GET /sessions/{session_id}/executions

Most notably system_prompt_append, the text Ellipsis appends to Claude Code's default system prompt (platform section + response instructions + the config's own instructions). Per execution because each cold wake persists its own launch config (a config edit or replay override between wakes changes it).

curl "https://api.ellipsis.dev/v1/sessions/{session_id}/executions" \
  -H "Authorization: Bearer $ELLIPSIS_API_KEY"

{
  "executions": [
    {
      "attempt_index": 0,
      "created_at": "2026-01-01T00:00:00Z",
      "execution_index": 0,
      "exit_status": "string",
      "id": "string",
      "model": "string",
      "query": "string",
      "resumed": false,
      "session_id": "string",
      "status": "running",
      "system_prompt_append": "string",
      "wake_index": 0
    }
  ]
}

import os

from ellipsis import Ellipsis

client = Ellipsis(api_key=os.environ["ELLIPSIS_API_TOKEN"])

result = client.sessions.executions("...")
print(result)

{
  "executions": [
    {
      "attempt_index": 0,
      "created_at": "2026-01-01T00:00:00Z",
      "execution_index": 0,
      "exit_status": "string",
      "id": "string",
      "model": "string",
      "query": "string",
      "resumed": false,
      "session_id": "string",
      "status": "running",
      "system_prompt_append": "string",
      "wake_index": 0
    }
  ]
}

import { Ellipsis } from '@ellipsis-dev/sdk';

const client = new Ellipsis({
  apiKey: process.env.ELLIPSIS_API_TOKEN!,
});

const result = await client.sessions.executions('...');
console.log(result);

{
  "executions": [
    {
      "attempt_index": 0,
      "created_at": "2026-01-01T00:00:00Z",
      "execution_index": 0,
      "exit_status": "string",
      "id": "string",
      "model": "string",
      "query": "string",
      "resumed": false,
      "session_id": "string",
      "status": "running",
      "system_prompt_append": "string",
      "wake_index": 0
    }
  ]
}

No request body.

{
  "properties": {
    "executions": {
      "items": {
        "properties": {
          "attempt_index": {
            "type": "integer"
          },
          "created_at": {
            "format": "date-time",
            "type": "string"
          },
          "execution_index": {
            "type": "integer"
          },
          "exit_status": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ]
          },
          "id": {
            "type": "string"
          },
          "model": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ]
          },
          "query": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ]
          },
          "resumed": {
            "type": "boolean"
          },
          "session_id": {
            "type": "string"
          },
          "status": {
            "enum": [
              "running",
              "failed",
              "done"
            ],
            "type": "string"
          },
          "system_prompt_append": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ]
          },
          "wake_index": {
            "type": "integer"
          }
        },
        "required": [
          "id",
          "session_id",
          "created_at",
          "execution_index",
          "wake_index",
          "attempt_index",
          "resumed",
          "status"
        ],
        "type": "object"
      },
      "type": "array"
    }
  },
  "required": [
    "executions"
  ],
  "type": "object"
}

GET /sessions/{session_id}/executions

Request

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