Is there a rate limit on the API?
Address Validation API has a default rate limit of 6000 Queries Per Minute (QPM). See Usage limits and billing for more information.
Is the Address Validation API CASS Certified™?
The United States Postal Service® (USPS®)1 maintains the Coding Accuracy Support System (CASS™) to support and certify address validation providers. The Address Validation API is a CASS Certified™ service that you can optionally use as part of the address validation process.
For more information, see Validate an address.
Google Maps Platform is a non-exclusive Licensee of the United States Postal Service®. The following trademark(s) are owned by the United States Postal Service® and used with permission: United States Postal Service®, CASS™, CASS Certified™. ↩