# U.S. Congressional District Lookup by Address

> U.S. Congressional District Lookup by Address is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-30).

Returns the U.S. congressional district context for a given U.S. address using the Census Geocoder.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/pulse-census-district-context-analysts?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-30
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/u-s-congressional-district-lookup-by-address-0a68771c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_KysTUcbZ_qpBVNRLeT6Ub

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 u-s-congressional-district-lookup-by-address-0a68771c -d '<json body>'
```

Example prompt: What congressional district is 4600 Silver Hill Rd, Washington, DC 20233 in? Use the Census Geocoder to look it up.

## When to prefer this

Use this endpoint when you need to programmatically identify the U.S. congressional district for a given street address, especially for civic applications, voter outreach, legislative routing, or policy analysis. It leverages the authoritative U.S. Census Geocoder, making it preferable over third-party district lookup services when accuracy and official sourcing matter. Best for U.S., Puerto Rico, and U.S. Island Area addresses only.

## Known failure modes

- Address not found or unrecognized — Census Geocoder returns no match
- Address outside covered geography (non-U.S. locations) — returns error or empty result
- Malformed address string — may result in failed geocoding
- Ambiguous address with multiple matches — may return first match or require disambiguation
- Service unavailable — upstream Census API downtime

## How this service works

Address congressional district context for Analysts: Address congressional district context using the U.S. Census Geocoder. Coverage is limited to the United States, Puerto Rico, and U.S. Island Areas.

## Output

Returns the congressional district context for the provided U.S. address, including district number and related geographic identifiers derived from the U.S. Census Geocoder. Coverage is limited to the United States, Puerto Rico, and U.S. Island Areas.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "address": {
   "type": "string",
   "default": "4600 Silver Hill Rd, Washington, DC 20233"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/u-s-congressional-district-lookup-by-address-0a68771c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)