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This method allows to find person's active authentication methods.
Specification
Authorization
Verify the validity of access token
Return (401, 'Invalid access token') in case of validation fails
Verify that token is not expired
in case of error - return (401, 'Invalid access token')
Check user scopes in order to perform this action (scope = 'authentication_method:read_pis')
Return (403, 'Your scope does not allow to access this resource. Missing allowances: authentication_method:read_pis') in case of invalid scope(s)
Check that token contains person_id
in case of error - return (401, 'Invalid access token')
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