Runloop

Runloop Executions Streaming API

Stream stdout and stderr updates from in-flight Devbox executions in real time. Use alongside the Devbox execute endpoints for long-running command output capture.

Runloop Executions Streaming API is one of 13 APIs that Runloop publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include AI, AI Agents, Executions, and Streaming. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

Documentation GitHub OpenAPI

Documentation

📖

Documentation

https://docs.runloop.ai/docs/devboxes/execution-logs

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/runloop-ai/refs/heads/main/openapi/runloop-executions-api-openapi.yml

OpenAPI Specification

openapi: 3.0.3
info:
  title: Runloop Executions API
  version: '0.1'
  description: Stream stdout and stderr updates from in-flight Devbox executions in real time. Use alongside the Devbox execute
    endpoints for long-running command output capture.
  contact:
    name: Runloop AI Support
    url: https://runloop.ai
    email: [email protected]
servers:
- url: https://api.runloop.ai
  description: Runloop API
  variables: {}
tags:
- name: executions
paths:
  /v1/devboxes/{devbox_id}/executions/{execution_id}/stream_stderr_updates:
    get:
      tags:
      - executions
      - streaming
      summary: Tails the stderr logs for the given execution with SSE streaming
      description: Tails the stderr logs for the given execution with SSE streaming
      operationId: streamStdErrUpdates
      parameters:
      - name: devbox_id
        in: path
        description: The ID of the devbox.
        required: true
        deprecated: false
        allowEmptyValue: false
        schema:
          type: string
      - name: execution_id
        in: path
        description: The ID of the execution.
        required: true
        deprecated: false
        allowEmptyValue: false
        schema:
          type: string
      - name: offset
        in: query
        description: The byte offset to start the stream from (if unspecified, starts from the beginning of the stream)
        required: false
        deprecated: false
        allowEmptyValue: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ExecUpdateChunkView'
          headers:
            Content-Type:
              description: text/event-stream
              schema:
                type: string
      deprecated: false
  /v1/devboxes/{devbox_id}/executions/{execution_id}/stream_stdout_updates:
    get:
      tags:
      - executions
      - streaming
      summary: Tails the stdout logs for the given execution with SSE streaming
      description: Tails the stdout logs for the given execution with SSE streaming
      operationId: streamStdOutUpdates
      parameters:
      - name: devbox_id
        in: path
        description: The ID of the devbox.
        required: true
        deprecated: false
        allowEmptyValue: false
        schema:
          type: string
      - name: execution_id
        in: path
        description: The ID of the execution.
        required: true
        deprecated: false
        allowEmptyValue: false
        schema:
          type: string
      - name: offset
        in: query
        description: The byte offset to start the stream from (if unspecified, starts from the beginning of the stream)
        required: false
        deprecated: false
        allowEmptyValue: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ExecUpdateChunkView'
          headers:
            Content-Type:
              description: text/event-stream
              schema:
                type: string
      deprecated: false
components:
  schemas:
    ExecUpdateChunkView:
      type: object
      additionalProperties: false
      properties:
        offset:
          type: integer
          format: int64
          description: The byte offset of this chunk of log stream.
        output:
          type: string
          description: The latest log stream chunk.
      required:
      - output
  securitySchemes:
    bearerAuth:
      scheme: bearer
      type: http
security:
- bearerAuth: []