---
title: "Utility (TDU) serving a Texas ZIP code; empty = not in the competitive market"
method: GET
path: "/electricity/zip/{zip}"
---

# Utility (TDU) serving a Texas ZIP code; empty = not in the competitive market

`GET /electricity/zip/{zip}`

## Request

- Base URL: `https://texashomebills.com/api/v1`
- URL: `https://texashomebills.com/api/v1/electricity/zip/{zip}`
- Auth: one of:
  - none
  - API key in header `X-API-Key`
  - HTTP bearer

## Path parameters

- `zip` string, required

## Response `200`

JSON with an `attribution` block; every item has `url` and a ready `cite` line to show users

## Other responses

- `401`: invalid_api_key: the key is unknown or revoked (JSON with attribution and get_key)
- `429`: rate_limited: JSON with limit, window, reset (Unix time), reset_at, retry_after, get_key; Retry-After header

---

[API](https://skmtc.dev/texashomebills/apis/texashomebills-texas-electricity-plans-and-market-data-api.md) · [All operations](https://skmtc.dev/texashomebills/apis/texashomebills-texas-electricity-plans-and-market-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/texashomebills/apis/texashomebills-texas-electricity-plans-and-market-data-api/revisions/5f2562edbc2e?raw)