Integration Steps

Create Paysera Project

Get started with your donation campaign

→

Configure Project Settings

Set up project information and get your ProjectID and password

Essential credentials for integration

→

Generate Donation Button

Navigate to Project settings → Donation button → Generate

Customize button appearance and behavior

→

Add to Your Website

Copy the HTML code and insert it into your website

Start accepting donations immediately

Donation Button Generator

Customize your donation button and generate the HTML code instantly

Required Parameters

Project ID *Your Paysera project ID

Project Password *For MD5 signature generation

Order ID *Unique order identifier (use 0 for donations)

Accept URL *Page to redirect after successful payment

Cancel URL *Page to redirect after cancelled payment

Callback URLServer endpoint to receive payment notifications

Version *

Test ModeEnable for testing (no real payments)

Optional Parameters

Amount (in cents)Leave empty to let user choose amount

Currency

Button Styling

Button Text

Button Color

Text Color

Preset Colors:

Preview

Donate

Generated Code

<style>
#donateBtnSample {
  color: #ffffff;
  font-size: 17px;
  text-decoration: none;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: #136c9c;
  border-radius: 3px;
  padding: 11px 24px 14px 10px;
  display: inline-block;
}
#donateBtnSample img.donateBtnSampleLogo {
  padding: 3px 8px 3px 0px;
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  vertical-align: middle;
}
#donateBtnSample span.donateBtnSampleText {
  padding-left: 16px;
  vertical-align: middle;
}
</style>
<a href="https://www.paysera.com/pay/?data=&sign=YOUR_SIGNATURE_HERE" id="donateBtnSample">
  <img class="donateBtnSampleLogo" src="https://paysera.com/assets/image/donate-button/paysera-sign.png" alt="Paysera">
  <span class="donateBtnSampleText">Donate</span>
</a>

<!-- Note: Enter your project password above to generate a valid signature -->

⚠️ Important: Please enter your Project Password to generate a valid signature. The signature is calculated as: md5(data + your_project_password)

Key Features

Multiple Payment Methods

Accept donations via credit cards, bank transfers, e-wallets, and all Paysera payment methods.

Customizable Interface

Customize payment text, donor fields, and integrate with your website design.

Secure Processing

All payments processed through Paysera's secure, PCI-compliant infrastructure.

Real-time Notifications

Receive instant callbacks and send automated receipts to donors.

Multi-language Support

Support donations in multiple languages and currencies with auto-conversion.

Test Mode

Test your integration safely without processing real payments.

API Reference

POSThttps://www.paysera.com/pay/

Create Donation Payment

Create a donation payment using Paysera's checkout system with encoded payment parameters.

Authentication

Project Credentials

Uses ProjectID and project password for request signing with MD5 hash

Request

Query Parameters

Parameter	Type	Required	Description
`data`	string	Required	Base64-encoded payment parameters (URL-safe format)
`sign`	string	Required	MD5 hash signature: md5(data + password)

Request Body

Payment parameters encoded in the data parameter

Content-Type: application/x-www-form-urlencoded

▶ Request Schema

Request Examples

▶ Code Examples

Response

▶ Response Examples

Implementation Notes

Amounts specified in cents (e.g., 2000 = 20.00 EUR)
orderid must be unique for each donation
Callback URL must return "OK" text to confirm receipt
Use test=1 for testing (activate in project settings)
Payment text supports [order_nr] and [owner_name] variables
Donor information (firstname, lastname, email) is optional
Supports multi-language interfaces and currency conversion
Recurring donations: use additional PIS parameters with supported banks

Next Steps

Read Full Documentation

Explore complete API reference, parameters, and advanced features.

View Checkout API Docs

See More Examples

Check out integration examples in multiple programming languages.

View Examples

Common Questions

Find answers to frequently asked questions about integration.

View FAQ