# KiHustle Solidaritätszuschlag Check

> KiHustle Solidaritätszuschlag Check is a paid API for AI agents from kihustle.tech, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).

Checks whether a given text or income scenario is subject to the German Solidaritätszuschlag (solidarity surcharge) tax

## Facts

- Endpoint: POST https://kihustle.tech/nexus/api/v1/de-solidaritaetszuschlag-check
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kihustle-solidarit-tszuschlag-check-263c07f1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_1T2jdi3qpmDwH1lMEZR3X

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 kihustle-solidarit-tszuschlag-check-263c07f1 -d '<json body>'
```

Example prompt: Can you check whether the following income situation is subject to the German Solidaritätszuschlag: 'Freelancer with annual taxable income of 18,000 EUR, single, no church tax'?

## When to prefer this

Choose this endpoint when you need a quick automated check on whether a described German income situation triggers the Solidaritätszuschlag obligation, especially for freelancers, side hustle earners, or digital income scenarios operating under German tax law.

## Known failure modes

- Missing or empty text input returns an error or undefined result
- Malformed JSON body causes a 400-level response
- Ambiguous or non-German tax scenarios may yield unreliable results
- API downtime or server errors return a non-success status

## How this service works

Kostenlose Guides, Solo-Playbooks und Artikel zu KI, Automation und Side Hustles — für Menschen, die mit echten Systemen online Einkommen aufbauen wollen. Transparent finanziert über faire Affiliate-Links.

## Output

Returns a JSON object with a 'result' field indicating the processing outcome (e.g. 'processed') and a 'status' field confirming success or failure of the Solidaritätszuschlag eligibility check.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": "processed",
  "status": "success"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kihustle-solidarit-tszuschlag-check-263c07f1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kihustle.tech](https://www.zero.xyz/host/kihustle.tech/llms.txt)