Java SDK

Pure JDK — uses java.net.http (HttpClient + WebSocket) with a small built-in JSON parser. Source lives in sdk/java; requires Java 21+.

Usage

import io.promptops.PromptOpsClient;
import java.util.Map;

PromptOpsClient client = new PromptOpsClient(
    "http://localhost:8080", "prod", "promptops-dev-token");

// Fetch a prompt by key (locally cached)
var prompt = client.getPrompt("sql.generator");

// Render template variables
String text = client.render("sql.generator", Map.of("question", "list all users"));

// Subscribe to hot-reload
client.watch(key -> System.out.println("hot-reloaded: " + key));

API

Method	Description
new PromptOpsClient(server[, namespace, token])	Create a client
getPrompt(key[, refresh])	Fetch a prompt; cached by default
render(key, variables)	Fetch and render
watch(onUpdate)	Open the WebSocket and auto-refresh the cache
close()	Close the connection

PromptOpsClient.renderTemplate(content, variables) is a static method you can call directly.