List custom fields v3
Returns payload as a bare array; /v3.1/custom-fields returns the same records under payload.data.
Authentication
Authorizationstring
API Key authentication via header
Response
Get all custom fields
payload
Response payload, will be empty when success is false
success
Boolean with true=success, false=failure
message
Plain-text description of the result
error
json element with any error messages or warnings
Errors
500
Internal Server Error

