# Fastify NPM Package Advisory Fixed-Version Boundaries

> Fastify NPM Package Advisory Fixed-Version Boundaries is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).

Returns OSV security advisory fixed-version boundaries for a given version of the fastify npm package

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-osv-npm-fastify-fix-versions?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fastify-npm-package-advisory-fixed-version-boundaries-5f58d9f7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_pOHnyiYW5iBXHVRRCK1ns

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 fastify-npm-package-advisory-fixed-version-boundaries-5f58d9f7 -d '<json body>'
```

Example prompt: What are the fixed-version boundaries from OSV advisories for fastify version 4.15.0? I want to know which versions address known security vulnerabilities.

## When to prefer this

Use this endpoint when you specifically need OSV-sourced advisory fix-version boundaries for the fastify npm package. It is scoped exclusively to fastify, making it faster and more precise than a general vulnerability scanner. Prefer this over broad dependency audit tools when you need structured, per-version advisory fix data for fastify in automated pipelines or security checks.

## Known failure modes

- Unknown or malformed version string returns empty or error response
- Latest version resolution may fail if npm registry is unreachable
- Pagination token mismatch may cause incomplete results
- Querying a very old or pre-release version may return no matching advisory data
- Rate limiting or payment failure may block the request

## How this service works

fastify Advisory fixed-version boundaries: Advisory fixed-version boundaries for npm package fastify, from OSV. Accepts an exact version; latest resolves the registry version. Scope is the named package only.

## Output

Returns a list of OSV advisory fixed-version boundaries for the specified fastify version, indicating which versions introduced fixes for known vulnerabilities. May include pagination via page token for multiple advisories.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "package": {
   "type": "string",
   "default": "fastify",
   "maxLength": 150
  },
  "version": {
   "type": "string",
   "default": "latest",
   "maxLength": 100
  },
  "page_token": {
   "type": "string",
   "maxLength": 4000
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fastify-npm-package-advisory-fixed-version-boundaries-5f58d9f7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
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