# NVD CPE Dictionary Search

> NVD CPE Dictionary Search is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status down (last checked 2026-09-15).

Searches the NIST National Vulnerability Database Common Platform Enumeration (CPE) dictionary for products matching a keyword query.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/nvd-cpe-search
- Price: $0.02/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nvd-cpe-dictionary-search-4f6f1321
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iYCuA-iaPUCuEoR19HSt7

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 nvd-cpe-dictionary-search-4f6f1321 -d '<json body>'
```

Example prompt: Search the NVD CPE dictionary for products matching 'OpenSSL' so I can get the standardized CPE identifiers for vulnerability tracking.

## When to prefer this

Use this endpoint when you need to find standardized CPE identifiers for a software product or vendor from the authoritative NIST NVD source, particularly for vulnerability management workflows, software inventory tagging, or cross-referencing CVEs with affected platforms. Prefer this over a general web search when you need machine-readable, structured CPE data in JSON format.

## Known failure modes

- No matching CPE entries found for the given keyword — returns empty results array
- Query term too broad returns large or paginated result set
- NVD upstream service unavailable causing fetch failure
- Missing or empty q parameter resulting in error response
- Payment of $0.02 USDC not fulfilled causing 402 rejection

## How this service works

Search the NVD Common Platform Enumeration dictionary for products matching a keyword {q}. Query: ?q= Returns JSON.

## Output

A JSON response containing CPE dictionary entries that match the keyword, including CPE URIs, product names, vendor names, and platform version details as recorded in the NIST NVD CPE dictionary.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nvd-cpe-dictionary-search-4f6f1321/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)