Python SDK

pip install mppcash

import os
from mppcash import MPPCash

client = MPPCash(api_key=os.environ["MPPPAL_API_KEY"])

# Provision a new agent wallet
wallet = client.accounts.create(name="research-agent-prod")
print(wallet.account_id)        # acct_01j8k4x9p2qrst7yz
print(wallet.solana_address)    # 9xTz4KqR8...
print(wallet.usdc_token_account) # Fund this with USDC

# Get balance
balance = client.accounts.get_balance(wallet.account_id)
print(f"Balance: ${balance.balance_usdc} USDC")

# List wallets
wallets = client.accounts.list(limit=50)

transfer = client.transfers.create(
    from_account="acct_01j8k4x9p2qrst7yz",
    to="acct_02k9n5y3q7wpuv8ab",   # MPPCash account_id or raw SPL address
    amount="8.50",
    memo="Task reward: data-fetch-88",
    idempotency_key="task-88-reward",
)

print(transfer.status)        # "settled"
print(transfer.tx_signature)  # Solana signature

from mppcash import Agent

agent = Agent(
    wallet=os.environ["MPPPAL_WALLET_ID"],
    api_key=os.environ["MPPPAL_AGENT_KEY"],
)

# Automatic MPP payment on 402 responses
with agent.http_session() as http:
    response = http.post(
        "https://api.inference.xyz/summarize",
        json={"text": document_content},
    )
    print(response.json())

from mppcash import Agent

agent = Agent(
    wallet=os.environ["MPPPAL_WALLET_ID"],
    api_key=os.environ["MPPPAL_AGENT_KEY"],
    intent="session",
    session_cap="5.00",  # pre-authorize up to $5 USDC
)

# 500 inference calls → one Solana settlement at the end
with agent.http_session() as http:
    results = []
    for doc in documents:
        resp = http.post("https://api.inference.xyz/summarize", json={"text": doc})
        results.append(resp.json())

# Session closes on context exit — single on-chain settlement fires
receipt = agent.last_session_receipt
print(f"Settled: ${receipt.settled_usdc} USDC. Tx: {receipt.tx_signature}")

# Update policy (operator key required)
client.policy.update(
    account_id="acct_01j8k4x9p2qrst7yz",
    max_single_transfer=10,
    max_daily_spend=100,
    categories=["inference", "data"],
    require_memo=True,
    paused=False,
)

# Emergency pause
client.policy.pause("acct_01j8k4x9p2qrst7yz")

from mppcash.exceptions import MPPCashError, PolicyViolationError

try:
    transfer = client.transfers.create(...)
except PolicyViolationError as e:
    print(f"Blocked by policy: {e.message}")
    # escalate to operator, log event, etc.
except MPPCashError as e:
    print(f"API error {e.code}: {e.message}")