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Schema

Most API endpoints are at https://sandbox.billwerk.com/api/v1/ for the sandbox respectively https://app.billwerk.com/api/v1/ for the production system. Please note that the OAuth endpoint and some client-facing endpoints such as file downloads are not under api/v1/. Data is sent and received as JSON.

Our API expects and returns timestamps in the ISO 8601 format(YYYY-MM-DDTHH:MM:SS.sssssssZ).

Last updated on 4/26/2021 by alexkrytau
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