# hardhat

> Index of 10 pages under `/fdc/guides/hardhat`.

> For the complete documentation index, see [llms.txt](/llms.txt). Markdown versions of documentation pages are available by appending `.md` to the page URL.

Source: https://dev.flare.network/fdc/guides/hardhat

- [AddressValidity](https://dev.flare.network/fdc/guides/hardhat/address-validity.md)
- [Balance Decreasing](https://dev.flare.network/fdc/guides/hardhat/detect-balance-decrease.md)
- [EVMTransaction](https://dev.flare.network/fdc/guides/hardhat/evm-transaction.md)
- [Json Api (deprecated)](https://dev.flare.network/fdc/guides/hardhat/json-api.md)
- [Payment](https://dev.flare.network/fdc/guides/hardhat/payment.md)
- [Proof of Reserves](https://dev.flare.network/fdc/guides/hardhat/proof-of-reserves.md)
- [Verify Payment Nonexistence](https://dev.flare.network/fdc/guides/hardhat/verify-payment-nonexistence.md)
- [Weather Insurance](https://dev.flare.network/fdc/guides/hardhat/weather-insurance.md)
- [Web2Json](https://dev.flare.network/fdc/guides/hardhat/web2-json.md)
- [Web2Json for Custom API](https://dev.flare.network/fdc/guides/hardhat/web2-json-for-custom-api.md)