GET /items/{boardID}:{majorVersion}

Returns the latest known point release for the given board ID and macOS major version. Unlike GET /items/:, this endpoint takes a major version only (not a full point release) and returns a concise summary without proximo fields.

Endpoint

GET https://proximosapi.enlazosystems.com/items/{boardID}:{majorVersion}
Authorization: YOUR_DECODED_LICENSE_KEY

Path Parameters

string

required

The Apple board identifier for the Mac model.

Era	Example board IDs
Apple Silicon	`J293AP`, `J413AP`, `J316cAP`
Intel	`Mac-35C5E08120C7EEAF`, `Mac-4B682C642B45593E`
PowerPC Mac OS X (10.0–10.5)	`M5183`, `A1047`, `M8493`, `M6498`, `A1103`
Classic Mac OS 68k	`M0001`, `M5119`, `M1476`, `M7777`, `M4300`
Classic Mac OS PPC	`M1688`, `M3979`, `M5521`, `M4984`, `M8570`

For Motorola 68k and PowerPC Macs, the board ID is the Apple model number physically printed on the machine. These are verified against EveryMac.com.

string

required

The macOS major version number only — not a full point release.

Era	Format	Examples
Modern macOS (11+)	Single integer	`14`, `15`, `26`
Legacy Mac OS X	Two-part (`10.Y`)	`10.15`, `10.9`, `10.4`
Classic Mac OS	Two-part (`X.Y`)	`9.0`, `8.5`, `7.1`

Example Requests

curl -H "Authorization: YOUR_DECODED_LICENSE_KEY" \
  https://proximosapi.enlazosystems.com/items/J293AP:14

curl -H "Authorization: YOUR_DECODED_LICENSE_KEY" \
  https://proximosapi.enlazosystems.com/items/M5183:10.4

curl -H "Authorization: YOUR_DECODED_LICENSE_KEY" \
  https://proximosapi.enlazosystems.com/items/M5521:9.0

Responses

Modern macOS

[
  {
    "major_version": "14",
    "board_id_major_version": "J293AP:14",
    "releasedDate": "2026-05-11",
    "version": "14.8.7",
    "resolved_board_id": "J293AP"
  }
]

Legacy Mac OS X

M5183 covers the Power Mac G3 Blue & White and all G4 PCI/AGP/Gigabit/Digital Audio models. The 867 MHz Digital Audio G4 raises the union max to Mac OS X 10.5.8.

[
  {
    "major_version": "10.4",
    "board_id_major_version": "M5183:10.4",
    "releasedDate": "2007-11-14",
    "version": "10.4.11",
    "resolved_board_id": "M5183"
  }
]

Classic Mac OS

M5521 covers all slot-loading iMac G3 models (350–700 MHz). It supports Classic Mac OS 8.6 through Mac OS 9.2.2 and Mac OS X 10.0 through 10.4.

[
  {
    "major_version": 9.0,
    "board_id_major_version": "M5521:9.0",
    "releasedDate": "2000-04-04",
    "version": "9.0.4",
    "resolved_board_id": "M5521"
  }
]

Response Fields

string | number

The macOS major version from the request. A string for modern macOS and Legacy Mac OS X; a number for Classic Mac OS.

string

The internal DynamoDB composite key: {boardID}:{major_version}.

string

Release date of the latest point release for this board/major, in YYYY-MM-DD format.

string

The latest known point release version for this board/major.

string

The board ID from the request path.

Notes

If the specified board ID does not support the given major version, a 404 is returned.
The response is always an array containing one item.
To also retrieve the next available update from a specific point release, use GET /items/: instead.

Overview

API Reference

GET /items/{boardID}:{majorVersion}

Endpoint

Path Parameters

Example Requests

Responses

Modern macOS

Legacy Mac OS X

Classic Mac OS

Response Fields

Notes

​Endpoint

​Path Parameters

​Example Requests

​Responses

​Modern macOS

​Legacy Mac OS X

​Classic Mac OS

​Response Fields

​Notes

Endpoint

Path Parameters

Example Requests

Responses

Modern macOS

Legacy Mac OS X

Classic Mac OS

Response Fields

Notes