
        "url": "https://s3.us-east-2.amazonaws.com/signatureapi-vault-dev/envelopes/52872f0e..."
      },
      "created_at": "2025-12-31T12:00:00.000Z",
      "completed_at": "2025-12-31T15:00:00.000Z"
    },
    {...},
    {...}
  ]
}