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With our next release the new field 'state' will be available on all company profiles. If on a company profile the country field is filled with either 'United States', 'Canada', or 'Mexico', an additional standard field will be available to select the 'state'. The 'state' field includes all relevant states of the respective country in a drop-down list. The value of 'state' in the JSON is always a two-letter code.
API rate limiting
If we monitor excessive API calls over a longer period, we reserve the right to set a rate limiting or to charge for these calls.