The contract API

Documents about the API itself, such as this contract.

Every operation of the API reference is generated from the contract the API serves, version 0.1.0. Replace YOUR_API_KEY in the samples with your key.

This contract

GET/openapi.json

The OpenAPI 3.1 document that describes this API.

Authentication: None: anyone may call it, within a budget per client address where the description says so.

Responses

Responses of This contract

Status	Meaning	Body
200 OK	The OpenAPI document.	application/json
Any other status	An error, as RFC 9457 problem details.	Problem (application/problem+json)

Sample

curl

curl https://api.zerocaptcha.io/openapi.json

Node

request.mjs

const response = await fetch("https://api.zerocaptcha.io/openapi.json");
console.log(response.status, await response.text());

Python

request.py

import requests

response = requests.get(
    "https://api.zerocaptcha.io/openapi.json",
    timeout=30,
)
print(response.status_code, response.text)