---
title: "US street address matching and deduplication: generates an AI-powered similarity key for a street address, so variations in abbreviations, unit numbers, and directionals ('201 Spear St Ste 1100' vs '201 Spear Street, Suite 1100') produce the same key. Group on the key to find duplicate addresses, households, and locations. An optional ZIP code improves precision."
method: GET
path: "/getaddressmatchadvanced"
tags: ["data-matching"]
---

# US street address matching and deduplication: generates an AI-powered similarity key for a street address, so variations in abbreviations, unit numbers, and directionals ('201 Spear St Ste 1100' vs '201 Spear Street, Suite 1100') produce the same key. Group on the key to find duplicate addresses, households, and locations. An optional ZIP code improves precision.

`GET /getaddressmatchadvanced`

## Request

- Base URL: `https://api.interzoid.com`
- URL: `https://api.interzoid.com/getaddressmatchadvanced`
- Auth: one of:
  - API key in header `x-api-key`
  - none

## Query parameters

- `address` string, required
- `zip` string

## Response `200`

Successful response

## Other responses

- `400`: Missing or invalid parameters
- `402`: Payment Required. Returns an x402 challenge with payment requirements in the Payment-Required header and JSON body.

---

[API](https://skmtc.dev/interzoid/apis/interzoid-data-quality-and-enrichment-apis.md) - [All operations](https://skmtc.dev/interzoid/apis/interzoid-data-quality-and-enrichment-apis/llms.txt) - [OpenAPI document](https://skmtc.dev/interzoid/apis/interzoid-data-quality-and-enrichment-apis/revisions/545fadba397f?raw)