GPWebPay-Core Documentation

Edition for GPWebPay-Core 2.4.2. Updated on Dec 01, 2025.

Ondra Votava

This work is licensed under the Creative Commons Attribution 3.0 Unported License.

Contents:

• 1. Installing GPWebPay Core
  • Requirements
  • Composer
• 2. Configuration
  • Attributes
    • The privateKey attribute
    • The privateKeyPassphrase attribute
    • The publicKey attribute
    • The url attribute
    • The depositFlag attribute
    • The merchantNumber attribute
    • The responseUrl attribute
  • Examples
    • Single gateway
    • Multiple gateways
• 3. Services
  • SignerProvider
  • RequestFactory
  • ResponseFactory
  • ResponseProvider
• 4. Operation and Request
  • The Operation
  • Request and Rendering
  • Parameters
    • OrderNumber
    • Amount
    • AmountInPennies
    • Currency
    • MerOrderNum
• 5. Response
  • Create response
  • Parameters
    • ResultText
    • PrCode
    • SrCode
    • OrderNumber
    • MerOrderNumber
    • UserParam1
    • Md
    • Digest and Digest1
• 6. Example of use
  • Create Request and Rendering
  • Handle Response from GPWP
• 7. Changelog