# Nayax Developer Portal - [Terminal SDKs (239 pages)](https://devzone.nayax.com/_llms/en/terminal-sdks.md): Documentation for Terminal SDKs. - [Platform Management (190 pages)](https://devzone.nayax.com/_llms/en/platform-management.md): Documentation for Platform Management. ## Docs Home - [Home](https://devzone.nayax.com/index.md) ## Core Extension ### Core Extension Guides - [Overview](https://devzone.nayax.com/docs/core-extension/overview.md): Learn how Core Extension lets you embed your application inside the Nayax back-office. - [Get Started](https://devzone.nayax.com/docs/core-extension/get-started.md): Walk through the full developer journey from sandbox access to a live Core Extension in production. - [Authentication](https://devzone.nayax.com/docs/core-extension/authentication.md): Understand how Nayax delivers a JWT token to your Core Extension and how to use it for API calls. - [Extension Types](https://devzone.nayax.com/docs/core-extension/extension-types.md): Reference for the four Core Extension display types: Screen, Fullscreen, Button with Popup, and Tab. - [Support Translations](https://devzone.nayax.com/docs/core-extension/translations.md): Expose your Core Extension's UI strings to Nayax so users see your app in their language. - [Implement Role-Based UI Visibility](https://devzone.nayax.com/docs/core-extension/role-based-visibility.md): Let Nayax Core administrators show or hide parts of your Core Extension based on user roles. ## Cortina ### Cortina Guides - [Overview](https://devzone.nayax.com/docs/cortina/overview-cortina.md) - [Integration Process](https://devzone.nayax.com/docs/cortina/cortina-integration.md) - [Cortina Network Requirements](https://devzone.nayax.com/docs/cortina/network-requirements.md): Connection methods, VPN setup, and IP addresses to whitelist so Cortina terminals can reach Nayax. - [Sale End Notification](https://devzone.nayax.com/docs/cortina/sale-end-notification.md) - [Refunds](https://devzone.nayax.com/docs/cortina/refunds.md) #### Start Session - [Start Session](https://devzone.nayax.com/docs/cortina/start-session/index.md) - [Authentication Process](https://devzone.nayax.com/docs/cortina/start-session/cortina-auth.md) #### Prepaid Card - [Prepaid Card](https://devzone.nayax.com/docs/cortina/prepaid-card/prepaid-card-flows.md) - [Authorization](https://devzone.nayax.com/docs/cortina/prepaid-card/copy-of-prepaid-card-authorization.md) - [Settlement](https://devzone.nayax.com/docs/cortina/prepaid-card/prepaid-card-settlement.md) - [Cancel](https://devzone.nayax.com/docs/cortina/prepaid-card/prepaid-card-cancel.md) - [Sale](https://devzone.nayax.com/docs/cortina/prepaid-card/prepaid-card-sale.md) - [Void](https://devzone.nayax.com/docs/cortina/prepaid-card/prepaid-card-void.md) - [Refund](https://devzone.nayax.com/docs/cortina/prepaid-card/prepaid-card-refund.md) - [Decline Reasons](https://devzone.nayax.com/docs/cortina/prepaid-card/prepaid-card-decline-reasons.md) - [Remaining Prepaid Balance](https://devzone.nayax.com/docs/cortina/prepaid-card/check-balance.md) - [Partial Approval in Authorization](https://devzone.nayax.com/docs/cortina/prepaid-card/partial-approval-for-prepaid.md) - [Discounts](https://devzone.nayax.com/docs/cortina/prepaid-card/discount.md) #### StaticQR - [StaticQR](https://devzone.nayax.com/docs/cortina/staticqr/staticqr-flows.md) - [Start](https://devzone.nayax.com/docs/cortina/staticqr/static-qr-start.md) - [Authorization](https://devzone.nayax.com/docs/cortina/staticqr/static-qr-authorization.md) - [Settlement](https://devzone.nayax.com/docs/cortina/staticqr/static-qr-settlement.md) - [Cancel](https://devzone.nayax.com/docs/cortina/staticqr/static-qr-cancel.md) - [Sale](https://devzone.nayax.com/docs/cortina/staticqr/static-qr-sale.md) - [Void](https://devzone.nayax.com/docs/cortina/staticqr/static-qr-void.md) - [Refund](https://devzone.nayax.com/docs/cortina/staticqr/static-qr-refund.md) - [StaticQR Decline Reasons](https://devzone.nayax.com/docs/cortina/staticqr/staticqr-decline-reasons.md) - [On Screen QR Display](https://devzone.nayax.com/docs/cortina/staticqr/on-screen-qr-display.md) - [Product Remote Vend](https://devzone.nayax.com/docs/cortina/staticqr/remote-vend.md) #### DynamicQR - [DynamicQR](https://devzone.nayax.com/docs/cortina/dynamicqr/cortina-dynamicqr.md) - [DynamicQR Decline Reasons](https://devzone.nayax.com/docs/cortina/dynamicqr/dynamicqr-decline-reasons.md) - [GenerateQR](https://devzone.nayax.com/docs/cortina/dynamicqr/dynamicqr-generateqr.md) - [Inquiry](https://devzone.nayax.com/docs/cortina/dynamicqr/dynamicqr-inquiry.md) - [Void](https://devzone.nayax.com/docs/cortina/dynamicqr/dynamicqr-void.md) - [Refund](https://devzone.nayax.com/docs/cortina/dynamicqr/dynamicqr-refund.md) #### Credit Card - [Credit Card](https://devzone.nayax.com/docs/cortina/credit-card/cortina-credit-card-flows.md) - [Credit Card Decline Reasons](https://devzone.nayax.com/docs/cortina/credit-card/credit-card-decline-reasons.md) - [Partial Approval in Authorization](https://devzone.nayax.com/docs/cortina/credit-card/partial-approval.md) - [Incremental Authorization](https://devzone.nayax.com/docs/cortina/credit-card/incremental-authorization-1.md) - [EMV Response Tags](https://devzone.nayax.com/docs/cortina/credit-card/emv-response-tags.md) ##### PIN Processing - [PIN Processing](https://devzone.nayax.com/docs/cortina/credit-card/pin-processing/index.md) - [Receive the PIN Block](https://devzone.nayax.com/docs/cortina/credit-card/pin-processing/receiving-the-pin-block.md) - [Dynamic Key Exchange](https://devzone.nayax.com/docs/cortina/credit-card/pin-processing/dynamic-key-exchange.md) - [Strong Customer Authentication (SCA)](https://devzone.nayax.com/docs/cortina/credit-card/pin-processing/strong-customer-authentication-sca.md) #### Cortina FAQs - [Cortina FAQs](https://devzone.nayax.com/docs/cortina/cortina-faqs/index.md) - [Prepaid Card](https://devzone.nayax.com/docs/cortina/cortina-faqs/cortina-prepaid-faq.md) - [StaticQR](https://devzone.nayax.com/docs/cortina/cortina-faqs/faq-2.md) - [DynamicQR](https://devzone.nayax.com/docs/cortina/cortina-faqs/faq-3.md) ### API Reference #### Endpoints ##### Cortina - [Cortina Age Verification](https://devzone.nayax.com/reference/cortina/cortina/cortina-age-verification.md): Cortina Age Verification - [Post Renew Key](https://devzone.nayax.com/reference/cortina/cortina/post-renew-key.md) - [Post Sale End Notification](https://devzone.nayax.com/reference/cortina/cortina/post-sale-end-notification.md) - [Post Start Session](https://devzone.nayax.com/reference/cortina/cortina/post-start-session.md) ##### Cortina Credit Card - [Cortina Credit Card Authorization](https://devzone.nayax.com/reference/cortina/cortina-credit-card/cortina-credit-card-authorization.md) - [Cortina Credit Card Cancel](https://devzone.nayax.com/reference/cortina/cortina-credit-card/cortina-credit-card-cancel.md) - [Cortina Credit Card Incremental Auth](https://devzone.nayax.com/reference/cortina/cortina-credit-card/cortina-credit-card-incremental-auth.md) - [Cortina Credit Card Inquiry3DS](https://devzone.nayax.com/reference/cortina/cortina-credit-card/cortina-credit-card-inquiry3ds.md) - [Cortina Credit Card Refund](https://devzone.nayax.com/reference/cortina/cortina-credit-card/cortina-credit-card-refund.md) - [Cortina Credit Card Sale](https://devzone.nayax.com/reference/cortina/cortina-credit-card/cortina-credit-card-sale.md) - [Cortina Credit Card Settlement](https://devzone.nayax.com/reference/cortina/cortina-credit-card/cortina-credit-card-settlement.md) - [Cortina Credit Card Void](https://devzone.nayax.com/reference/cortina/cortina-credit-card/cortina-credit-card-void.md) ##### DynamicQR - [Cortina DynamicQR GenerateQR](https://devzone.nayax.com/reference/cortina/dynamicqr/cortina-dynamicqr-generateqr.md) - [Cortina DynamicQR Inquiry](https://devzone.nayax.com/reference/cortina/dynamicqr/cortina-dynamicqr-inquiry.md) - [Cortina DynamicQR Refund](https://devzone.nayax.com/reference/cortina/dynamicqr/cortina-dynamicqr-refund.md) - [Cortina DynamicQR Void](https://devzone.nayax.com/reference/cortina/dynamicqr/cortina-dynamicqr-void.md) ##### Cortina Prepaid - [Cortina Prepaid Authorization](https://devzone.nayax.com/reference/cortina/cortina-prepaid/cortina-prepaid-authorization.md) - [Cortina Prepaid Cancel](https://devzone.nayax.com/reference/cortina/cortina-prepaid/cortina-prepaid-cancel.md) - [Cortina Prepaid Refund](https://devzone.nayax.com/reference/cortina/cortina-prepaid/cortina-prepaid-refund.md) - [Cortina Prepaid Sale](https://devzone.nayax.com/reference/cortina/cortina-prepaid/cortina-prepaid-sale.md) - [Cortina Prepaid Settlement](https://devzone.nayax.com/reference/cortina/cortina-prepaid/cortina-prepaid-settlement.md) - [Cortina Prepaid Void](https://devzone.nayax.com/reference/cortina/cortina-prepaid/cortina-prepaid-void.md) ##### StaticQR - [Cortina StaticQR Authorization](https://devzone.nayax.com/reference/cortina/staticqr/cortina-staticqr-authorization.md) - [Cortina StaticQR Cancel](https://devzone.nayax.com/reference/cortina/staticqr/cortina-staticqr-cancel.md) - [Cortina StaticQR Refund](https://devzone.nayax.com/reference/cortina/staticqr/cortina-staticqr-refund.md) - [Cortina StaticQR Sale](https://devzone.nayax.com/reference/cortina/staticqr/cortina-staticqr-sale.md) - [Cortina StaticQR Settlement](https://devzone.nayax.com/reference/cortina/staticqr/cortina-staticqr-settlement.md) - [Cortina StaticQR Void](https://devzone.nayax.com/reference/cortina/staticqr/cortina-staticqr-void.md) - [Cortina StaticQR Start](https://devzone.nayax.com/reference/cortina/staticqr/cortina-staticqr-start.md) ##### Cortina Onboarding - [Onboard Actor](https://devzone.nayax.com/reference/cortina/cortina-onboarding/onboard-actor.md) - [Onboard Machine](https://devzone.nayax.com/reference/cortina/cortina-onboarding/onboard-machine.md) - [Get Version](https://devzone.nayax.com/reference/cortina/cortina-onboarding/get-version.md) ## Build with AI ### Build with AI - [Build with AI on Nayax](https://devzone.nayax.com/docs/get-started/build-with-ai.md): Bring AI assistants into your Nayax integration with the MCP server for live documentation access. - [Connect to the Nayax MCP Server](https://devzone.nayax.com/docs/get-started/mcp-setup.md) ## Support & Trust ### Certifications - [Security Certifications](https://devzone.nayax.com/docs/get-started/certifications.md): Nayax's PCI DSS, ISO/IEC 27001, and SOC 2 Type 2 certifications, what each one means, and where to verify them. ## OpenAPI Specs - [spark](/openapi/spark.yaml) - [lynx](/openapi/lynx.yaml) - [cortina](/openapi/cortina.yaml) - [e-receipt](/openapi/e-receipt.yaml) - [ecom](/openapi/ecom.yaml) ## Optional - [Release Notes](https://www.nayax.com/product-updates/integrated-pos/integrated-vpos-touch-onyx/) - [Help Center](https://nayax-u.nayax.com/) > The links below point to documentation indexes. Follow each `/_llms/` index recursively until you reach documentation pages. ## Indexes - [English / Terminal SDKs (239 pages)](https://devzone.nayax.com/_llms/en/terminal-sdks.md): Documentation for English / Terminal SDKs. - [English / Platform Management (190 pages)](https://devzone.nayax.com/_llms/en/platform-management.md): Documentation for English / Platform Management. - [English / Platform Management / Lynx API (179 pages)](https://devzone.nayax.com/_llms/en/platform-management/lynx-api.md): Documentation for English / Platform Management / Lynx API. - [Chinese (505 pages)](https://devzone.nayax.com/_llms/zh.md): Documentation for Chinese. - [Chinese / Terminal SDKs (228 pages)](https://devzone.nayax.com/_llms/zh/terminal-sdks.md): Documentation for Chinese / Terminal SDKs. - [Chinese / Platform Management (188 pages)](https://devzone.nayax.com/_llms/zh/platform-management.md): Documentation for Chinese / Platform Management. - [Chinese / Platform Management / Lynx API (177 pages)](https://devzone.nayax.com/_llms/zh/platform-management/lynx-api.md): Documentation for Chinese / Platform Management / Lynx API.