API Overview

You can call APIs to use the functions provided by BCS, including creating and deleting BCS services, and forming consortium blockchains. Table 1 lists the APIs.

**Table 1** API Overview
Category	API	Description
BCS Management	Creating a BCS Service	Creates a BCS service.
	Querying Creation Status of a BCS Service	Queries the creation status of a specified BCS service.
	Querying Service Information	Queries the details of a specified BCS service.
	Modifying a BCS Service	Modifies the peers and organizations of a BCS service.
	Creating Channels	Creates channels.
	Querying Channel Information	Queries the channel details of a specified BCS service.
	Adding Peers to a Channel	Adds peers to a channel.
	Removing Organizations from a Channel	Removes organizations from a channel.
	Downloading Certificates	Downloads the certificates of a specified BCS service.
	Downloading the SDK Configuration	Downloads the SDK configuration of a specified BCS service.
	Generating a User Certificate	Generates a user certificate for a specific service.
	Unfreezing a User Certificate	Unfreezes a user certificate for a specific BCS service. It takes 0.5 minutes to 1 minute for the unfreezing to take effect.
	Freezing a User Certificate	Freezes a user certificate for a specific BCS service. It takes 0.5 minutes to 1 minute for the freezing to take effect.
	Querying Quotas	Queries the quotas of all BCS service resources under the specified project.
	Querying Flavors	Queries the basic information of all BCS services under the specified project.
	Querying Peer Information	Queries the peer details of a specified BCS service.
	Querying Asynchronous Operation Results	Queries the asynchronous operation results.
	Querying the BCS Service List	Queries the basic information of all BCS services under the specified project.
	Deleting a BCS Service	Deletes a BCS service.
	Removing a Peer from a Channel	Removes a peer from a channel.
	Deleting a Channel	Deletes a channel.
BCS Consortium	Inviting Tenants to Join a Consortium	Invites multiple tenants in batches to join a channel. Invitation notifications will be sent to the invited tenants.
	Processing an Invitation	Processes an invitation to join a consortium.
	Querying All Notifications	Queries all notifications.
	Listing Consortium Members	Lists all members in a consortium.
	Deleting Invitation Information	Cancels invitations in batches or delete invitation information about members who have quit, rejected to join, or dismissed.
	Exiting a Consortium	Exits a consortium.
BCS Monitoring	Querying Monitoring Data of a BCS Service	Queries the monitoring data of a specified metric of a BCS service.
	Listing Entity Monitoring Data of a BCS Service	Queries the monitoring data list of entities of a BCS service.
	Querying Entity Monitoring Details of a BCS Service	Queries the monitoring details of entities of a specified BCS service.