AddressZen

Checks that a US address is real and gives it back corrected and written the way the postal service writes it.

Takes an incomplete or badly written address and returns the closest real address with a score for how well it matched.

Offers a ranked list of address suggestions while someone is typing into an address box.

Turns a chosen address suggestion into the complete address, written US-style.

Turns a chosen address suggestion into the complete address, written UK-style.

Finds complete addresses from a text search, or lists the addresses near a point on a map.

Lists every address at a given UK postcode.

Looks up one specific UK address using its permanent delivery-point number.

Looks up one specific flat or sub-unit inside a UK building by its household id.

Searches for places such as countries, cities, capitals and administrative areas by name.

Gets the full detail of a place, including its coordinates, from a place suggestion.

Checks whether an email address is real and able to receive mail before you send to it.

Checks that a phone number is valid and tells you its country and carrier.