### 1 · ListTasks: first page
POST /a2a/jsonrpc HTTP/1.1
Host: localhost:41241
Content-Type: application/json
A2A-Version: 1.0

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "ListTasks",
  "params": {
    "pageSize": 2,
    "historyLength": 0
  }
}

HTTP/1.1 200 OK
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "tasks": [
      {
        "id": "f22ed7af-848d-4f4d-8cd1-3204d1e1bbaf",
        "contextId": "9b584e1f-b948-453f-9250-18314071afc7",
        "status": {
          "state": "TASK_STATE_CANCELED",
          "message": {
            "messageId": "9f730657-74a7-43df-b405-5a8270fe73a9",
            "contextId": "9b584e1f-b948-453f-9250-18314071afc7",
            "taskId": "f22ed7af-848d-4f4d-8cd1-3204d1e1bbaf",
            "role": "ROLE_AGENT",
            "parts": [
              {
                "text": "Canceled at the client's request."
              }
            ]
          },
          "timestamp": "2026-10-06T09:00:03.750Z"
        }
      },
      {
        "id": "8ae21dcb-7449-4d90-82a6-ac01b20fd782",
        "contextId": "b94d852b-2a8c-4a94-98ca-59286e63871e",
        "status": {
          "state": "TASK_STATE_FAILED",
          "message": {
            "messageId": "dfc0f22a-ebc5-4883-b3ce-4926752f0a2e",
            "contextId": "b94d852b-2a8c-4a94-98ca-59286e63871e",
            "taskId": "8ae21dcb-7449-4d90-82a6-ac01b20fd782",
            "role": "ROLE_AGENT",
            "parts": [
              {
                "text": "Commit deadbee does not exist in payments-api."
              }
            ]
          },
          "timestamp": "2026-10-06T09:00:03.000Z"
        }
      }
    ],
    "nextPageToken": "eyJ0cyI6IjIwMjYtMTAtMDZUMDk6MDA6MDMuMDAwWiIsImlkIjoiOGFlMjFkY2ItNzQ0OS00ZDkwLTgyYTYtYWMwMWIyMGZkNzgyIn0",
    "pageSize": 2,
    "totalSize": 5
  }
}

### 2 · ListTasks: next page
POST /a2a/jsonrpc HTTP/1.1
Host: localhost:41241
Content-Type: application/json
A2A-Version: 1.0

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "ListTasks",
  "params": {
    "pageSize": 2,
    "pageToken": "eyJ0cyI6IjIwMjYtMTAtMDZUMDk6MDA6MDMuMDAwWiIsImlkIjoiOGFlMjFkY2ItNzQ0OS00ZDkwLTgyYTYtYWMwMWIyMGZkNzgyIn0",
    "historyLength": 0
  }
}

HTTP/1.1 200 OK
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 2,
  "result": {
    "tasks": [
      {
        "id": "728ba084-97eb-422b-b94b-b0fe9153ce2c",
        "contextId": "c026046c-6890-4830-9618-8fffa35cb080",
        "status": {
          "state": "TASK_STATE_COMPLETED",
          "message": {
            "messageId": "eebf738b-ebf0-4246-b7cc-52fbeb0181c5",
            "contextId": "c026046c-6890-4830-9618-8fffa35cb080",
            "taskId": "728ba084-97eb-422b-b94b-b0fe9153ce2c",
            "role": "ROLE_AGENT",
            "parts": [
              {
                "text": "1 failed, 11 passed"
              }
            ]
          },
          "timestamp": "2026-10-06T09:00:02.250Z"
        }
      },
      {
        "id": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
        "contextId": "3afa8576-7a83-4167-bb58-01c3b0942c8f",
        "status": {
          "state": "TASK_STATE_COMPLETED",
          "message": {
            "messageId": "cea54ab9-aab6-406a-9398-a67a67c85207",
            "contextId": "3afa8576-7a83-4167-bb58-01c3b0942c8f",
            "taskId": "d0c28826-28b8-4b15-8b53-4e01ae7a5a3c",
            "role": "ROLE_AGENT",
            "parts": [
              {
                "text": "1 failed, 11 passed"
              }
            ]
          },
          "timestamp": "2026-10-06T09:00:01.500Z"
        }
      }
    ],
    "nextPageToken": "eyJ0cyI6IjIwMjYtMTAtMDZUMDk6MDA6MDEuNTAwWiIsImlkIjoiZDBjMjg4MjYtMjhiOC00YjE1LThiNTMtNGUwMWFlN2E1YTNjIn0",
    "pageSize": 2,
    "totalSize": 5
  }
}

### 3 · ListTasks: only canceled tasks
POST /a2a/jsonrpc HTTP/1.1
Host: localhost:41241
Content-Type: application/json
A2A-Version: 1.0

{
  "jsonrpc": "2.0",
  "id": 3,
  "method": "ListTasks",
  "params": {
    "status": "TASK_STATE_CANCELED"
  }
}

HTTP/1.1 200 OK
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 3,
  "result": {
    "tasks": [
      {
        "id": "f22ed7af-848d-4f4d-8cd1-3204d1e1bbaf",
        "contextId": "9b584e1f-b948-453f-9250-18314071afc7",
        "status": {
          "state": "TASK_STATE_CANCELED",
          "message": {
            "messageId": "9f730657-74a7-43df-b405-5a8270fe73a9",
            "contextId": "9b584e1f-b948-453f-9250-18314071afc7",
            "taskId": "f22ed7af-848d-4f4d-8cd1-3204d1e1bbaf",
            "role": "ROLE_AGENT",
            "parts": [
              {
                "text": "Canceled at the client's request."
              }
            ]
          },
          "timestamp": "2026-10-06T09:00:03.750Z"
        },
        "history": [
          {
            "messageId": "7b89296c-6dcb-4c50-8857-7eb1924770d3",
            "contextId": "9b584e1f-b948-453f-9250-18314071afc7",
            "taskId": "f22ed7af-848d-4f4d-8cd1-3204d1e1bbaf",
            "role": "ROLE_USER",
            "parts": [
              {
                "text": "Run the full suite for payments-api at commit 9f3c2e1"
              }
            ]
          },
          {
            "messageId": "4e4233ac-1dca-4ecc-8b5f-0a7afff7c0bf",
            "contextId": "9b584e1f-b948-453f-9250-18314071afc7",
            "taskId": "f22ed7af-848d-4f4d-8cd1-3204d1e1bbaf",
            "role": "ROLE_AGENT",
            "parts": [
              {
                "text": "Checking out 9f3c2e1 and starting the suite"
              }
            ]
          }
        ]
      }
    ],
    "nextPageToken": "",
    "pageSize": 50,
    "totalSize": 1
  }
}