> For the complete documentation index, see [llms.txt](https://dev.guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.guardian.hedera.com/developer-tools/api-reference.md).

# API Reference

- [Account APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis.md)
- [Registering New Account](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/registering-new-account.md)
- [User Login](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/user-login.md)
- [User Session](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/user-session.md)
- [User Listing](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/user-listing-except-root-authority-and-auditor.md)
- [Returns All Root Authorities](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/returns-all-root-authorities.md)
- [Standard Registries Aggregated](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/standard-registries-aggregated.md)
- [User Balance](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/user-balance.md)
- [Change Password](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/change-password.md)
- [Refresh Access Token](https://dev.guardian.hedera.com/developer-tools/api-reference/account-apis/refresh-access-token.md)
- [Profile APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis.md)
- [User Account Information](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/user-account-information.md)
- [Setting User Credentials](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/setting-user-credentials.md)
- [Setting User Credentials Asynchronously](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/setting-user-credentials-asynchronously.md)
- [User Account Balance](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/user-account-balance.md)
- [Restoring User Profile](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/restoring-user-profile.md)
- [List Recovery Topics](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/list-recovery-topics.md)
- [Validate DID Document](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/validate-did-document.md)
- [Validate DID Keys](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/validate-did-keys.md)
- [Returns List of Keys](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/returns-list-of-keys.md)
- [Creates a Key](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/creates-a-key.md)
- [Deletes a Key](https://dev.guardian.hedera.com/developer-tools/api-reference/profile-apis/deletes-a-key.md)
- [Settings APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/settings-apis.md)
- [Adding Settings](https://dev.guardian.hedera.com/developer-tools/api-reference/settings-apis/adding-settings.md)
- [Displaying Current Settings](https://dev.guardian.hedera.com/developer-tools/api-reference/settings-apis/displaying-current-settings.md)
- [Returns Environment Name](https://dev.guardian.hedera.com/developer-tools/api-reference/settings-apis/returns-environment-name.md)
- [Returns Package Version](https://dev.guardian.hedera.com/developer-tools/api-reference/settings-apis/returns-package-version.md)
- [Logs APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/logs-apis.md)
- [Returning Logs](https://dev.guardian.hedera.com/developer-tools/api-reference/logs-apis/returning-logs.md)
- [Returning Log Attributes](https://dev.guardian.hedera.com/developer-tools/api-reference/logs-apis/returning-log-attributes.md)
- [Returns Seq URL](https://dev.guardian.hedera.com/developer-tools/api-reference/logs-apis/returns-seq-url.md)
- [Task APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/task-apis.md)
- [Returning Task Statuses](https://dev.guardian.hedera.com/developer-tools/api-reference/task-apis/returning-task-statuses.md)
- [External APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/external-apis.md)
- [Sends Data from External Source](https://dev.guardian.hedera.com/developer-tools/api-reference/external-apis/sends-data-from-external-source.md)
- [Sends Data from External Source (Generic)](https://dev.guardian.hedera.com/developer-tools/api-reference/external-apis/sends-data-from-external-source-generic.md)
- [Sends Data with Sync Events](https://dev.guardian.hedera.com/developer-tools/api-reference/external-apis/sends-data-with-sync-events.md)
- [Sends Data with Sync Events (Generic)](https://dev.guardian.hedera.com/developer-tools/api-reference/external-apis/sends-data-with-sync-events-generic.md)
- [Trustchains APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/trustchains-apis.md)
- [Requesting](https://dev.guardian.hedera.com/developer-tools/api-reference/trustchains-apis/requesting.md)
- [Building and Returning](https://dev.guardian.hedera.com/developer-tools/api-reference/trustchains-apis/building-and-returning.md)
- [Token APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis.md)
- [Token Listing](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/token-listing.md)
- [Returns Token by ID](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/returns-token-by-id.md)
- [Token Creation](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/token-listing-1.md)
- [Updating a Token](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/updating-a-token.md)
- [Associates the User with Token](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/associates-the-user-with-token.md)
- [Disassociates the User with Token](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/disassociates-the-user-with-token.md)
- [Grants KYC for the User](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/grants-kyc-for-the-user.md)
- [Revoke KYC of the User](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/revoke-kyc-of-the-user.md)
- [Freeze Tokens of a User](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/freeze-tokens-of-a-user.md)
- [Unfreeze Tokens of a User](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/unfreeze-tokens-of-a-user.md)
- [User Info for Selected Token](https://dev.guardian.hedera.com/developer-tools/api-reference/token-apis/user-info-for-selected-token.md)
- [Token APIs — Async](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution.md)
- [Token Creation](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/token-creation.md)
- [Updating a Token](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/updating-a-token.md)
- [Deleting a Token](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/deleting-a-token.md)
- [Deleting Multiple Tokens](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/deleting-multiple-tokens.md)
- [Associating User with the Hedera Token](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/associating-user-with-the-hedera-token.md)
- [Disassociating User with the Hedera Token](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/disassociating-user-with-the-hedera-token.md)
- [Setting KYC for the User](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/setting-kyc-for-the-user.md)
- [Unsetting KYC for the User](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/unsetting-kyc-for-the-user.md)
- [Freezing Tokens of a User](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/freezing-tokens-of-a-user.md)
- [Unfreezing Tokens of a User](https://dev.guardian.hedera.com/developer-tools/api-reference/token-related-apis-for-asynchronous-execution/unfreezing-tokens-of-a-user.md)
- [Schema Creation APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis.md)
- [Listing of Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/creation-of-a-schema-1.md)
- [Returning Schema by SchemaID](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/returning-schema-by-schemaid.md)
- [Returns All Schemas Related to the Topic](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/returns-all-schemas-related-to-the-topic.md)
- [Creation of Schema Related to the Topic](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/creation-of-schema-related-to-the-topic.md)
- [Updating Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/updating-schema.md)
- [Deleting a Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/deleting-a-schema.md)
- [Publishing Schema Based on Schema ID](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/publishing-schema-based-on-schema-id.md)
- [Export Schema Message IDs](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/export-a-schema.md)
- [Export Schema as Zip](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/export-a-schema-1.md)
- [Import Schema from IPFS](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/importing-schema-from-ipfs.md)
- [Import Schema from Zip](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/importing-zip-file-containing-schema.md)
- [Schema Preview from IPFS](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/schema-preview-from-ipfs.md)
- [Schema Preview from Zip](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-creation-using-the-guardian-apis/schema-preview-from-zip.md)
- [System Schema APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/system-schemas-apis.md)
- [Creates New System Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/system-schemas-apis/creates-new-system-schema.md)
- [Returns Schema by Username](https://dev.guardian.hedera.com/developer-tools/api-reference/system-schemas-apis/returns-schema-by-username.md)
- [Updates the Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/system-schemas-apis/updates-the-schema.md)
- [Activates the Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/system-schemas-apis/publishes-the-schema.md)
- [Delete System Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/system-schemas-apis/delete-system-schema.md)
- [Returns Schema by Type](https://dev.guardian.hedera.com/developer-tools/api-reference/system-schemas-apis/returns-schema-by-type.md)
- [Schema Type](https://dev.guardian.hedera.com/developer-tools/api-reference/system-schemas-apis/schema-type.md)
- [Schema APIs — Async](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-related-apis-for-asynchronous-execution.md)
- [Creation of Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-related-apis-for-asynchronous-execution/creation-of-schema.md)
- [Publishing Schema](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-related-apis-for-asynchronous-execution/publishing-schema.md)
- [Importing Schema from IPFS](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-related-apis-for-asynchronous-execution/importing-schema-from-ipfs.md)
- [Importing Schema from .zip](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-related-apis-for-asynchronous-execution/importing-schema-from-.zip.md)
- [Previews the Schema from IPFS](https://dev.guardian.hedera.com/developer-tools/api-reference/schema-related-apis-for-asynchronous-execution/previews-the-schema-from-ipfs.md)
- [Policy Creation APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis.md)
- [Prerequisite Steps](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/prerequesite-steps.md)
- [Policy Listing](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/policy-listing.md)
- [Creation of a Policy](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/creation-of-a-policy.md)
- [Retrieves Policy Configuration](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/retrieves-policy-configuration.md)
- [Updates Policy Configuration](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/updates-policy-configuration.md)
- [Publish a Policy](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/publish-a-policy.md)
- [Policy Validation](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/policy-validation.md)
- [Retrieval of Data from Root Policy Block](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/retrieval-of-data-from-root-policy-block.md)
- [Request Block Data](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/request-block-data.md)
- [Sends Data to Specified Block](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/sends-data-to-specified-block.md)
- [Returns Block ID by Tag](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/returns-block-id-by-tag.md)
- [Retrieves Block Data by Tag](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/retrieves-block-data-by-tag.md)
- [Sends Data to Specified Block by Tag](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/sends-data-to-specified-block-by-tag.md)
- [Returns List of Groups of a Particular User](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/returns-list-of-groups-of-a-particular-user.md)
- [Make the Selected Group Active](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/make-the-selected-group-active.md)
- [Export to Zip File](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/export-to-zip-file.md)
- [Exporting Message ID](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/exporting-message-id.md)
- [Import a Policy](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/import-a-policy.md)
- [Import from Zip File](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/import-from-zip-file.md)
- [Policy Preview from IPFS](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-creation-using-the-guardian-apis/policy-preview-from-ipfs.md)
- [Policy APIs — Async](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-related-apis-for-asynchronous-execution.md)
- [Creates New Policy](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-related-apis-for-asynchronous-execution/creates-new-policy.md)
- [Publishing a Policy](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-related-apis-for-asynchronous-execution/publishing-a-policy.md)
- [Importing a Policy from File](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-related-apis-for-asynchronous-execution/importing-a-policy-from-file.md)
- [Importing a Policy from IPFS](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-related-apis-for-asynchronous-execution/importing-a-policy-from-ipfs.md)
- [Policy Review](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-related-apis-for-asynchronous-execution/policy-review.md)
- [Policy Repository APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/policy-repository-apis.md)
- [Map Related APIs](https://dev.guardian.hedera.com/developer-tools/api-reference/map-related-apis.md)
- [Returning map API Key](https://dev.guardian.hedera.com/developer-tools/api-reference/map-related-apis/returning-map-api-key.md)
- [Returning Sentinel API Key](https://dev.guardian.hedera.com/developer-tools/api-reference/map-related-apis/returning-sentinel-api-key.md)