Most of the APIs have an error response type but SMS (was built first and) didn't. This adds that, and removes some of the dependencies on internal types.
Note: Breaking change! Needs to release as a minor version bump rather than a patch bump (because we're still pre-1.0)
Most of the APIs have an error response type but SMS (was built first and) didn't. This adds that, and removes some of the dependencies on internal types.
Note: Breaking change! Needs to release as a minor version bump rather than a patch bump (because we're still pre-1.0)