Source: https://docs.cumuluslabs.io/reference/runs.result
Content version: 40fad953

# runs.result

Read what a cloud task run produced: its output object, validated against the publication's output schema

## Request {#request}

`GET /api/v1/runs/{run_id}/result`

- MCP: `runs_result`
- SDK: `client.runs.result` (SDK path arguments use `path`; MCP uses `params`).
- Minimum API key role: **viewer**.
- Idempotency: **none**.

Use the request schema below. Read IDs from earlier operation results.

## Input schema {#input-schema}

```json
{
  "parameters": [
    {
      "name": "run_id",
      "in": "path",
      "required": true,
      "schema": {
        "type": "string",
        "format": "uuid"
      }
    }
  ],
  "requestBody": null
}
```

## Responses {#responses}

```json
{
  "200": {
    "description": "Read what a cloud task run produced: its output object, validated against the publication's output schema",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/RunsResultResponse200"
        }
      }
    }
  },
  "4XX": {
    "description": "Typed error (ApiError)",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/ApiError"
        }
      }
    }
  },
  "5XX": {
    "description": "Typed error (ApiError)",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/ApiError"
        }
      }
    }
  }
}
```

## Referenced schemas {#schemas}

```json
{
  "components": {
    "schemas": {
      "RunsResultResponse200": {
        "type": "object",
        "properties": {
          "run_id": {
            "type": "string",
            "format": "uuid"
          },
          "state": {
            "type": "string",
            "enum": [
              "pending",
              "ready",
              "none",
              "expired"
            ]
          },
          "result": {
            "type": "object",
            "additionalProperties": {},
            "nullable": true
          },
          "output_schema": {
            "type": "object",
            "additionalProperties": {},
            "nullable": true
          },
          "content": {
            "allOf": [
              {
                "$ref": "#/components/schemas/ContentRef"
              }
            ],
            "nullable": true
          },
          "purged": {
            "type": "boolean"
          }
        },
        "required": [
          "run_id",
          "state",
          "result",
          "output_schema",
          "content",
          "purged"
        ],
        "additionalProperties": false
      },
      "ContentRef": {
        "type": "object",
        "properties": {
          "artifact_id": {
            "type": "string",
            "format": "uuid"
          },
          "sha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "byte_size": {
            "type": "integer",
            "minimum": 0
          },
          "media_type": {
            "type": "string",
            "minLength": 1,
            "maxLength": 128
          },
          "expires_at": {
            "type": "string",
            "format": "date-time",
            "nullable": true
          }
        },
        "required": [
          "artifact_id",
          "sha256",
          "byte_size",
          "media_type",
          "expires_at"
        ],
        "additionalProperties": false
      },
      "ApiError": {
        "type": "object",
        "properties": {
          "error": {
            "type": "object",
            "properties": {
              "code": {
                "type": "string",
                "enum": [
                  "unauthenticated",
                  "forbidden",
                  "not_found",
                  "conflict",
                  "invalid_request",
                  "idempotency_conflict",
                  "policy_denied",
                  "capability_unavailable",
                  "provider_unavailable",
                  "knowledge_unavailable",
                  "publication_invalid",
                  "run_not_active",
                  "rate_limited",
                  "outcome_unknown",
                  "internal"
                ]
              },
              "message": {
                "type": "string"
              },
              "retryable": {
                "type": "boolean"
              },
              "outcome": {
                "type": "string",
                "enum": [
                  "none",
                  "unknown"
                ]
              },
              "details": {
                "type": "object",
                "additionalProperties": {}
              }
            },
            "required": [
              "code",
              "message",
              "retryable",
              "outcome"
            ],
            "additionalProperties": false
          }
        },
        "required": [
          "error"
        ],
        "additionalProperties": false
      }
    }
  }
}
```

## Errors and recovery {#errors}

See [API error handling](https://docs.cumuluslabs.io/api#errors) and [Troubleshooting](https://docs.cumuluslabs.io/troubleshooting).

## Related guides {#related-guides}

- [Using the API](https://docs.cumuluslabs.io/api)
- [Runs](https://docs.cumuluslabs.io/runs)
- [Troubleshooting](https://docs.cumuluslabs.io/troubleshooting)