# Vault Namespace Key Listing

> Vault Namespace Key Listing is a paid API for AI agents from agentic-endpoints-testnet.oliver-835.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-16).

Lists all keys stored in a vault namespace along with their metadata, without exposing any encrypted ciphertext

## Facts

- Endpoint: GET https://agentic-endpoints-testnet.oliver-835.workers.dev/vault/list
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/vault-namespace-key-listing-527edc3d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bhlNfTKTV2MaytPhMCjya

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 vault-namespace-key-listing-527edc3d
```

Example prompt: Can you list all the keys currently stored in my vault namespace 'project-alpha' using the namespace token I have, so I can see what's there without decrypting anything?

## When to prefer this

Use this endpoint when you need to audit or inventory the contents of a vault namespace without decrypting any values — ideal for listing, auditing, or deciding which keys to retrieve, check, or delete next. Prefer this over the key-existence check endpoint when you need a full inventory rather than a single key lookup.

## Known failure modes

- Invalid or expired namespace_token returns an authorization error
- Non-existent namespace returns an empty list or not-found error
- Missing required parameters (namespace or namespace_token) returns a validation error
- Rate limiting or quota exceeded returns a 429 error

## How this service works

List the keys held in a vault namespace with their metadata, without returning any ciphertext (requires the namespace_token)

## Output

A list of key names and associated metadata (such as creation timestamps or key identifiers) stored within the specified namespace, with no ciphertext or decrypted values included in the response

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "namespace": {
   "type": "string",
   "description": "Vault isolation scope"
  },
  "namespace_token": {
   "type": "string",
   "description": "One-time token issued when the namespace was claimed"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/vault-namespace-key-listing-527edc3d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentic-endpoints-testnet.oliver-835.workers.dev](https://www.zero.xyz/host/agentic-endpoints-testnet.oliver-835.workers.dev/llms.txt)