unsandbox.com

Anonymous remote code, compile, & execution API for humans & machine learning agents.

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unsandbox.
Required Dependencies

The Prolog examples below require the following 3rd party libraries:

  • http/http_open (SWI-Prolog)

Make sure these packages are installed in your environment before running the examples.

unsandbox.
POST https://api.unsandbox.com/execute

Execute code immediately and wait for results. Best for quick scripts and interactive use.

Request Parameters

Parameter Type Required Description
language string ✓ Programming language
code string ✓ Source code to execute
env object Environment variables (key-value pairs)
network_mode string "zerotrust" or "semitrusted"
ttl integer Timeout 1-900s (default: 60)
return_artifact boolean Return compiled binary
return_wasm_artifact boolean Return WebAssembly binary
input_files array Files to upload (see Input Files)

Example (Prolog)

:- use_module(library(http/http_client)).
:- use_module(library(http/http_json)).
:- use_module(library(http/json)).
:- initialization(main).

main :-
    % Build request data
    Request = _{
        language: "prolog",
        code: ":- initialization(main).\nmain :- write('Hello from unsandbox!'), nl, halt."
    },

    % Make HTTP POST request
    http_post(
        'https://api.unsandbox.com/execute',
        json(Request),
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    % Print response
    json_write(current_output, Response),
    nl,
    halt.

Response (Success)

{
  "success": true,
  "stdout": "Hello from unsandbox!\n",
  "stderr": "",
  "exit_code": 0,
  "language": "python",
  "job_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "artifacts": [],
  "execution_mode": "pooled",
  "network_mode": "zerotrust",
  "total_time_ms": 523
}

Response (Error)

{
  "success": false,
  "stdout": "",
  "stderr": "SyntaxError: invalid syntax\n",
  "exit_code": 1,
  "language": "python",
  "job_id": "b2c3d4e5-f6a7-8901-bcde-f23456789012",
  "artifacts": [],
  "execution_mode": "pooled",
  "network_mode": "zerotrust",
  "total_time_ms": 312
}
unsandbox.
POST https://api.unsandbox.com/execute/async

Submit code for execution and receive a job ID to poll for results. Best for long-running scripts or when you need to decouple submission from execution.

Request Parameters

Parameter Type Required Description
language string ✓ Programming language
code string ✓ Source code to execute
env object Environment variables (key-value pairs)
network_mode string "zerotrust" or "semitrusted"
ttl integer Timeout 1-900s (default: 60)
return_artifact boolean Return compiled binary
return_wasm_artifact boolean Return WebAssembly binary
input_files array Files to upload (see Input Files)

Example (Prolog)

:- use_module(library(http/http_client)).
:- use_module(library(http/http_json)).
:- use_module(library(http/json)).
:- initialization(main).

poll_job(JobID, MaxAttempts) :-
    poll_job(JobID, 0, MaxAttempts).

poll_job(_, Attempts, MaxAttempts) :-
    Attempts >= MaxAttempts, !,
    write('Max polling attempts reached'), nl.

poll_job(JobID, Attempts, MaxAttempts) :-
    format(atom(URL), 'https://api.unsandbox.com/jobs/~w', [JobID]),

    http_get(
        URL,
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    (   get_dict(status, Response, "completed")
    ->  json_write(current_output, Response), nl
    ;   get_dict(status, Response, Status),
        (   memberchk(Status, ["timeout", "cancelled"])
        ->  format('Job ~w~n', [Status])
        ;   sleep(1),
            Attempts1 is Attempts + 1,
            poll_job(JobID, Attempts1, MaxAttempts)
        )
    ).

main :-
    % Submit async job
    Request = _{
        language: "prolog",
        code: ":- initialization(main).\nmain :- write('Computing...'), nl, halt.",
        ttl: 300
    },

    http_post(
        'https://api.unsandbox.com/execute/async',
        json(Request),
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    % Get job ID and poll
    get_dict(job_id, Response, JobID),
    format('Job submitted: ~w~n', [JobID]),
    write('Polling for results...'), nl,
    poll_job(JobID, 10),
    halt.

Initial Response

{
  "job_id": "job_1234567890_abc",
  "status": "pending"
}
unsandbox.
GET https://api.unsandbox.com/jobs/{id}

Check the status and results of an asynchronous job. Poll this endpoint after submitting a job via /execute/async or /run/async.

URL Parameters

Parameter Type Description
id string Job ID returned from async endpoint

Example (Prolog)

:- use_module(library(http/http_client)).
:- use_module(library(http/http_json)).
:- use_module(library(http/json)).
:- initialization(main).

main :-
    JobID = 'job_1234567890_abc',
    format(atom(URL), 'https://api.unsandbox.com/jobs/~w', [JobID]),

    % Make HTTP GET request
    http_get(
        URL,
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    % Print response
    json_write(current_output, Response),
    nl,
    halt.

Response (Completed)

{
  "job_id": "c3d4e5f6-a7b8-9012-cdef-345678901234",
  "status": "completed",
  "created_at": 1699564800,
  "started_at": 1699564801,
  "completed_at": 1699564805,
  "result": {
    "success": true,
    "stdout": "Hello from unsandbox!\n",
    "stderr": "",
    "exit_code": 0,
    "language": "python",
    "artifacts": [],
    "execution_mode": "pooled",
    "network_mode": "zerotrust",
    "total_time_ms": 4021
  }
}

Possible Status Values

  • pending - Job queued, waiting to execute
  • running - Job currently executing
  • completed - Job finished (check result field)
  • timeout - Job exceeded TTL limit
  • cancelled - Job was cancelled via DELETE
unsandbox.
GET https://api.unsandbox.com/jobs

List all active (pending or running) jobs for your API key. Useful for monitoring multiple async executions.

Example (Prolog)

:- use_module(library(http/http_client)).
:- use_module(library(http/http_json)).
:- use_module(library(http/json)).
:- initialization(main).

main :-
    % Make HTTP GET request to list jobs
    http_get(
        'https://api.unsandbox.com/jobs',
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    % Print response
    json_write(current_output, Response),
    nl,
    halt.

Response

{
  "jobs": [
    {
      "job_id": "job_1234567890_abc",
      "status": "running",
      "language": "python",
      "submitted_at": "2024-01-15T10:30:00Z"
    },
    {
      "job_id": "job_0987654321_xyz",
      "status": "pending",
      "language": "go",
      "submitted_at": "2024-01-15T10:29:45Z"
    }
  ]
}
unsandbox.
DELETE https://api.unsandbox.com/jobs/{id}

Cancel a pending or running job. If the job is already executing, it will be terminated and partial output returned.

URL Parameters

Parameter Type Description
id string Job ID to cancel

Example (Prolog)

:- use_module(library(http/http_client)).
:- use_module(library(http/http_json)).
:- use_module(library(http/json)).
:- initialization(main).

main :-
    JobID = 'job_1234567890_abc',
    format(atom(URL), 'https://api.unsandbox.com/jobs/~w', [JobID]),

    % Make HTTP DELETE request
    http_delete(
        URL,
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    % Print response
    json_write(current_output, Response),
    nl,
    halt.

Response

{
  "message": "Job cancelled",
  "job_id": "e5f6a7b8-c9d0-1234-efgh-567890123456",
  "result": {
    "success": false,
    "stdout": "Partial output before cancel...",
    "stderr": "",
    "exit_code": -1,
    "language": "python",
    "artifacts": [],
    "execution_mode": "pooled",
    "network_mode": "zerotrust",
    "total_time_ms": 1523
  }
}
unsandbox.
POST https://api.unsandbox.com/run

Execute code with automatic language detection via shebang. Send raw code as the request body with Content-Type: text/plain.

Request

  • Content-Type: text/plain
  • Body: Raw code with shebang (e.g., #!/usr/bin/env python3)

Query Parameters

Parameter Type Required Description
env string URL-encoded JSON object with environment variables
network_mode string "zerotrust" or "semitrusted"
ttl integer Timeout 1-900s (default: 60)
return_artifact boolean Return compiled binary
return_wasm_artifact boolean Return WebAssembly binary

Example (Prolog)

:- use_module(library(http/http_client)).
:- use_module(library(http/http_json)).
:- use_module(library(http/json)).
:- initialization(main).

main :-
    % Build code for auto-detect
    Code = ":- initialization(main).\nmain :- write('Language auto-detected!'), nl, halt.",

    % Make HTTP POST request with text/plain
    http_post(
        'https://api.unsandbox.com/run',
        text(Code),
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    % Print response
    json_write(current_output, Response),
    nl,
    halt.

Response

{
  "success": true,
  "stdout": "Language auto-detected!\n",
  "stderr": "",
  "exit_code": 0,
  "language": "python",
  "detected_language": "python",
  "job_id": "f6a7b8c9-d0e1-2345-fghi-678901234567",
  "artifacts": [],
  "execution_mode": "pooled",
  "network_mode": "zerotrust",
  "total_time_ms": 412
}
unsandbox.
POST https://api.unsandbox.com/run/async

Submit code with automatic language detection and receive a job ID. Combines the convenience of /run with the flexibility of async execution.

Request

  • Content-Type: text/plain
  • Body: Raw code with shebang (e.g., #!/usr/bin/env ruby)

Query Parameters

Parameter Type Required Description
env string URL-encoded JSON object with environment variables
network_mode string "zerotrust" or "semitrusted"
ttl integer Timeout 1-900s (default: 60)
return_artifact boolean Return compiled binary
return_wasm_artifact boolean Return WebAssembly binary

Example (Prolog)

:- use_module(library(http/http_client)).
:- use_module(library(http/http_json)).
:- use_module(library(http/json)).
:- initialization(main).

poll_job(JobID, MaxAttempts) :-
    poll_job(JobID, 0, MaxAttempts).

poll_job(_, Attempts, MaxAttempts) :-
    Attempts >= MaxAttempts, !,
    write('Max polling attempts reached'), nl.

poll_job(JobID, Attempts, MaxAttempts) :-
    format(atom(URL), 'https://api.unsandbox.com/jobs/~w', [JobID]),

    http_get(
        URL,
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    (   get_dict(status, Response, "completed")
    ->  json_write(current_output, Response), nl
    ;   get_dict(status, Response, Status),
        (   memberchk(Status, ["timeout", "cancelled"])
        ->  format('Job ~w~n', [Status])
        ;   sleep(1),
            Attempts1 is Attempts + 1,
            poll_job(JobID, Attempts1, MaxAttempts)
        )
    ).

main :-
    % Build code for auto-detect
    Code = ":- initialization(main).\nmain :- write('Running async!'), nl, halt.",

    % Submit async job
    http_post(
        'https://api.unsandbox.com/run/async',
        text(Code),
        Response,
        [
            authorization(bearer('YOUR_API_KEY')),
            cert_verify_hook(cert_accept_any)
        ]
    ),

    % Get job ID and poll
    get_dict(job_id, Response, JobID),
    format('Job submitted: ~w~n', [JobID]),
    write('Polling for results...'), nl,
    poll_job(JobID, 10),
    halt.

Initial Response

{
  "job_id": "job_1234567890_abc",
  "status": "pending"
}

Job Result (via GET /jobs/{id})

{
  "job_id": "a7b8c9d0-e1f2-3456-ghij-789012345678",
  "status": "completed",
  "created_at": 1699564800,
  "started_at": 1699564801,
  "completed_at": 1699564802,
  "result": {
    "success": true,
    "stdout": "Running async with auto-detect!\n",
    "stderr": "",
    "exit_code": 0,
    "language": "ruby",
    "detected_language": "ruby",
    "artifacts": [],
    "execution_mode": "pooled",
    "network_mode": "zerotrust",
    "total_time_ms": 1234
  }
}
unsandbox.
Input Files

Upload files to your sandbox execution. Files are written to the working directory and can be accessed directly by filename.

File Object Schema

Field Type Required Description
filename string Filename (e.g., "data.csv"). If omitted, file is named by index: "0", "1", etc.
content string ✓ Base64-encoded file content

Example Request

{
  "language": "python",
  "code": "print(open('data.csv').read())",
  "input_files": [
    {
      "filename": "data.csv",
      "content": "bmFtZSxhZ2UKQWxpY2UsMzAKQm9iLDI1"
    }
  ]
}

Limits

  • Maximum files: 10 files per execution
  • Maximum total size: 10MB (decoded)
  • Maximum single file: 5MB (decoded)
  • Filename length: 256 characters max

File Access

Files are placed in the working directory. Access them directly:

  • Python: open('data.csv')
  • Node.js: fs.readFileSync('data.csv')
  • Ruby: File.read('data.csv')
  • Go: os.ReadFile("data.csv")

Security

  • Files are isolated per execution
  • Filenames cannot contain path separators (no / or ..)
  • Files are deleted after execution completes
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