SDK, REST, LangChain. Pick one.

import { BlackSheep } from "@blacksheep/sdk";

const bs = new BlackSheep({ apiKey: process.env.BS_API_KEY! });

const agent = await bs.agents.create({
  label: "research-bot",
  policy: {
    daily_limit_usdc: 200,
    max_tx_usdc: 25,
    approval_threshold_usdc: 50,
  },
});

const r = await bs.agents.send(agent.id, {
  to: "7xKX...recipient",
  amount: 12.5,
  memo: "data api invoice",
});
// → { status: "sent", signature: "5K..." }
// → { status: "pending_approval", approval_id: "..." }

// LangChain — let the LLM pay, gated by policy
import { blackSheepTools } from "@blacksheep/sdk/langchain";
import { ChatOpenAI } from "@langchain/openai";
import { AgentExecutor, createToolCallingAgent }
  from "langchain/agents";

const tools = blackSheepTools({
  apiKey: process.env.BS_API_KEY!,
  agentId: "uuid-of-the-agent-wallet",
});

const agent = await createToolCallingAgent({
  llm: new ChatOpenAI({ model: "gpt-4o-mini" }),
  tools,
  prompt,
});

await new AgentExecutor({ agent, tools }).invoke({
  input: "Pay 10 USDC to 7xKX... for the dataset",
});