---
title: "Initialize mongodb sandbox with data"
method: POST
path: "/sandbox/mongodb/{sandbox_id}/initialize"
tags: ["sandbox"]
---

# Initialize mongodb sandbox with data

`POST /sandbox/mongodb/{sandbox_id}/initialize`

Initialize the sandbox with mongodb-specific data following the defined schema.

## Path parameters

- `sandbox_id` string, required — The unique sandbox identifier

## Query parameters

- `init_default_data` boolean — If true, use default test data for initialization

## Request body

- MongoDataInput — Complete MongoDB sandbox data structure.
  - `databases` MongoDatabaseInput[] — List of databases
    - `name` string, required — Database name
    - `collections` MongoCollectionInput[], nullable — Collections in this database
      - `name` string, required — Collection name
      - `documents` object[], nullable — Documents in this collection
      - `indexes` MongoIndexInput[], nullable — Indexes definition for this collection
        - `name` string, required — Index name
        - `keys` array[], required — Index keys as list of (field, direction) tuples
          - unknown[]
            - unknown
        - `options` object, nullable — Additional index options (unique, sparse, etc.)

## Response `200`

Successful Response

- InitializeSandboxResponse — Response model for sandbox initialization
  - `sandbox_id` string, required — Sandbox identifier
  - `status` 'idle' | 'occupied' | 'error', required — Status of a sandbox instance - matches database enum
  - `message` string, required — Initialization result message

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/klavis-ai/apis/klavis-ai-https-www-klavis-ai.md) · [All operations](https://skmtc.net/klavis-ai/apis/klavis-ai-https-www-klavis-ai/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/klavis-ai/klavis-ai-https-www-klavis-ai/revisions/1f05ced7280f/schema)