Address Verification

Address Verification API Documentation

Address Verification API - Detailed Documentation

The Address Verification API is designed to support the management of address data by providing comprehensive address verification, validation, and cleansing functionalities.

API Playground:

/address/verify

You can try the address verify endpoint here.

Endpoints Overview

1. Get Country Template: Retrieve required fields for address verification based on the country.
2. Validate Address: Check if a given address exists and normalize it if necessary.
3. Verify Address: Validate whether an individual can be matched to an address, including a match score, verification details, and handling corrections.
4. Cleanse Address: Normalize and format an address to meet standard conventions.

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Authentication

To access the Address Verification API, authentication is required. A Bearer Token must be included in every request.

• Tokens are valid for 60 minutes and must be refreshed after expiration.
• Refer to the Authentication for detailed steps on obtaining a token.
• Include the token in the Authorization header as follows:

Authorization: Bearer YOUR_ACCESS_TOKEN

API Base URL

Production:

https://api-umbrella.io/api/services

Sandbox:

https://sandbox-umbrella-api.azurewebsites.net/api/services

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1. Verify Address

Endpoints

POST /address/verify

Description

Verifies if an individual can be matched to a given address, including validation, a match quality score, and potential corrections.

Required Headers

Header	Value
Content-Type	application/json
Authorization	Bearer yourAccessToken

Request Body Parameters

Field	Type	Required	Description
country	string	Yes	ISO 3166-1 Alpha-2/Alpha-3 country code (e.g., DE, AT, ES).
address.street	string	Yes	Street name.
address.number	string	Yes	House or building number.
address.zip	string	Yes	Zip or post code.
address.city	string	Yes	Town or city name.
address.province	string	No	District, province, or state.
identity.firstname	string	Yes	First name of the person.
identity.lastname	string	Yes	Last name of the person.
identity.dob	string	Yes	Date of birth in the format YYYY-MM-DD.
phone.phonenumber	string	No	Phone number in international format without special characters like ”+“

Response Structure

Field	Type	Description
inputAddress	string	Raw address provided.
correctedAddress	string	Corrected version of the address.
finalAddress	string	Final confirmed address.
addressStatus	string	Status after verification (corrected, unchanged).
addressComponents	object	Detailed components of the final address.
matchQuality	string	Match level (EXACT, HOUSEHOLD_MATCH, etc.).
score	integer	Confidence score (0-100).
globalResult	object	Overall operation status (OK, NOK, REVIEW, ERROR).
identity	object	Details of the identity as found in the search.
extendedMessage	string	Detailed feedback. Enum: addressCorrected, postCodeMatch, localityMatch, cityMatch, districtMatch, previousAddress, incorrectAddress, identityNotFound, deceased, addressFakeSuspicion, noMatch, skippedDOB.

Match Quality Table

Match Quality	Description
EXACT	All input matches perfectly.
HOUSEHOLD_MATCH	Household-level match found.
PARTIAL_MATCH	Not all inputs matched perfectly but a number of inputs match. Review suggested.
HOUSENUMBER_MATCH	House/building number matches, others may not.
STREET_MATCH	Street-level match.
CITY_MATCH	Zip, district, or city-level match.
IDENTITY_MISMATCH	Matched at zip, district or city level; useful for regional approximations.
NO_MATCH	No person or address match found.

Global Result Table

Global Result	Description
OK	Verification successful. All details match correctly.
NOK	Verification failed. Mismatched or invalid data.
REVIEW	Verification requires manual review.
ERROR	Verification failed due to a system or input error.

Extended Message Table

Message	Description
addressCorrected	Address matched after applying corrections to the format.
postCodeMatch	Identity matched at the postcode level only.
localityMatch	Identity matched at locality level only.
cityMatch	Identity matched at city level only.
districtMatch	Match found only at district level.
NoCity	High probability person match on a real address, but incorrect City provided, rest of the address was correct.
NoStreet	High probability person match on a real address, but incorrect Street provided, rest of the address was correct.
NoPostCode	High probability person match on a real address, but incorrect Postcode provided, rest of the address was correct.
previousAddress	Address linked to person’s previous residence.
incorrectAddress	Identity matched, but address does not belong to them.
addressFound	Address is formally correct but no personal link found.
identityNotFound	Identity cannot be found at the given address.
deceased	Person is likely deceased, matched against death table.
addressFakeSuspicion	Address flagged as potentially fake.
noMatch	Neither person nor address matched.
skippedDOB	DOB check skipped due to missing source data.
dobPartial	DOB details only partially matched, could be incorrect date, month, or year.
dobFailedFull	DOB details - day, month, and year, did not match database.
lastNameOnly	Only lastname/surname was matched.
firstNameOnly	Only first name was matched.

Example Request

{
"country": "AT",
"address": {
  "street": "Kampgasse",
  "number": "9",
  "zip": "3492",
  "city": "Etsdorf",
  "province": ""
},
"identity": {
  "firstname": "Joe",
  "lastname": "Cardholder",
  "dob": "1970-12-01"
},
"phone": {
  "phonenumber": "[phone]"
}
}

Example Response

{
    "inputAddress": "Kampgasse 9, 3492, Etsdorf, AT",
    "correctedAddress": "Kampgasse 9, 3492 Etsdorf, AT",
    "finalAddress": "Kampgasse 9, 3492 Etsdorf, AT",
    "addressStatus": "unchanged",
    "addressComponents": {
        "street": "Kampgasse",
        "number": "9",
        "zip": "3492",
        "city": "Etsdorf",
        "country": "AT"
    },
    "matchQuality": "EXACT",
    "score": 100,
    "globalResult": {
        "overall": "OK",
        "totalScore": 100
    },
    "identity": {
        "fullName": "Joe Cardholder",
        "dob": "1970-12-01"
    },
    "extendedMessage": "Full match"
}

Verification Test Cases

Please refer above for the Sandbox URL and endpoint to use, to try these test cases or try them in the API Playground here

Input Table

Test Case	Description	Street	Number	ZIP	City	Country	First Name	Last Name	DOB
1	Full match	Kampgasse	9	3492	Etsdorf	AT	Joe	Cardholder	1970-12-01
2	Corrected full match	Billrothstr.	39/16	1190	Wien	AT	Wilma	Wohndtort	1998-03-05
3	Street number match	Billrothstraße	39	1190	Wien	AT	Wilma	Wohndtort	1998-03-05
4	Street level match	Billrothstraße	3/16	1190	Wien	AT	Wilma	Wohndtort	1998-03-05
5	Postcode match	Döblinger Hauptstraße	4/1	1190	Wien	AT	Wilma	Wohndtort	1998-03-05
6	No match	Edlinger Hauptstraße	12/7	12345	Berlin	DE	Hans	Dampf	1998-03-05
7	Identity not found	Seegasse	1	1000	Lachen/Zürich	CH	Hubert	Spion	1901-01-01
8	ZIP corrected	Kampgasse	9	3496	Etsdorf	AT	Joe	Cardholder	1970-12-01
9	Household match	Kampgasse	9	3492	Etsdorf	AT	Jane	Cardholder	1970-12-01

Output Table

Test Case	Final Address	Address Status	Match Quality	Score	Overall Result
1	Kampgasse 9, 3492, Etsdorf, AT	unchanged	EXACT	100	OK
2	Billrothstraße 39/16, 1190 Wien, AT	corrected	EXACT	95	OK
3	Billrothstraße 39, 1190 Wien, AT	unchanged	HOUSENUMBER_MATCH	80	OK
4	Billrothstraße 3/16, 1190 Wien, AT	unchanged	CITY_MATCH	50	REVIEW
5	Döblinger Hauptstraße 4/1, 1190 Wien, AT	unchanged	CITY_MATCH	50	REVIEW
6	Edlinger Hauptstraße 12/7, 12345 Berlin, DE	unchanged	NO_MATCH	25	NOK
7	Seegasse 1, 1000, Lachen/Zürich, CH	unchanged	NO_MATCH	0	NOK
8	Kampgasse 9, 3492, Etsdorf, AT	corrected	EXACT	95	OK
9	Kampgasse 9, 3492, Etsdorf, AT	unchanged	HOUSEHOLD_MATCH	80	OK

2. Get Country Template (Upcoming Service)

Description

Retrieve the required fields for address verification for a given country. Use this endpoint to ensure all mandatory fields are provided when performing address verification.

3. Validate Address (Upcoming Service)

Description

Validates if a given address exists. If corrections are necessary, the response includes both the original and corrected versions of the address.

4. Cleanse Address (Upcoming Service)

Description

Normalizes and formats an address to adhere to standard address conventions.