sumup 0.3.0

Official Python SDK for the SumUp API.

SumUp Python SDK

IMPORTANT: This SDK is under development. We might still introduce minor breaking changes before reaching v1.

The Python SDK for the SumUp API.

Installation

Install the latest version of the SumUp SDK:

pip install sumup
# or
uv add sumup

Usage

Synchronous Client

import os

from sumup import Sumup

client = Sumup(api_key="sup_sk_MvxmLOl0...")

# Get merchant profile
merchant = client.merchants.get(merchant_code=os.environ["SUMUP_MERCHANT_CODE"])
print(f"Merchant: {merchant.merchant_code}")

Async Client

import asyncio
import os

from sumup import AsyncSumup

async def main():
    client = AsyncSumup(api_key="sup_sk_MvxmLOl0...")

    # Get merchant profile
    merchant = await client.merchants.get(merchant_code=os.environ["SUMUP_MERCHANT_CODE"])
    print(f"Merchant: {merchant.merchant_code}")

asyncio.run(main())

Creating a Checkout

import os
import uuid

from sumup import Sumup

client = Sumup(api_key="sup_sk_MvxmLOl0...")
merchant_code = os.environ["SUMUP_MERCHANT_CODE"]

# Create a checkout
checkout = client.checkouts.create(
    amount=10.00,
    currency="EUR",
    checkout_reference=str(uuid.uuid4()),
    merchant_code=merchant_code,
    description="Test payment",
    redirect_url="https://example.com/success",
    return_url="https://example.com/webhook",
)

print(f"Checkout ID: {checkout.id}")
print(f"Checkout Reference: {checkout.checkout_reference}")

Creating a Reader Checkout

from sumup import Sumup

client = Sumup(api_key="sup_sk_MvxmLOl0...")

# Create a reader checkout
reader_checkout = client.readers.create_checkout(
    reader_id="your-reader-id",
    merchant_code="your-merchant-code",
    total_amount={
        "value": 1000,  # 10.00 EUR (amount in cents)
        "currency": "EUR",
        "minor_unit": 2,
    },
    description="Coffee purchase",
    return_url="https://example.com/webhook",
)

print(f"Reader checkout created: {reader_checkout}")

Version Support Policy

sumup-py maintains compatibility with Python versions that have not passed end-of-life. As of June 8, 2026, that means Python 3.10 through 3.14. See Status of Python versions.