OnHub Code Execution API

x402

OnHub Code Execution API is a paid API for AI agents from api.onhub.ai, paid per call via x402, $0.015/call, status unknown (last checked 2026-10-02).

Writes and runs Python code to compute or verify an answer, returning the generated code, its output, and a final human-readable result

Price / call$0.015

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StatusUnknown

How this service works

Writes and runs Python to compute or verify an answer, returning the code, its output, and a final answer.

Output

Returns a JSON object containing the original query, an array of steps (each with a type and content field showing the code output), and a final human-readable answer string summarizing the computed result, along with an object type identifier 'code.result'.

Example use cases

Prime number sequence calculation

“What is the sum of all prime numbers below 10,000? Run the code and give me the exact number.”

Verify algorithmic complexity claim

“Can you write and run Python to verify that sorting a list of 1 million random numbers with quicksort actually runs faster than bubble sort on the same input?”

Statistical computation on described data

“I have a dataset of values: [14, 22, 8, 45, 31, 17, 9, 52, 27, 38]. Can you compute the mean, median, standard deviation, and interquartile range for me?”

Technical details

Endpoint

POSThttps://api.onhub.ai/v1/code?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a precise, verifiable answer to a computational or mathematical question and want to see the Python code and its raw output alongside the result. It is especially valuable when correctness must be demonstrated (not just asserted), when calculations involve large numbers or complex sequences, or when you need to verify a claim programmatically. Prefer it over plain text inference endpoints for any task where running actual code produces a more trustworthy answer than language model estimation.

Side effects

Query too short (below 3 characters) or too long (above 2000 characters) returns a validation error
Code execution errors such as division by zero or import of unavailable libraries may result in an error step rather than a valid answer
Ambiguous or non-computational queries may produce incorrect or nonsensical Python code
Network timeout if the code execution takes too long for complex computations
Payment failure via x402 protocol if insufficient USDC balance

Input

Schema · Request body

Field	Type	Description
query	string	A computational question to answer by writing and running Python code, e.g. a calculation, data-processing, or verification task.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "query": "What is the sum of the first 50 prime numbers?",
    "steps": [
      {
        "type": "result",
        "content": "5117\n"
      }
    ],
    "answer": "The sum of the first 50 prime numbers is 5,117.",
    "object": "code.result"
  }
}

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How this service works

Writes and runs Python to compute or verify an answer, returning the code, its output, and a final answer.

Output

Example use cases

Prime number sequence calculation

“What is the sum of all prime numbers below 10,000? Run the code and give me the exact number.”

Verify algorithmic complexity claim

“Can you write and run Python to verify that sorting a list of 1 million random numbers with quicksort actually runs faster than bubble sort on the same input?”

Statistical computation on described data

“I have a dataset of values: [14, 22, 8, 45, 31, 17, 9, 52, 27, 38]. Can you compute the mean, median, standard deviation, and interquartile range for me?”

Technical details

Endpoint

POSThttps://api.onhub.ai/v1/code?utm_source=zero.xyz

When to prefer

Side effects

Query too short (below 3 characters) or too long (above 2000 characters) returns a validation error
Code execution errors such as division by zero or import of unavailable libraries may result in an error step rather than a valid answer
Ambiguous or non-computational queries may produce incorrect or nonsensical Python code
Network timeout if the code execution takes too long for complex computations
Payment failure via x402 protocol if insufficient USDC balance

Input

Schema · Request body

Field	Type	Description
query	string	A computational question to answer by writing and running Python code, e.g. a calculation, data-processing, or verification task.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "query": "What is the sum of the first 50 prime numbers?",
    "steps": [
      {
        "type": "result",
        "content": "5117\n"
      }
    ],
    "answer": "The sum of the first 50 prime numbers is 5,117.",
    "object": "code.result"
  }
}