# HALOWERK buerowerk – Local Space Review Mail

> HALOWERK buerowerk – Local Space Review Mail is a paid API for AI agents from buero.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-14).

Sends a local space review email to a list of recipients via the buerowerk x402-paid API endpoint.

## Facts

- Endpoint: POST https://buero.halowerk.com/v1/baumarkt/mail/local-space-review?utm_source=zero.xyz
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/halowerk-buerowerk-local-space-review-mail-b92c1a02
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap__1KcrHtdRflwk35UIVgmZ

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 halowerk-buerowerk-local-space-review-mail-b92c1a02 -d '<json body>'
```

Example prompt: Send the local space review email to these three people: alice@example.com, bob@example.com, and carol@example.com.

## When to prefer this

Choose this endpoint when you need to send a local space review notification email to one or more recipients (up to 500 per call) via a paid, metered x402 API, especially within workflows that already handle USDC micropayments on Base Mainnet.

## Known failure modes

- Invalid email address format causes rejection of the entire batch
- Exceeds maximum of 500 recipients per call
- Empty recipients array returns a validation error
- Network or payment failure (x402) prevents delivery
- Recipient mail server rejects delivery (bounce)

## How this service works

HALOWERK buerowerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.

## Output

A JSON response confirming the email delivery outcome, typically indicating success or failure status for the batch of recipient email addresses provided.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "emails": {
   "type": "array",
   "items": {
    "type": "string",
    "maxLength": 320,
    "minLength": 1
   },
   "maxItems": 500,
   "minItems": 1
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/halowerk-buerowerk-local-space-review-mail-b92c1a02/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from buero.halowerk.com](https://www.zero.xyz/host/buero.halowerk.com/llms.txt)