> For the complete documentation index, see [llms.txt](https://docs.rocketfuel.inc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rocketfuel.inc/integrations/rocketfuel-integration/how-to-guide.md).

# "How To" Guide

- [Sign up as a Merchant](https://docs.rocketfuel.inc/integrations/rocketfuel-integration/how-to-guide/sign-up-as-a-merchant.md)
- [KYC Verification](https://docs.rocketfuel.inc/integrations/rocketfuel-integration/how-to-guide/kyc-verification.md)
- [Using the RocketFuel API for Custom Integration](https://docs.rocketfuel.inc/integrations/rocketfuel-integration/how-to-guide/using-the-rocketfuel-api-for-custom-integration.md)
- [Using the RocketFuel Pre-built Solutions for Custom Integration](https://docs.rocketfuel.inc/integrations/rocketfuel-integration/how-to-guide/using-the-rocketfuel-pre-built-solutions-for-custom-integration.md)
- [How to Use Testnet for Transactions](https://docs.rocketfuel.inc/integrations/rocketfuel-integration/how-to-guide/how-to-use-testnet-for-transactions.md)