> For the complete documentation index, see [llms.txt](https://yokifinance.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yokifinance.gitbook.io/docs/subscription-payments/for-merchant/api-integration.md).

# API integration

- [Introduction](https://yokifinance.gitbook.io/docs/subscription-payments/for-merchant/api-integration/introduction.md)
- [Steps](https://yokifinance.gitbook.io/docs/subscription-payments/for-merchant/api-integration/steps.md)
- [Localhost environment](https://yokifinance.gitbook.io/docs/subscription-payments/for-merchant/api-integration/localhost-environment.md)
- [API brief overview](https://yokifinance.gitbook.io/docs/subscription-payments/for-merchant/api-integration/api-brief-overview.md)
- [Sending to Telegram group](https://yokifinance.gitbook.io/docs/subscription-payments/for-merchant/api-integration/sending-to-telegram-group.md)