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OpenAPI Change Monitor

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Monitor OpenAPI JSON/YAML specifications and output structured breaking/non-breaking API change records.

Pricing

Pay per usage

Rating

0.0

(0)

Developer

Prophed Com

Actor stats

Bookmarked

Total users

Monthly active users

39 minutes ago

Last modified

Why use it

API consumers, integration teams, developer-tool vendors, and automation teams need early warning when an API surface changes. This Actor turns OpenAPI specs into scheduled, dataset-friendly change records that can feed alerts, QA checks, dashboards, and integration maintenance workflows.

What it detects

Added operations
Removed operations
Changed operations
Added required parameters
Removed response codes
Request content-type changes
Fetch and parse errors
Optional unchanged/baseline rows

Input

{
  "specs": [
    {
      "name": "APIs.guru",
      "url": "https://api.apis.guru/v2/specs/apis.guru/2.2.0/openapi.json"
    }
  ],
  "includeUnchanged": false,
  "storeBaseline": true,
  "compareKeyPrefix": "openapi-change-monitor",
  "maxSpecs": 25
}

Output

Each dataset item is one finding:

{
  "specName": "Example API",
  "specUrl": "https://example.com/openapi.json",
  "changeType": "changed",
  "severity": "breaking",
  "method": "GET",
  "path": "/users",
  "operationId": "listUsers",
  "details": {
    "addedRequiredParameters": ["query:tenant"],
    "removedResponses": ["200"],
    "requestContentTypesChanged": false
  },
  "detectedAt": "2026-07-05T00:00:00.000Z"
}

Typical workflows

Schedule a daily run for public partner APIs.
Send breaking-change rows to Slack, email, Zapier, Make, or a webhook.
Keep a baseline in the Actor key-value store and compare each new run against it.
Monitor multiple specs in one batch while keeping maxSpecs capped for cost control.

Notes

This Actor only processes spec URLs supplied by the user. Users are responsible for permission to monitor any private or non-public specification URL they provide.

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