# Types & Constants

- [PostConditionMode](/reference/stacks.js/stacks-transactions/types/postconditionmode.md)
- [ClarityVersion](/reference/stacks.js/stacks-transactions/types/clarityversion.md)
- [AddressHashMode](/reference/stacks.js/stacks-transactions/types/addresshashmode.md)
- [AuthType](/reference/stacks.js/stacks-transactions/types/authtype.md)
- [ClarityType](/reference/stacks.js/stacks-transactions/types/claritytype.md)
- [ClarityValue](/reference/stacks.js/stacks-transactions/types/clarityvalue.md)
- [FungibleConditionCode](/reference/stacks.js/stacks-transactions/types/fungibleconditioncode.md)
- [NonFungibleConditionCode](/reference/stacks.js/stacks-transactions/types/nonfungibleconditioncode.md)
- [PayloadType](/reference/stacks.js/stacks-transactions/types/payloadtype.md)
- [PostConditionType](/reference/stacks.js/stacks-transactions/types/postconditiontype.md)
- [PostCondition](/reference/stacks.js/stacks-transactions/types/postcondition.md)
- [NoEstimateAvailableError](/reference/stacks.js/stacks-transactions/types/noestimateavailableerror.md)