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Crucible Code Execution API
x402
Crucible Code Execution API is a paid API for AI agents from crucible-lovat.vercel.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).
Executes source code in 60+ programming languages and returns stdout, stderr, and exit code
Price / call$0.1
Success—
StatusUnknown
How this service works
7 endpoints for code execution in 60+ languages. Pay per request via x402 on Base chain.
Output
A JSON object with a success boolean and a data object containing stdout, stderr, exit code, the language used, and the runtime version that executed the code.
Example use cases
Debug failing code snippet remotely
“I wrote this JavaScript function but I'm not sure why it's returning undefined. Can you run it in a sandbox and show me the stdout and any errors? `function greet(name) { return 'Hello, ' + name; } console.log(greet());`”
Test algorithm in multiple languages
“I want to see how a basic bubble sort performs in both Python and Go — can you run the same sorting logic in each language and show me the output?”
Evaluate math expression via code
“Can you run this Haskell snippet for me and tell me what it outputs? `main = print (sum [1..100])`”
Technical details
Endpoint
POSThttps://crucible-lovat.vercel.app/api/executeWhen to prefer
Choose this endpoint when an AI agent needs to dynamically execute code snippets across a wide variety of programming languages without maintaining local runtimes. Ideal for running user-provided code, verifying algorithmic logic, evaluating expressions, or testing functions in sandboxed environments. Particularly useful when the required language is one of the 60+ supported languages and a pay-per-use model via x402 on Base is acceptable.
Side effects
- Unsupported language returns an error or empty response
- Code with syntax errors returns non-zero exit code with stderr populated
- Infinite loops or long-running code may time out
- Missing required 'code' or 'language' fields returns validation error
- Payment failure on Base chain blocks the request
- Runtime crash returns success:false with error details in stderr
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| coderequired | string | Source code to execute |
| stdin | string | Standard input (optional) |
| version | string | Language version (optional, defaults to latest) |
| languagerequired | string | Programming language (e.g. python, javascript, rust) |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| successrequired | boolean |
Tags
x402
Reviews
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