# esbuild npm Runtime and Platform Constraints

> esbuild npm Runtime and Platform Constraints 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 runtime and platform constraints metadata for the npm package esbuild, useful for integration and upgrade planning.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-npm-esbuild-runtime-constraints?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/esbuild-npm-runtime-and-platform-constraints-8dc29312
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-MrWs_cldfv-8XJWE2CBP

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 esbuild-npm-runtime-and-platform-constraints-8dc29312 -d '<json body>'
```

Example prompt: Can you pull the runtime and platform constraints for esbuild version 0.21.0 from the npm registry so I can check if it's compatible with my Linux arm64 environment?

## When to prefer this

Use this endpoint when you need machine-readable runtime and platform constraint metadata for the esbuild npm package specifically, particularly for upgrade planning, CI/CD compatibility checks, or auditing deployment environment compatibility. Prefer this over manually parsing npm registry JSON when you want a clean, structured response without additional tooling.

## Known failure modes

- Unknown or misspelled package name returns an error or empty result
- Invalid version string returns a validation error
- Requested version does not exist in the npm registry, returning a not-found error
- Network or registry timeout causing service unavailability

## How this service works

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

## Output

Returns structured registry metadata about esbuild's declared runtime and platform constraints, including supported operating systems, CPU architectures, Node.js engine requirements, and any other compatibility fields from the npm package manifest for the specified version.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/esbuild-npm-runtime-and-platform-constraints-8dc29312/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)