pip install agentpay-x402            # core (Stellar)
pip install "agentpay-x402[base]"    # + pay tools that settle on Base

from agentpay import quickstart

s = quickstart()                                   # registers + mints a wallet
print(s.call("token_price", {"symbol": "ETH"})["result"]["price_usd"])
print(s.spending_summary())                        # receipt: every call, cost, tx

s = quickstart(max_spend="0.50")                   # cap this run at $0.50
s = quickstart(secret_key="S...", base_key="0x...")  # your wallet (Stellar + Base)

from agentpay import quickstart, BudgetExceeded

# quickstart() registers + mints a wallet; the returned session is also a
# context manager, so you can `with` it for a printed receipt on exit.
# Budget caps are exact: max_spend=0.10 (float) == "0.10" (str).
with quickstart(max_spend=0.10) as session:

    # Price an entire multi-tool plan BEFORE spending anything (free, no wallet)
    plan = session.estimate_plan(["token_price", "pre_trade_check", "session_create"])
    plan["total_usdc"], plan["fits_budget"]   # per-step costs + cheaper alternatives inside

    # Reason about cost before committing (use the *_usd Decimals for comparisons)
    if session.would_exceed(session.tool_cost_usd("dune_query")):
        alt = session.suggest_cheaper("dune_query")   # {"name": ..., "price": ...}

    # Call a tool — budget enforced before any payment is signed
    r = session.call("token_price", {"symbol": "ETH"})
    r.data["price_usd"]    # inner tool output  (r["result"]["price_usd"] still works)
    r.cost                 # payment amount, e.g. "0"
    r.network              # settlement chain, e.g. "stellar-mainnet" / "base"

    session.remaining_usd()   # Decimal('0.10')

    # For an external x402 tool that offers several chains, pick one:
    # session.call("https://some-x402-tool/endpoint", {}, chain="base")

    # Full receipt — every call, cost, tx hash, and settlement chain
    print(session.spending_summary())
    # {
    #   "calls": 1, "spent": "$0", "remaining": "$0.1", "budget": "$0.1",
    #   "breakdown": [
    #     {"tool": "token_price", "cost": "Free", "tx_hash": "", "network": "stellar-mainnet"}
    #   ]
    # }

from agentpay import AgentWallet, Session

wallet = AgentWallet(secret_key="S...", network="mainnet")   # or quickstart()'s minted wallet
with Session(wallet,
             gateway_url="https://agentpay.tools",
             max_spend=0.10,
             allowed_tools=["token_price", "gas_tracker", "web_search"],
             max_per_tool={"dune_query": 0.02},
             rate_limit=10,                # max 10 calls/min
             prefer_chain="base") as session:   # Base is the default; pass "stellar" to override
    ...

from agentpay import quickstart

with quickstart() as session:

    snapshot = session.call("market_snapshot", {})
    rates    = session.call("funding_rates",    {"asset": "ETH"})
    oi       = session.call("open_interest",    {"symbol": "ETH"})
    fg       = session.call("fear_greed_index", {})
    whales   = session.call("whale_activity",   {"token": "ETH", "min_usd": 500_000})

    m = snapshot["result"]
    print(f"S&P:       {m['sp500_price']:,.0f}  ({m['sp500_change_pct']:+.2f}%)")
    print(f"ETH:       ${m['eth_price_usd']:,.0f}")
    print(f"Gas:       {m['gas_standard_gwei']} gwei")

    avg_rate = sum(e["funding_rate_pct"] for e in rates["result"]["rates"]) / len(rates["result"]["rates"])
    print(f"Funding:   {avg_rate:+.4f}%/8h")
    print(f"OI 24h:    {oi['result']['oi_change_24h_pct']:+.2f}%")
    print(f"Sentiment: {fg['result']['value_classification']}")
    print(f"Whale vol: ${whales['result']['total_volume_usd']:,.0f}")

    print(session.spending_summary())

npx skills add romudille-bit/agentpay

/plugin marketplace add romudille-bit/agentpay
/plugin install agentpay@agentpay