mollie-api-python
Mollie API client for Python
Decision gist · record as of 2026-08-14
Yes. The package is actively maintained, has low install friction, carries a permissive BSD license, and has no known vulnerabilities. It is the official Mollie client and is well-suited for any Python web application that needs to accept payments via Mollie's service. Install it if you are building an e-commerce or subscription platform targeting European or international customers and want to support multiple payment methods through a single API.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python >= 3.10 and up-to-date OpenSSL or other SSL/TLS toolkit.
- A Mollie account and API key are required to use the client in test or live mode.
- Low install friction with a pure-Python wheel distribution.
License · maintenance · safety
BSD (permissive) — BSD license (permissive) allows use in commercial and private projects with minimal restrictions—you may use, modify, and distribute the code provided you include the license notice.
last release 2026-04-28 (108 days) · last repo commit 2026-08-03 · 128 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 107,287 downloads/mo, #12,618 on PyPI
Alternatives
Verify before relying
pip install mollie-api-python
from mollie.api.client import Client
mollie_client = Client()
mollie_client.set_api_key('test_YourApiKey')
payment = mollie_client.payments.create({
'amount': {'currency': 'EUR', 'value': '10.00'},
'description': 'My first API payment',
'redirectUrl': 'https://example.org/order/12345/',
'webhookUrl': 'https://example.org/mollie-webhook/'
})- Whether the package supports async/await patterns for payment operations.
- Rate limiting or retry behavior for API calls under high load.
- Detailed error handling and exception types for common failure scenarios.
What it is and what it does
The Mollie API client is a Python wrapper around the Mollie payment service, a European payment processor that handles transactions without fixed monthly costs or complex registration. It abstracts the HTTP details of Mollie's REST API, allowing developers to create payments, retrieve payment status, process refunds, and handle webhooks for payment status changes. The client supports a wide range of payment methods popular in Europe and beyond—iDEAL, Bancontact, SEPA transfers and direct debit, PayPal, Klarna (pay later, pay now, slice it), credit cards, and many others—all through a single unified interface.
The package is built on requests and requests_oauthlib for HTTP communication and OAuth handling. It has been in active development since 2014, with the current major version (v4) released in April 2026. The library is classified as production-stable and is maintained by the Mollie organization. Typical workflows involve creating a payment object with amount and redirect URL, storing the payment ID, sending the customer to Mollie's checkout, and then verifying payment status via webhook callbacks or direct API queries.
Use it for
- Accept iDEAL payments on a Dutch e-commerce site without building custom payment form logic.
- Integrate SEPA bank transfers and direct debit into a SaaS billing system for recurring charges.
- Offer Klarna pay-later options to customers in Nordic and Central European markets.
- Process refunds programmatically when orders are cancelled or returned.
- Verify payment status asynchronously via webhook callbacks to trigger order fulfillment.
- Support multi-currency transactions (EUR, USD, etc.) with automatic settlement conversion.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
The package is actively maintained, has low install friction, carries a permissive BSD license, and has no known vulnerabilities. It is the official Mollie client and is well-suited for any Python web application that needs to accept payments via Mollie's service. Install it if you are building an e-commerce or subscription platform targeting European or international customers and want to support multiple payment methods through a single API.
Install
mollie-api-python on PyPI
Before you install
Low install friction with a pure-Python wheel distribution. The package depends on requests, urllib3, and requests_oauthlib—all stable, widely-used libraries. Maintenance is active, with the last commit on 2026-08-03 and a release on 2026-04-28, indicating ongoing support.
Requires Python >= 3.10 and up-to-date OpenSSL or other SSL/TLS toolkit. A Mollie account and API key are required to use the client in test or live mode.
License in practice
BSD license (permissive) allows use in commercial and private projects with minimal restrictions—you may use, modify, and distribute the code provided you include the license notice.
Quickstart
pip install mollie-api-python
from mollie.api.client import Client
mollie_client = Client()
mollie_client.set_api_key('test_YourApiKey')
payment = mollie_client.payments.create({
'amount': {'currency': 'EUR', 'value': '10.00'},
'description': 'My first API payment',
'redirectUrl': 'https://example.org/order/12345/',
'webhookUrl': 'https://example.org/mollie-webhook/'
})Verify before relying
- Whether the package supports async/await patterns for payment operations.
- Rate limiting or retry behavior for API calls under high load.
- Detailed error handling and exception types for common failure scenarios.
Package facts
| License | BSD permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 3 packagesrequestsurllib3requests_oauthlib |
| Maintenance | Actively maintained 108 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 107,287 / month, #12,618 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersLicense :: OSI Approved :: BSD LicenseProgramming Language :: PythonProgramming Language :: Python :: 3Topic :: Office/Business :: Financial |
Evidence: mollie_api_python-4.0.0-py3-none-any.whl
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