Address Autocomplete

In short

The Geoverio Address Autocomplete API suggests complete, valid US addresses as a user types, tolerating typos and partial input. Built for checkout and signup forms, it uses the same bearer token as every Geoverio API and starts on the free tier without a card.

Last reviewed 11 September 2026

Key facts

Base URL: https://autocomplete.geoverio.com
Auth method: Bearer key
Response format: JSON

Fast, typo-tolerant US address autocomplete

Get an API key Read the reference

About this API

Millisecond address suggestions and validation for signup and checkout forms. USPS-grade normalization included.

AuthBearer key

FormatJSON

Base URLhttps://autocomplete.geoverio.com

GET https://autocomplete.geoverio.com/v1/autocomplete

{
    "query": "1600 AMPH",
    "count": 3,
    "suggestions": [
        {
            "label": "1600 Amphitheatre Py, Mountain View, CA 94043",
            "house": "1600",
            "street": "Amphitheatre Py",
            "city": "Mountain View",
            "state": "CA",
            "zip": "94043",
            "lat": 37.4220221,
            "lon": -122.0842902,
            "tax_query": "1600 AMPHITHEATRE PY MOUNTAIN VIEW CA 94043"
        },
        {
            "label": "1600 Amphitheatre Pkwy, Mountain View, CA 94043",
            "house": "1600",
            "street": "Amphitheatre Pkwy",
            "city": "Mountain View",
            "state": "CA",
            "zip": "94043",
            "lat": 37.4220018,
            "lon": -122.0849364,
            "tax_query": "1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043"
        },
        {
            "label": "1600 Amphitheatre Parkway, Mountain View, CA 94043",
            "house": "1600",
            "street": "Amphitheatre Parkway",
            "city": "Mountain View",
            "state": "CA",
            "zip": "94043",
            "lat": 37.4230075,
            "lon": -122.0830662,
            "tax_query": "1600 AMPHITHEATRE PARKWAY MOUNTAIN VIEW CA 94043"
        }
    ]
}

Send your key as Authorization: Bearer <your key>. The full parameter list for this endpoint is in the reference.

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Frequently asked questions

What does the Address Autocomplete API do?

Fast, typo-tolerant US address autocomplete.

How do I authenticate with the Address Autocomplete API?

Send your key as a bearer token: `Authorization: Bearer <your key>`. One key works across every Geoverio API your plan includes.

Is there a free tier?

Yes. Every plan reaches every API; the free tier differs on monthly volume and rate limit, not on which endpoints you may call.