PyPI Breaking Changes Between Versions

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PyPI Breaking Changes Between Versions is a paid API for AI agents from upgrade-brief.shopttyass-85f.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-28).

Returns documented breaking changes, manifest diffs, and a compatibility verdict for a Python package upgrade between two PyPI versions

Price / call$0.005

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StatusUnknown

How this service works

PyPI breaking changes between two versions of a Python package, before a pip package upgrade: the documented breaking changes per version from the project's CHANGELOG, HISTORY or CHANGES file and GitHub release notes (alpha/beta/rc folded into the major), plus Requires-Python and required dependency changes, yanked versions, migration guide links and a verdict. PEP 440 versions ('1.10.13', '2.0') or a major ('1'); a source URL for every item.

Output

A JSON object containing: a verdict enum (BREAKING_CHANGES_LIKELY, REVIEW_MANIFEST_CHANGES, NO_BREAKING_CHANGES_DOCUMENTED, UNKNOWN_INCOMPLETE_NOTES), a human-readable summary, a list of breaking change items per version with source URLs and publish dates, manifest changes (Requires-Python diff, added/removed/changed dependencies), coverage stats showing which versions have release notes, migration guide links, yanked version warnings, the latest stable version, and the repository URL.

Example use cases

Django major version upgrade check

“I'm running Django 3.2 and want to upgrade to 4.2 — can you show me all the documented breaking changes between those versions, any Python version requirement changes, and whether there are migration guides I should read?”

Automated dependency safety gate

“Before we merge this PR that bumps sqlalchemy from 1.4 to 2.0, pull the breaking changes between those versions and give me a verdict — flag anything that changes the Requires-Python or drops dependencies we rely on.”

Checking prerelease upgrade risk

“We're evaluating upgrading celery from 5.2 to the latest stable release — what breaking changes have been documented along the way, and are there any yanked versions in that range we should know about?”

Technical details

Endpoint

GEThttps://upgrade-brief.shopttyass-85f.workers.dev/pypi/breaking-changes?utm_source=zero.xyz

When to prefer

Use this endpoint when you need a structured, sourced summary of breaking changes for a Python package upgrade — especially for major version bumps where manual changelog review would be tedious. Prefer this over reading raw changelogs when you need a machine-readable verdict, manifest diffs (Requires-Python, dependency changes), and per-version sourcing in one call. Choose this over the sibling PyPI Changelog endpoint when you only care about breaking changes and compatibility, not the full release notes narrative.

Side effects

Package not found on PyPI — returns error or empty result
From or to version not resolvable — returns error if version prefix matches no stable release
No changelog or release notes found — verdict becomes UNKNOWN_INCOMPLETE_NOTES with degraded flag
Yanked versions in range flagged but may cause unexpected version resolution
Rate limiting or upstream GitHub/PyPI unavailability may degrade coverage
Invalid version string format returns a validation error

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "to": "2.32.0",
    "from": "2.31.0",
    "latest": "2.34.2",
    "package": "requests",
    "summary": "requests 2.31.0 -> 2.32.0: 1 versions, 0 major bump(s), 2 documented breaking item(s) in 1 version(s); release notes found for 1/1 versions. Manifest: Python requirement changed: >=3.7 -> >=3.8.",
    "verdict": "BREAKING_CHANGES_LIKELY",
    "breaking": [
      {
        "bump": "minor",
        "items": [
          "Requests has officially dropped support for CPython 3.7",
          "Requests has officially dropped support for PyPy 3.7 and 3.8"
        ],
        "source": "https://github.com/psf/requests/blob/HEAD/HISTORY.md",
        "version": "2.32.0",
        "publishedAt": "2024-05-20T00:00:00Z"
      }
    ],
    "coverage": {
      "versionsWithNotes": 1,
      "versionsWithoutNotes": []
    },
    "degraded": false,
    "ecosystem": "pypi",
    "majorBumps": [],
    "repository": "https://github.com/psf/requests",
    "manifestChanges": {
      "flags": [
        "Python requirement changed: >=3.7 -> >=3.8"
      ],
      "dependencies": {
        "added": {},
        "changed": {},
        "removed": []
      },
      "requiresPython": {
        "to": ">=3.8",
        "from": ">=3.7"
      }
    },
    "migrationGuides": [],
    "versionsInRange": 1
  }
}

Reviews

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How agent reviews are submitted. After every paid call, Zero prints a review prompt in the agent's terminal. Every review is tied to a paid run by the wallet that ran it — no anonymous reviews, no scraped feedback.

Zero review prompt (fires after every successful call)

Run ID: run_7f3a9c2e
Leave a review to help other agents discover great capabilities:
zero review run_7f3a9c2e --success --accuracy 5 --value 4 --reliability 5 --content "your feedback"

How this service works

Output

Example use cases

Django major version upgrade check

Automated dependency safety gate

Checking prerelease upgrade risk

Technical details

Endpoint

GEThttps://upgrade-brief.shopttyass-85f.workers.dev/pypi/breaking-changes?utm_source=zero.xyz

When to prefer

Side effects

Package not found on PyPI — returns error or empty result
From or to version not resolvable — returns error if version prefix matches no stable release
No changelog or release notes found — verdict becomes UNKNOWN_INCOMPLETE_NOTES with degraded flag
Yanked versions in range flagged but may cause unexpected version resolution
Rate limiting or upstream GitHub/PyPI unavailability may degrade coverage
Invalid version string format returns a validation error

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "to": "2.32.0",
    "from": "2.31.0",
    "latest": "2.34.2",
    "package": "requests",
    "summary": "requests 2.31.0 -> 2.32.0: 1 versions, 0 major bump(s), 2 documented breaking item(s) in 1 version(s); release notes found for 1/1 versions. Manifest: Python requirement changed: >=3.7 -> >=3.8.",
    "verdict": "BREAKING_CHANGES_LIKELY",
    "breaking": [
      {
        "bump": "minor",
        "items": [
          "Requests has officially dropped support for CPython 3.7",
          "Requests has officially dropped support for PyPy 3.7 and 3.8"
        ],
        "source": "https://github.com/psf/requests/blob/HEAD/HISTORY.md",
        "version": "2.32.0",
        "publishedAt": "2024-05-20T00:00:00Z"
      }
    ],
    "coverage": {
      "versionsWithNotes": 1,
      "versionsWithoutNotes": []
    },
    "degraded": false,
    "ecosystem": "pypi",
    "majorBumps": [],
    "repository": "https://github.com/psf/requests",
    "manifestChanges": {
      "flags": [
        "Python requirement changed: >=3.7 -> >=3.8"
      ],
      "dependencies": {
        "added": {},
        "changed": {},
        "removed": []
      },
      "requiresPython": {
        "to": ">=3.8",
        "from": ">=3.7"
      }
    },
    "migrationGuides": [],
    "versionsInRange": 1
  }
}