# jose npm Package Artifact Integrity Metadata

> jose npm Package Artifact Integrity Metadata 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).

Retrieves published artifact integrity metadata (checksums, signatures, file hashes) for the jose npm package to support integration and upgrade planning.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-npm-jose-artifact-integrity?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/jose-npm-package-artifact-integrity-metadata-15992ce5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_KZN4-HRvWZQVBZn1pc7fV

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 jose-npm-package-artifact-integrity-metadata-15992ce5 -d '<json body>'
```

Example prompt: Can you pull the published artifact integrity metadata for the jose npm package, version 5.3.0, so I can verify the checksums before we upgrade our dependency?

## When to prefer this

Use this endpoint when you need to programmatically retrieve artifact integrity metadata (checksums, hashes) for the jose npm package from the registry, particularly for automated upgrade planning, supply chain security audits, or CI/CD pipeline verification steps. Prefer this over manual npm CLI lookups when operating inside an AI agent workflow that needs structured integrity data.

## Known failure modes

- Package name not found in npm registry — returns error or empty metadata
- Specified version does not exist for jose — version not found error
- Payment not processed — x402 payment required error
- Rate limiting or marketplace service unavailability — timeout or 5xx error
- Malformed version string — validation error

## How this service works

jose Published artifact integrity metadata: Published artifact integrity metadata for npm package jose. Inspect registry metadata for integration and upgrade planning. Package and version can be overridden.

## Output

Returns published artifact integrity metadata from the npm registry for the jose package, including checksums, file hashes, and registry-level integrity fields for the specified version, enabling verification and upgrade planning.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "package": {
   "type": "string",
   "default": "jose",
   "maxLength": 150
  },
  "version": {
   "type": "string",
   "maxLength": 100
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/jose-npm-package-artifact-integrity-metadata-15992ce5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)