> For the complete documentation index, see [llms.txt](https://developers.mtpelerin.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.mtpelerin.com/checkout-payments/integration.md).

# INTEGRATION

- [Getting started](https://developers.mtpelerin.com/checkout-payments/integration/getting-started.md)
- [Instructions](https://developers.mtpelerin.com/checkout-payments/integration/instructions.md)
- [Optional parameters](https://developers.mtpelerin.com/checkout-payments/integration/optional-parameters.md)
- [Automating the end user address validation](https://developers.mtpelerin.com/checkout-payments/integration/automating-the-end-user-address-validation.md)