@meterxyz/sdk

Official SDK for the Meter AI API — metered, crypto-settled AI.

Install

npm install @meterxyz/sdk

Usage

import { MeterClient } from "@meterxyz/sdk";

const meter = new MeterClient({ apiKey: "mk_your_api_key" });

const stream = await meter.chat({
  messages: [{ role: "user", content: "What is quantum computing?" }],
  model: "openai/gpt-4o",
});

for await (const event of stream) {
  if (event.type === "delta") {
    process.stdout.write(event.content);
  }
  if (event.type === "usage") {
    console.log(`\nTokens: ${event.tokensIn} in, ${event.tokensOut} out`);
  }
}

API

new MeterClient(config)

| Option | Type | Description | |--------|------|-------------| | apiKey | string | Your Meter API key (starts with mk_) | | baseUrl | string | API base URL. Default: https://getmeter.xyz |

meter.chat(options)

Returns AsyncIterable<MeterEvent>.

| Option | Type | Description | |--------|------|-------------| | messages | ChatMessage[] | Chat messages (role + content) | | model | string | OpenRouter model ID. Default: anthropic/claude-sonnet-4-5-20250929 |

Events

| Event | Fields | Description | |-------|--------|-------------| | delta | content, tokensOut | Streamed text chunk | | usage | tokensIn, tokensOut | Final token counts | | done | — | Stream complete |

License

MIT