client_id and client_secret upon signing up with Sypht. Use these to generate your reusable bearer token, which must be included in the Authorization header of each request. You can store and reuse these tokens for up to an hour.client_id and grant_type in the request body and colon separated, base64 encoded client_id and client_secret in a basic Authorization header. For example Basic {Base64(client_id:client_secret)}fileupload:all - result:all - validate:annotation -