How Payish Works

Getting started with Payish is a breeze. Whenever you make a purchase or sale in the second-hand market, use Payish to generate a receipt. You can customize the receipt with relevant details and share it with the other party via email or other messaging platforms.

Sign and generate receipts in seconds

BankID, secure payments and a receipt generator makes Payish a transaction platform far beyond the standards. Organize, keep track and save important information about products and services with global access.

Co-Founder: Tarja Kälvelid and Gustav Frändfors

Benefits of Using Online Receipts

Online receipts are not just eco-friendly; they are also increasing security when shopping second hand.

With Payish, you can easily keep track of your purchases and sales in the second-hand market. The app’s digital receipts are easy to organize, search, and retrieve, saving you time and effort. Moreover, in case of returns or disputes, having an online receipt can be invaluable. Connect and talk to us on LinkedIn!

Why Choose Payish?

In an era where the second-hand market is booming, Payish is here to revolutionize the way consumers handle transactions. Our cutting-edge app offers a seamless and secure platform for generating online receipts, ensuring that both buyers and sellers have a hassle-free experience. With Payish, you can bid farewell to the traditional paper receipts and embrace the convenience of digitalization.

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Being a Swedish entity gives us an unfair advantage since Stockholm is one of the most innovative tech hubs in the world. We have access to talent and sitting down meetings with influential companies. We are happy to announce several collaborations.

Learn more about our partners.

Connect Sweden Investment Readiness Program
Payish - Connect Sweden Investment Readiness Program 90%
Payish API Plugin to e-Commerce
Payish API Plugin to e-Commerce 80%
Payish API Plugin to payment solutions
Payish API Plugin to payment solutions 50%

Your Ultimate Solution for Online Receipts for Consumers in the Second-Hand Market

Generate and sign receipts with BankID.

Discover Payish, the innovative app that streamlines transactions in the second-hand market through secure online receipts. Make your buying and selling experience seamless!

Features that Set Payish Apart

Payish is packed with features designed to make your transactions in the second-hand market as smooth as possible. Our user-friendly interface ensures that you can generate receipts with just a few taps. The app’s robust security measures keep your data safe, while the cloud-based storage allows you to access your receipts anytime, anywhere.

Join the Payish Community Today!

Don’t miss out on the opportunity to streamline your transactions in the second-hand market. Join the growing community of Payish users and experience the future of online receipts. Download Payish today and take the first step towards a more organized and efficient buying and selling experience.


Payish Receipt Signer 👍


Generate and sign receipts with BankID.

1. Description:
For consumers in the secondhand market: The app offers a secure and convenient way for consumers to authenticate and sign receipts with BankID, ensuring transaction integrity, authenticity, reducing fraud, and facilitating insurance claims.

2. Target Audience:
Consumers: People who frequently engage in secondhand transactions or transactions that require receipt authentication.
E-commerce platforms: Online shopping platforms that require digital signatures for transaction authentication.

3. Channels:
App Stores: The app can be made available on app stores such as Google Play Store and Apple App Store.
Website: A dedicated website for the app where users can download and learn more about its features.
Partnerships: Collaborate with e-commerce platforms and retail companies to integrate the app into their systems, such as Blocket and auction houses.

4. Customer Relations:
Customer Support: Provide excellent customer support to resolve issues and answer questions.
Updates and Improvements: Regularly update the app with new features and improvements based on customer feedback.

5. Revenue Streams:
Premium Fee: A monthly or yearly fee for using the app more than once.
Transaction Fees: €0.5 fee for each transaction signed with the app.
Business Plans: Offer special plans for businesses with additional features and support.
Affiliate Business: Collaborate with other companies and earn commissions for insights into the secondhand market.

6. Key Resources:
Development Team: A team of developers to build, maintain, and update the app.
Customer Support Team: A team to provide support to users.

7. Key Activities:
Customer Engagement: Engage with customers to gather feedback and improve the app.

8. Cost Structure:
Development Costs: Costs associated with developing and maintaining the app.
Marketing Costs: Costs for marketing and advertising the app.
Operating Costs: Costs for customer support, software, etc.
BankID Fees: Fees paid to BankID for using their services.

The given cost estimates are approximate and depend on the complexity and scale of the project:

Small Scale (Simple App): Approximately 200,000 - 500,000 SEK
Medium Scale (Moderate Complexity): Approximately 500,000 - 1,500,000 SEK
Large Scale (High Complexity and Advanced Features): Over 1,500,000 SEK

Payish apply Swedish financial technology to the multi person payment market. A simplified and improved check out experience for buyers and sellers on the Internet.  Working with Almi, AdomatIQ, Microsoft, Pennybridge. 

We work and go to bed, not much more during the winter due to the cold climate. Summer is much more pleasant although the seasons all have silver linings in Sweden. Payish staff does work remote all of the time and our coworkers are free to have time off when needed. We meet in person from time to time. Payish workshops are associated with Microsoft Reactor in the heart of Stockholm.

Connect with us on LinkedIn!


Top Stories


Welcome Filip Frändfors

Filip Frändfors will contribute creativity and expertise from the Swedish second hand market. We are happy to have you!


Partnership agreement

We do need talent at MAVIS PAY AB and Affärshögskolan provides it after signing a partnership agreement. Maria Koppang is accepted as an intern at Payish this semester. You will learn to know her expertise in sales and communication. Welcome Maria!


BNPL - Buy now pay later trend

We do like the progression of webshopping and especially how some of our friends at Klarna does construct their value proposition. They are saying: "Buy now, pay later is an alternative to credit and gives you the flexibility to shop what you want, when you want, without breaking the bank. When you split the cost of your purchase into 4 smaller payments with Klarna, you’ll never pay any interest. Ever."


Prague 2022

CN Group Partner Days was arranged in Prague. Payish and Loopify was represented among recognized brands in order to discuss and learn more. The video is a breif summary of two days in September.


Payish support center



Technical documentations and videos - Find the API documentation.



Learn about how our services can help your business. Call sales: 0046-704-412-935

Payish API Plugin to e-Commerce
Payish API Plugin to e-Commerce 80%
Payish API Plugin to payment solutions
Payish API Plugin to payment solutions 50%


Premium: Technical integrations to your store are made on request.

More information or special agreements please contact