# @nestjs/core Runtime and Platform Constraints Lookup

> @nestjs/core Runtime and Platform Constraints Lookup is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).

Returns runtime and platform compatibility constraints for the @nestjs/core npm package, optionally for a specific version.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-npm-nestjs-core-runtime-constraints?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nestjs-core-runtime-and-platform-constraints-lookup-1a2f9396
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3VB_A0H_LAtmSPO9TW2DS

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 nestjs-core-runtime-and-platform-constraints-lookup-1a2f9396 -d '<json body>'
```

Example prompt: What are the runtime and platform constraints for @nestjs/core version 10.3.0? I want to check compatibility before upgrading.

## When to prefer this

Use this endpoint when you need structured, on-demand runtime and platform constraint data for @nestjs/core directly from npm registry metadata — particularly useful during upgrade planning, environment provisioning, or CI compatibility audits. Prefer this over manually querying npmjs.com when you need machine-readable output in an automated agent workflow.

## Known failure modes

- Invalid or non-existent package name returns an error
- Requested version does not exist in the npm registry
- Package name exceeds 150 character limit
- Version string exceeds 100 character limit
- Service unavailability or upstream npm registry timeout

## How this service works

@nestjs/core Runtime and platform constraints: Runtime and platform constraints for npm package @nestjs/core. Inspect registry metadata for integration and upgrade planning. Package and version can be overridden.

## Output

Returns npm registry metadata for @nestjs/core including runtime engine constraints (e.g. required Node.js versions), supported platforms, and other compatibility information useful for integration and upgrade planning. The response covers the specified version or defaults to the latest package metadata.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "package": {
   "type": "string",
   "default": "@nestjs/core",
   "maxLength": 150
  },
  "version": {
   "type": "string",
   "maxLength": 100
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nestjs-core-runtime-and-platform-constraints-lookup-1a2f9396/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
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