Integrate WeShake power into your solutions

An API designed for developers

The WeShake API has been designed to allow simple, fast and secure integration of WeShake financial and payment services at the heart of your own applications. Thanks to a modular, documented and high-performance architecture, your teams can connect WeShake's key features to your existing systems in just a few minutes.

POST /api/v1/payments
{
"amount": 1000,
"currency": "EUR"
}

Main features

Complete payment management

Create, track and validate your transactions securely

Accounts and users

Manage WeShake accounts directly from your application

Reporting and notifications

Access real-time data and receive instant alerts

Accounting export

Your activity followed in real time, from your all-in-one tool.

Designed for performance

WeShake has designed a highly performant API, adapted to the needs of fintechs, SaaS platforms, ERP and business solutions:

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Ultra-fast response times thanks to optimized infrastructure

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Intuitive and consistent endpoints following RESTful standards

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Bank-level security, compliant with ACPR and PSD2 requirements

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Universal compatibility: Node.js, PHP, Python, .NET, and more

Developer Experience

A smooth developer experience

The WeShake API comes with clear documentation, concrete examples and a test environment to facilitate each integration step. Our technical teams support your developers throughout the implementation, for a friction-free integration.

Integrate WeShake into your online store

Your store collects payments, invoices and updates your management: information is centralised in real time, with no double entry.

Payment link

Generate a payment link from your store or your back office and follow it through to collection.

Electronic invoicing

Every order generates an invoice in the format the reform requires, sent automatically.

Catalogue

Your products and prices are shared between WeShake and your online store.

Instant stock management

An online sale decrements stock immediately, with no deferred processing.

Customer accounts

Customers from your store join your base: history, outstanding balances and reminders in one place.

Customer and payment management

Every sale updates the customer record, its outstanding balance and its payment tracking.

Every piece of information centralised in real time: bring your sales into your management tool.

All your management tools in one place

What your integration feeds: the WeShake tools are open to you, whichever universe you switch on.

  • Bank account
  • Customers
  • Dashboard
  • Calendar
  • Task manager
  • Reminders & follow-ups
  • Accounting export
  • Quotes
  • Electronic invoicing

Discover the other tools that will round out your management.

Discover the WeShake management tools

What the Developers universe costs

19 € excl. VAT/ month

The public WeShake API and the connection to all your environments are included in the Developers universe, which you can switch on and off whenever you want.

You can try every WeShake universe free for 2 months.

Join the WeShake ecosystem

With WeShake, companies develop faster, at lower cost and with more security. Join a community of publishers, startups and fintechs building tomorrow's finance on a solid and compliant foundation.

WeShake

The new generation of payment services for professionals

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© 2026 WeShake. All rights reserved.

WeShake is a simplified joint-stock company with share capital of €35,501.00, registered with the Paris Trade and Companies Register under number 918 285 644 and whose registered office is at 59 boulevard Exelmans 75016 Paris. WeShake is registered under REGAFI number 730084 as a payment service provider agent of OKALI, an electronic money institution registered with the Paris Trade and Companies Register under number 827 899 39, and whose registered office is located at 50 rue La Boétie, 75008 Paris. The electronic money institutions for which WeShake is an agent are approved and supervised by the Prudential Control and Resolution Authority (ACPR) - 4 Place de Budapest - 75436 Paris (www.acpr.banque-france.fr) and are members of the Deposit Guarantee and Resolution Fund (FGDR). Consequently, our clients' deposits are covered by the bank deposit guarantee up to €100,000 per client and under the conditions provided by law.

Try every WeShake universe free for 2 months, no card needed

Try free for 2 months