# polls.karbach.digital Bundestag Constituency Official Results

> polls.karbach.digital Bundestag Constituency Official Results is a paid API for AI agents from api.polls.karbach.digital, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-28).

Returns official Bundestag election results (first vote, second vote, turnout) for a given German constituency (Wahlkreis) across elections from 2013 to 2025.

## Facts

- Endpoint: GET https://api.polls.karbach.digital/v1/constituencies/:nr/results?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-28
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/polls-karbach-digital-bundestag-constituency-official-results-b06bb6fc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sel58cEEXwxrpmDIlnBYV

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 polls-karbach-digital-bundestag-constituency-official-results-b06bb6fc
```

Example prompt: What were the official first and second vote results and voter turnout for Bundestag constituency number 61 across all elections from 2013 to 2025?

## When to prefer this

Choose this endpoint when you need authoritative, source-attributed official Bundestag election results at the constituency level for any election from 2013 to 2025. It is the right choice for fact-checking, journalism, political research, or any task requiring verified first/second vote breakdowns and turnout figures per Wahlkreis — not polling or projections.

## Known failure modes

- Invalid constituency number (outside 1–299 range) returns an error or empty response
- Constituency number formatted incorrectly (e.g. leading zeros, non-numeric) rejected by schema validation
- Payment failure (x402) if USDC balance is insufficient
- Network timeout if the upstream data source is temporarily unavailable
- No data available for very recent elections not yet published by the Bundestag

## How this service works

Official Bundestag results of a constituency 2013 to 2025 (first and second vote, turnout). Use when asked for past official results of a constituency. Source-attributed, German data, updated every six hours.

## Output

Returns structured official electoral data for the specified constituency, including first vote (Erststimmen) and second vote (Zweitstimmen) results broken down by party, overall voter turnout percentage, and coverage spanning Bundestag elections from 2013 to 2025. Data is source-attributed and refreshed every six hours.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object",
     "required": [
      "nr"
     ],
     "properties": {
      "nr": {
       "type": "string",
       "pattern": "^[1-9][0-9]{0,2}$",
       "description": "Bundestag constituency number 1 to 299"
      }
     }
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/polls-karbach-digital-bundestag-constituency-official-results-b06bb6fc/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.polls.karbach.digital](https://www.zero.xyz/host/api.polls.karbach.digital/llms.txt)