Letta

Letta Sandboxes API

Manage code-execution sandboxes used by sandbox tools.

GitHub OpenAPI

Operations 3

POST /v1/sandboxes Create Sandbox #
GET /v1/sandboxes List Sandboxes #
POST /v1/sandboxes/{sandboxId}/terminate Terminate Sandbox #

Documentation

📖
Documentation
https://docs.letta.com/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/openapi/letta-sandboxes-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-agent-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-block-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-tool-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-source-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-run-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-group-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-identity-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-message-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-passage-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-archive-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-job-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-llm-config-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-embedding-config-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/json-schema/letta-provider-schema.json

Other Resources

🔗
Signup
https://app.letta.com/
🔗
Pricing
https://docs.letta.com/guides/api/plans
🔗
GitHub
https://github.com/letta-ai/letta
🔗
LlmsText
https://docs.letta.com/llms-full.txt
🔗
ChangeLog
https://www.letta.com/blog
🔗
OpenAPIYAML
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/openapi/_original/letta-openapi.yml
🔗
SpectralRuleset
https://raw.githubusercontent.com/api-evangelist/letta/refs/heads/main/rules/letta-rules.yml
🔗
License
https://github.com/letta-ai/letta/blob/main/LICENSE
🔗
Docker
https://github.com/letta-ai/letta/blob/main/Dockerfile
🔗
AgentFileFormat
https://github.com/letta-ai/agent-file

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OpenAPI Specification

letta-sandboxes-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Letta Admin Sandboxes API
  version: 1.0.0
  description: REST API for Letta, the stateful agents platform. Manage agents, memory blocks, archival passages, sources, custom tools, MCP servers, multi-agent groups, runs, and streaming responses. Available as Letta Cloud (managed) at https://api.letta.com/v1 and as the self-hosted open-source server (Apache-2.0) typically run at http://localhost:8283.
  contact:
    name: Letta
    url: https://www.letta.com/
    email: support@letta.com
  license:
    name: Apache-2.0
    url: https://github.com/letta-ai/letta/blob/main/LICENSE
  x-logo:
    url: https://www.letta.com/favicon.ico
servers:
- url: https://api.letta.com
  description: Letta Cloud (managed)
- url: https://app.letta.com
  description: Letta Cloud (app)
- url: http://localhost:8283
  description: Self-hosted Letta server
security:
- bearerAuth: []
tags:
- name: Sandboxes
  description: Manage code-execution sandboxes used by sandbox tools.
paths:
  /v1/sandboxes:
    post:
      description: Create a new Modal Sandbox that runs letta remote automatically
      summary: Create Sandbox
      tags:
      - Sandboxes
      parameters: []
      operationId: sandboxes.createSandbox
      requestBody:
        description: Body
        content:
          application/json:
            schema:
              type: object
              properties:
                agentId:
                  type: string
                connectionName:
                  type: string
              required:
              - agentId
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                type: object
                properties:
                  sandboxId:
                    type: string
                  deviceId:
                    type: string
                  connectionName:
                    type: string
                required:
                - sandboxId
                - deviceId
                - connectionName
        '400':
          description: '400'
          content:
            application/json:
              schema:
                type: object
                properties:
                  errorCode:
                    type: string
                  message:
                    type: string
                required:
                - errorCode
                - message
        '500':
          description: '500'
          content:
            application/json:
              schema:
                type: object
                properties:
                  errorCode:
                    type: string
                  message:
                    type: string
                required:
                - errorCode
                - message
    get:
      description: List all sandboxes for the organization
      summary: List Sandboxes
      tags:
      - Sandboxes
      parameters:
      - name: agentId
        in: query
        schema:
          type: string
      - name: limit
        in: query
        schema:
          type: string
      operationId: sandboxes.listSandboxes
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                type: object
                properties:
                  sandboxes:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                        sandboxId:
                          type: string
                        agentId:
                          type: string
                        connectionName:
                          type: string
                        deviceId:
                          type: string
                        organizationId:
                          type: string
                        connectionId:
                          type: string
                          nullable: true
                        podId:
                          type: string
                          nullable: true
                        connectedAt:
                          type: number
                          nullable: true
                        lastHeartbeat:
                          type: number
                          nullable: true
                        lastSeenAt:
                          type: number
                        firstSeenAt:
                          type: number
                        currentMode:
                          type: string
                          enum:
                          - default
                          - acceptEdits
                          - plan
                          - bypassPermissions
                        metadata:
                          type: object
                          properties:
                            os:
                              type: string
                            lettaCodeVersion:
                              type: string
                            nodeVersion:
                              type: string
                            workingDirectory:
                              type: string
                            gitBranch:
                              type: string
                          additionalProperties: true
                      required:
                      - id
                      - sandboxId
                      - agentId
                      - connectionName
                      - deviceId
                      - organizationId
                      - connectionId
                      - podId
                      - connectedAt
                      - lastHeartbeat
                      - lastSeenAt
                      - firstSeenAt
                required:
                - sandboxes
  /v1/sandboxes/{sandboxId}/terminate:
    post:
      description: Terminate a Modal Sandbox
      summary: Terminate Sandbox
      tags:
      - Sandboxes
      parameters:
      - name: sandboxId
        in: path
        required: true
        schema:
          type: string
      operationId: sandboxes.terminateSandbox
      requestBody:
        description: Body
        content:
          application/json:
            schema:
              type: object
              properties: {}
              nullable: true
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  message:
                    type: string
                required:
                - success
                - message
        '404':
          description: '404'
          content:
            application/json:
              schema:
                type: object
                properties:
                  errorCode:
                    type: string
                  message:
                    type: string
                required:
                - errorCode
                - message
        '500':
          description: '500'
          content:
            application/json:
              schema:
                type: object
                properties:
                  errorCode:
                    type: string
                  message:
                    type: string
                required:
                - errorCode
                - message
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer