KintsugiKintsugi

Suggest addresses for a partial input

POST/addresses/suggestions

Return a list of suggested addresses that match a partial or ambiguous input, to power address autocomplete. The list is empty when there are no matches. Returns 400 if the country is not supported, and 503 if the address validation service is temporarily unavailable.

Authorization

Api-KeystringRequired

Your secret API key. Include it with every request.

Headers

Api-Versiondate

Release date, as YYYY-MM-DD. Defaults to 2026-07-21.

Organization-Idstring

Target organization id (Organization-Id selector).

Connection-Idstring

Target connection id; resolves to its organization.

Entity-Idstring

Platform entity id; resolves to a connection's organization.

Entity-Sourcestring

Optional source to disambiguate an Entity-Id.

Body

street1string

First line of the street address. An empty string when none was supplied.

street2string

Second line of the street address. An empty string when none was supplied.

citystring

City or locality. An empty string when none was supplied.

countystring

County or district. An empty string when none was supplied.

statestring

State or province code.

postalCodestring

Postal or ZIP code. An empty string when none was supplied.

countrystring

ISO-3166 alpha-2 country code.

fullAddressstring

Single-line full address, as an alternative to fields.

Response

citystring

City or locality. An empty string when none was supplied.

countystring

County or district. An empty string when none was supplied.

statestring

State or province of the suggested address.

postalCodestring

Postal or ZIP code. An empty string when none was supplied.

countrystring

ISO-3166 alpha-2 country code of the suggestion.

200

Successful Response

400

The request was invalid.

401

Authentication failed or was missing.

403

The credential is not permitted for this request.

404

The requested resource was not found.

409

The request conflicts with existing state.

422

The request failed validation.

503

A service this request depends on was unavailable. Retry the request.

cURL
POST /addresses/suggestions
-H "Api-Key: ***"
-H "Api-Version: 2026-07-21"
{
"street1": "123 Main St",
"street2": "Suite 400",
"city": "San Francisco",
"county": "San Francisco County",
"state": "CA",
"postalCode": "94107",
"country": "US",
"fullAddress": "123 Main St, San Francisco, CA 94107, US"
}
Response
[
{
"city": "San Francisco",
"county": "San Francisco County",
"state": "CA",
"postalCode": "94107",
"country": "US"
}
]
Suggest addresses for a partial input (2026-07-21) | Kintsugi API Reference