# Function: supportedJsonTypeUrls()

> **supportedJsonTypeUrls**(): `string`[]

Defined in: [packages/bitbadgesjs-sdk/src/transactions/messages/fromJson.ts:170](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/transactions/messages/fromJson.ts#L170)

All supported typeUrls across both tiers. Useful for error reporting.

## Returns

`string`[]