EARLY ACCESS

The prompt registry
built for production.

Version, evaluate, and ship prompts with confidence. Lexio gives your team a single controlled layer between your code and your LLMs.

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Version controlLLM evaluationUsage analytics

Version every prompt

Track stable and draft revisions. Roll back instantly. Never ship a broken prompt again.

Live invocation analytics

See which prompts are called, when, and how fast. Paginated API access included.

Encrypted at rest

Prompt templates stored with Vault-backed AES-256 encryption and scoped API keys.

SDK

Fetch live prompts
in one line.

Integrate in seconds. The SDK handles caching, retries, and variable interpolation automatically.

import { LexioClient } from 'lexio-sdk';

const lexio = new LexioClient({
  apiKey: process.env.LEXIO_API_KEY,
});

const prompt = await lexio.getPrompt('customer-reply', {
  customerName: 'Ada',
  issue: 'billing',
});

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