@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