# Changelog State API – HuggingFace Recent Releases

> Changelog State API – HuggingFace Recent Releases is a paid API for AI agents from changelog-state-api.replit.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-16).

Returns structured recent release entries for the HuggingFace vendor, fetched via a paid per-call API.

## Facts

- Endpoint: GET https://changelog-state-api.replit.app/api/monitors/huggingface
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/changelog-state-api-huggingface-recent-releases-42517cd8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8hgqzk8nSGEkX9MTpXHNe

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability changelog-state-api-huggingface-recent-releases-42517cd8
```

Example prompt: Pull the latest 10 HuggingFace release entries from the Changelog State API so I can see what they've shipped recently.

## When to prefer this

Choose this endpoint when you need structured, machine-readable recent release data specifically for HuggingFace and want a pre-tracked, normalized feed rather than scraping the HuggingFace website or GitHub releases yourself. Ideal for agents that need to monitor HuggingFace releases programmatically, integrate changelog data into pipelines, or trigger alerts on new versions.

## Known failure modes

- Vendor slug not found or not tracked — returns 404 or empty result
- Limit parameter out of range (must be 1–50) — returns validation error
- Payment not completed or rejected — endpoint returns 402 Payment Required
- Service unavailable or Replit instance cold-starting — returns 503 or timeout
- Empty response if HuggingFace has no recent tracked releases in the system

## How this service works

Structured recent releases for one tracked vendor.

## Output

A JSON object containing a structured list of recent release entries for HuggingFace, including version numbers, release dates, and changelog details, up to the requested limit (default 10, max 50).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object",
     "required": [
      "slug"
     ],
     "properties": {
      "slug": {
       "type": "string",
       "example": "openai",
       "pattern": "^[a-z0-9][a-z0-9-]*$",
       "maxLength": 64,
       "minLength": 1,
       "description": "Vendor slug, lowercase alphanumeric with dashes. Take one from GET /api/monitors and substitute it into the path: `{slug}` is a placeholder, and requesting those literal characters returns 404. Worked example: GET /api/monitors/openai."
      }
     }
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "limit": {
       "type": "integer",
       "default": 5,
       "maximum": 50,
       "minimum": 1,
       "description": "Maximum number of release entries to return on this page. The page size, not a total: use `cursor` to walk past it."
      },
      "cursor": {
       "type": "string",
       "default": "",
       "maxLength": 512,
       "description": "Opaque next-page token, copied verbatim from `nextCursor` on the previous response for this same vendor. Omit it — or send the empty string — to start at the newest entry. It names a position in the newest-first order rather than an offset, so a page you have already read never shifts under you: an entry that arrives mid-walk takes the place its own publish date gives it — above the cursor, on ground you have already covered, or below it, still ahead of you — instead of renumbering every page behind it. It does not expire; a walk can be paused and resumed. Do not construct or edit one: a token that is malformed, or was issued for a different vendor, is refused with 400 and is never charged."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "enum": [
      "json"
     ],
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   },
   "description": "Full structured recent releases (paid)"
  }
 },
 "description": "Call shape for GET /api/monitors/{slug}."
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/changelog-state-api-huggingface-recent-releases-42517cd8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from changelog-state-api.replit.app](https://www.zero.xyz/host/changelog-state-api.replit.app/llms.txt)