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Use these formats consistently when sending data to the Amplify API. Individual endpoint schemas may add further constraints.

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Phone numbers

Supply phone and fax numbers in E.164 format:
An E.164 number:
  • Begins with +.
  • Includes the country code and subscriber number.
  • Contains no spaces, parentheses, or hyphens.
  • Contains no more than 15 digits after the +.

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Dates and timestamps

Supply timestamps in ISO 8601 format. Use UTC when the value represents an exact moment in time:
Supply calendar dates without a time component as:

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PDF documents

Endpoints that accept PDF documents in JSON support one of these representations:
  • file_url: A publicly accessible URL for the PDF.
  • file_data: The complete PDF file encoded as a Base64 string.
When a request accepts multiple documents, provide them as objects in the endpoint’s document array.

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URLs

Supply complete URLs, including the scheme and hostname:

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Enumerated values

Enum values are case-sensitive and use snake_case unless an endpoint states otherwise. The API reference lists the supported values for each enumerated field. For example, fax_quality accepts low, standard, or hd.