# Halowerk Tempo – Redirect Byte Transfer Check

> Halowerk Tempo – Redirect Byte Transfer Check is a paid API for AI agents from tempo.halowerk.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-16).

Checks the transferred byte size for a redirect object at a given URL, measuring how much data is sent during HTTP redirects.

## Facts

- Endpoint: POST https://tempo.halowerk.com/v1/pruef/tempo/gewicht/weiterleitung
- 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/halowerk-tempo-redirect-byte-transfer-check-23f54c66
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_0Thl4PWnTff2oP1t1VOQh

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-tempo-redirect-byte-transfer-check-23f54c66 -d '<json body>'
```

Example prompt: Can you check how many bytes are transferred during the redirect on https://example.com/old-page and tell me if it looks bloated?

## When to prefer this

Use this endpoint when you specifically need to measure the transferred byte size during HTTP redirects for a given URL or page element, particularly for web performance auditing, SEO analysis, or diagnosing redirect overhead. It is part of a broader suite of performance checks on tempo.halowerk.com and is ideal when redirect data weight is the metric of interest rather than other performance dimensions like TTFB or render start time.

## Known failure modes

- URL is not publicly accessible — request fails or times out
- Target URL does not perform a redirect — no redirect finding available
- URL exceeds max length of 2048 characters — validation error
- CSS selector matches no element or multiple elements — first match used or error returned
- Non-HTTP/HTTPS protocol URLs rejected — validation error

## How this service works

Prüft am Objekt weiterleitung den Befund übertragene Bytemenge.

## Output

Returns the byte size measurement of the data transferred during the redirect for the specified URL or object, providing a numeric finding indicating how much data the redirect sends.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "ziel": {
   "oneOf": [
    {
     "type": "string",
     "maxLength": 2048,
     "minLength": 1,
     "description": "Öffentliche HTTP(S)-Adresse; bei DNS-Befunden Domain oder öffentliche IP."
    },
    {
     "type": "object",
     "required": [
      "adresse"
     ],
     "properties": {
      "adresse": {
       "type": "string",
       "maxLength": 2048,
       "minLength": 1
      },
      "selektor": {
       "type": "string",
       "maxLength": 240,
       "minLength": 1,
       "description": "CSS-Selektor: genau ein Objekt, sonst erster Treffer des Objektfilters."
      },
      "vergleich": {
       "type": "string",
       "maxLength": 2048,
       "description": "Öffentliche Vergleichsadresse für Link-, Sitemap- oder Sprachbefunde."
      },
      "user_agent": {
       "type": "string",
       "pattern": "^[A-Za-z0-9_-]{1,80}$"
      },
      "dkim_selektor": {
       "type": "string",
       "pattern": "^[A-Za-z0-9_-]{1,63}$"
      }
     },
     "additionalProperties": false
    }
   ]
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/halowerk-tempo-redirect-byte-transfer-check-23f54c66/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from tempo.halowerk.com](https://www.zero.xyz/host/tempo.halowerk.com/llms.txt)