> For the complete documentation index, see [llms.txt](https://apidocs.onekeypayments.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apidocs.onekeypayments.com/api-reference/references.md).

# REFERENCES

- [Test Merchant & Mock Psp](https://apidocs.onekeypayments.com/api-reference/references/test-merchant-and-mock-psp.md)