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The Smarty Connector supports the following operations:

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Address autocomplete

  • Retrieve an address list based on the end-user’s initial input.
    • The Smarty Connector triggers the US address autocomplete endpoint when country = “US”.
    • The Smarty Connector triggers the international address autocomplete endpoint when country != “US”.

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Address validation

  • Retrieve complementary address information, such as type of address (commercial, residential) or whether the address is suitable for mailing.

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Error mapping

The following table maps each Smarty Connector error code to its Grand Central counterpart:
Smarty Connector codeGrand Central code
Unauthorized/authentication requiredGC002
Method not allowedGC023
Bad requestGC025
international-autocomplete-apiGC025
us-autocomplete-apiGC025
us-street-apiGC025
Internal server errorGC025
Payment required errorGC025
Rate limit imposedGC031
Not foundGC054
For a complete list of Grand Central error codes and their descriptions, see Status codes, errors, and responses.