Given a package and the version an agent's code targets, returns breaking change...
https://changefeed.dev/v1/upgrade-checkOverview
Given a package and the version an agent's code targets, returns breaking changes and deprecations between that version and the latest tracked release.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
changefeed
Source
bazaar
Indexed
2026-11-06 06:02:21
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"from": "14.2.0",
"package": "next"
},
"type": "http"
}
Output Schema
{
"example": {
"breaking": [
{
"kinds": [
"breaking"
],
"published_at": "2026-10-21T17:00:00Z",
"source_id": "nextjs",
"summary": "Request APIs are now async; caching defaults changed…",
"title": "v15.0.0",
"url": "https://github.com/vercel/next.js/releases/tag/v15.0.0",
"version": "15.0.0"
}
],
"deprecations": [],
"from": "14.2.0",
"latest": "15.0.0",
"package": "next",
"security": []
},
"type": "json"
}