unsandbox.com
Anonymous remote code, compile, & execution API for humans & machine learning agents.
Docs 📚 View Pricing →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 (Crystal)
require "http/client"
require "json"
client = HTTP::Client.new("api.unsandbox.com", tls: true)
api_key = ENV["UNSANDBOX_API_KEY"]? || "unsb-sk-test0-vault-unlck-12345"
headers = HTTP::Headers{
"Content-Type" => "application/json",
"Authorization" => "Bearer #{api_key}",
}
payload = {
language: "crystal",
code: "puts \"Hello from unsandbox!\"",
}.to_json
response = client.post("/execute", headers: headers, body: payload)
result = JSON.parse(response.body)
if result["success"].as_bool
puts "Output: #{result["stdout"]}"
else
puts "Error: #{result["error"]}"
end
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
}
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 (Crystal)
require "http/client"
require "json"
client = HTTP::Client.new("api.unsandbox.com", tls: true)
api_key = ENV["UNSANDBOX_API_KEY"]? || "unsb-sk-test0-vault-unlck-12345"
headers = HTTP::Headers{
"Content-Type" => "application/json",
"Authorization" => "Bearer #{api_key}",
}
# Submit job
payload = {
language: "rust",
code: "fn main() { println!(\"Computing...\"); }",
ttl: 300,
}.to_json
response = client.post("/execute/async", headers: headers, body: payload)
job = JSON.parse(response.body)
job_id = job["job_id"].as_s
puts "Job submitted: #{job_id}"
# Wait briefly for job to be created
sleep 2
# Poll for results
loop do
response = client.get("/jobs/#{job_id}", headers: headers)
if response.status_code != 200
puts "Error checking job status: #{response.status_code}"
break
end
status = JSON.parse(response.body)
state = status["status"]?.try(&.as_s)
case state
when "completed"
exit_code = status["exit_code"]?.try(&.as_i) || 1
if exit_code == 0
puts "Output: #{status["stdout"]?}"
else
puts "Error: #{status["stderr"]?}"
end
break
when "timeout", "cancelled"
puts "Job #{state}"
break
end
sleep 1
end
Initial Response
{
"job_id": "job_1234567890_abc",
"status": "pending"
}
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 (Crystal)
require "http/client"
require "json"
client = HTTP::Client.new("api.unsandbox.com", tls: true)
api_key = ENV["UNSANDBOX_API_KEY"]? || "unsb-sk-test0-vault-unlck-12345"
headers = HTTP::Headers{
"Content-Type" => "application/json",
"Authorization" => "Bearer #{api_key}",
}
# Submit a job to get a real job ID
payload = {
"language" => "python",
"code" => "print('Example job')"
}.to_json
submit_response = client.post("/execute/async", headers: headers, body: payload)
job_data = JSON.parse(submit_response.body)
job_id = job_data["job_id"].as_s
puts "Submitted job: #{job_id}"
# Get job status
status_headers = HTTP::Headers{
"Authorization" => "Bearer #{api_key}",
}
response = client.get("/jobs/#{job_id}", headers: status_headers)
if response.status_code == 200
job = JSON.parse(response.body)
puts "Status: #{job["status"]?}"
if job["status"]?.try(&.as_s) == "completed"
puts "Exit code: #{job["exit_code"]?}"
puts "Output: #{job["stdout"]?}"
end
elsif response.status_code == 404
puts "Job not found"
else
puts "Error: #{response.status_code}"
end
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 executerunning- Job currently executingcompleted- Job finished (check result field)timeout- Job exceeded TTL limitcancelled- Job was cancelled via DELETE
List all active (pending or running) jobs for your API key. Useful for monitoring multiple async executions.
Example (Crystal)
require "http/client"
require "json"
client = HTTP::Client.new("api.unsandbox.com", tls: true)
api_key = ENV["UNSANDBOX_API_KEY"]? || "unsb-sk-test0-vault-unlck-12345"
headers = HTTP::Headers{
"Authorization" => "Bearer #{api_key}",
}
response = client.get("/jobs", headers: headers)
jobs = JSON.parse(response.body).as_a
jobs.each do |job|
puts "#{job["job_id"]}: #{job["status"]} (#{job["language"]})"
end
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"
}
]
}
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 (Crystal)
require "http/client"
require "json"
client = HTTP::Client.new("api.unsandbox.com", tls: true)
api_key = ENV["UNSANDBOX_API_KEY"]? || "unsb-sk-test0-vault-unlck-12345"
headers = HTTP::Headers{
"Content-Type" => "application/json",
"Authorization" => "Bearer #{api_key}",
}
# Submit a long-running job to demonstrate cancellation
payload = {
"language" => "python",
"code" => "import time; time.sleep(10); print('Done')"
}.to_json
submit_response = client.post("/execute/async", headers: headers, body: payload)
job_data = JSON.parse(submit_response.body)
job_id = job_data["job_id"].as_s
puts "Submitted job: #{job_id}"
# Delete/cancel the job
delete_headers = HTTP::Headers{
"Authorization" => "Bearer #{api_key}",
}
response = client.delete("/jobs/#{job_id}", headers: delete_headers)
if response.status_code == 200
result = JSON.parse(response.body)
puts "Cancelled: #{result["message"]? || "Job cancelled"}"
if result["stdout"]?
puts "Partial output: #{result["stdout"]?}"
end
elsif response.status_code == 404
puts "Job not found or already deleted"
else
puts "Error: #{response.status_code}"
end
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
}
}
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 (Crystal)
require "http/client"
require "json"
client = HTTP::Client.new("api.unsandbox.com", tls: true)
api_key = ENV["UNSANDBOX_API_KEY"]? || "unsb-sk-test0-vault-unlck-12345"
headers = HTTP::Headers{
"Content-Type" => "text/plain",
"Authorization" => "Bearer #{api_key}",
}
code = %(#!/usr/bin/env python3
print("Language auto-detected!"))
response = client.post("/run", headers: headers, body: code)
result = JSON.parse(response.body)
puts "Detected: #{result["detected_language"]}"
puts "Output: #{result["stdout"]}"
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
}
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 (Crystal)
require "http/client"
require "json"
client = HTTP::Client.new("api.unsandbox.com", tls: true)
api_key = ENV["UNSANDBOX_API_KEY"]? || "unsb-sk-test0-vault-unlck-12345"
headers = HTTP::Headers{
"Content-Type" => "text/plain",
"Authorization" => "Bearer #{api_key}",
}
code = %(#!/usr/bin/env ruby
puts "Running async with auto-detect!" )
# Submit job
response = client.post("/run/async", headers: headers, body: code)
job = JSON.parse(response.body)
job_id = job["job_id"].as_s
puts "Job submitted: #{job_id}"
# Wait briefly for job to be created
sleep 2
# Poll for results
loop do
response = client.get("/jobs/#{job_id}", headers: headers)
if response.status_code != 200
puts "Error checking job status: #{response.status_code}"
break
end
status = JSON.parse(response.body)
state = status["status"]?.try(&.as_s)
case state
when "completed"
puts "Detected: #{status["detected_language"]?}"
exit_code = status["exit_code"]?.try(&.as_i) || 1
if exit_code == 0
puts "Output: #{status["stdout"]?}"
end
break
when "timeout", "cancelled"
puts "Job #{state}"
break
end
sleep 1
end
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
}
}
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