X402 Python SDK 접속 튜토리얼

pip install acedatacloud acedatacloud-x402

pip install 'acedatacloud-x402[cli]'

acedatacloud 2026.4.26.1
acedatacloud-x402 2026.5.31.3
imports_ok True True True True True True
usage: acedatacloud-x402 [-h] {approve-permit2} ...
approve-permit2  One-time ERC-20 approve(Permit2, amount) needed before signing upto payments.

import os

from acedatacloud import AceDataCloud
from acedatacloud_x402 import EVMAccountSigner, create_x402_payment_handler

signer = EVMAccountSigner.from_private_key(os.environ["EVM_PRIVATE_KEY"])

client = AceDataCloud(
    payment_handler=create_x402_payment_handler(
        network="base",
        evm_signer=signer,
    )
)

res = client.openai.chat.completions.create(
    model="gpt-4o-mini",
    messages=[{"role": "user", "content": "Say hi in 3 words"}],
    max_tokens=10,
)

print(res["choices"][0]["message"]["content"])

payer 0xd0479FA9FD8C678303d477433d24C15e3723CC1C
elapsed_ms 4786
content ADC_PY_SDK_X402_OK
id chatcmpl-DlcWajqAHOop3iebmO19XRfT5bTPz

client = AceDataCloud(
    payment_handler=create_x402_payment_handler(
        network="skale",
        evm_signer=signer,
    )
)

import os

from acedatacloud import AceDataCloud
from acedatacloud_x402 import SolanaKeypairSigner, create_x402_payment_handler

client = AceDataCloud(
    payment_handler=create_x402_payment_handler(
        network="solana",
        solana_signer=SolanaKeypairSigner.from_base58(os.environ["SOLANA_SECRET_KEY"]),
    )
)

res = client.openai.chat.completions.create(
    model="gpt-4o-mini",
    messages=[{"role": "user", "content": "Say hi in 3 words"}],
    max_tokens=10,
)

import os

from acedatacloud import AsyncAceDataCloud
from acedatacloud_x402 import EVMAccountSigner, create_x402_payment_handler

signer = EVMAccountSigner.from_private_key(os.environ["EVM_PRIVATE_KEY"])

client = AsyncAceDataCloud(
    payment_handler=create_x402_payment_handler(
        network="base",
        evm_signer=signer,
    )
)

res = await client.openai.chat.completions.create(
    model="gpt-4o-mini",
    messages=[{"role": "user", "content": "Say hi in 3 words"}],
    max_tokens=10,
)

client = AceDataCloud(
    payment_handler=create_x402_payment_handler(
        network="base",
        evm_signer=signer,
        prefer_scheme="upto",
    )
)

payer 0x5d4f08D5c2bb60703284bc06671Eb680fA41B105
elapsed_ms 5104
content ADC_BASE_UPTO_OK
id chatcmpl-DlcbyS4IT8kUAMo4Ri97HiIHc9T8V
settlement tx 0x4b0b836ce1cd1171cdbc37df1637150b024214ec28e7f6f2d09122f15cbfc036
settled value 3 atomic USDC

explorer https://basescan.org/tx/0x4b0b836ce1cd1171cdbc37df1637150b024214ec28e7f6f2d09122f15cbfc036
block 46726437
transfer value 3 atomic USDC

X402_PRIVATE_KEY=0x... acedatacloud-x402 approve-permit2 --network base

from acedatacloud_x402 import EVMAccountSigner, approve_permit2

approve_permit2(
    rpc_url="https://mainnet.base.org",
    signer=EVMAccountSigner.from_private_key("0x..."),
    token_address="0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
)

import base64
import json

from acedatacloud_x402 import EVMAccountSigner, sign_evm_payment

envelope = sign_evm_payment(requirement, EVMAccountSigner.from_private_key("0x..."))
x_payment = base64.b64encode(json.dumps(envelope, separators=(",", ":")).encode()).decode()