Pricing

$10.00 / 1,000 completed schema comparisons

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JSON Schema Contract Change Radar

Try for free

Detect JSON Schema contract changes with validated counterexamples. Compare API inputs, MCP tool schemas and event payloads; export JSON evidence and CSV summaries. Supports draft-07 and 2020-12. No-witness results require review and do not prove compatibility.

Pricing

$10.00 / 1,000 completed schema comparisons

Rating

0.0

(0)

Developer

Daniel Michałek

Actor stats

Bookmarked

Total users

Monthly active users

3 days ago

Last modified

Categories

You can access the JSON Schema Contract Change Radar programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

$echo '{
<  "comparisons": [
<    {
<      "name": "illustrative-order-minimum",
<      "beforeSchema": {
<        "$schema": "http://json-schema.org/draft-07/schema#",
<        "type": "object",
<        "properties": {
<          "quantity": {
<            "type": "integer",
<            "minimum": 1
<          }
<        },
<        "required": [
<          "quantity"
<        ],
<        "additionalProperties": false
<      },
<      "afterSchema": {
<        "$schema": "http://json-schema.org/draft-07/schema#",
<        "type": "object",
<        "properties": {
<          "quantity": {
<            "type": "integer",
<            "minimum": 2
<          }
<        },
<        "required": [
<          "quantity"
<        ],
<        "additionalProperties": false
<      },
<      "candidates": [
<        {
<          "quantity": 1
<        }
<      ]
<    }
<  ],
<  "maxCandidates": 128,
<  "maxWitnesses": 5,
<  "maxComparisonTimeMs": 2000,
<  "maxRunTimeMs": 60000
<}' |
<apify call danielmichalek/json-schema-contract-radar --silent --output-dataset

JSON Schema Contract Change Radar API through CLI

The Apify CLI is the official tool that allows you to use JSON Schema Contract Change Radar locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

JSON Schema Contract Change Radar API in Python

JSON Schema Contract Change Radar API in JavaScript

JSON Schema Contract Change Radar OpenAPI definition

JSON Schema Contract Change Radar API

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