% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/guardrails__validate.R
\name{.validate_api_key}
\alias{.validate_api_key}
\title{Validate API Key for Backend}
\usage{
.validate_api_key(backend)
}
\arguments{
\item{backend}{LLM backend name}
}
\value{
Invisibly returns TRUE if valid
}
\description{
Checks that the required API key environment variable is set for the
specified backend. Throws an informative error if missing.
}
\keyword{internal}
