Alibaba Cloud IoT Platform API list and reference-IoT Platform (Deprecated)(IoT)-阿里云帮助中心

This topic lists the API operations for IoT Platform.

Important

MQTT-based Enterprise instances support only some API operations for Product management, Device management, Server-side subscription, Data forwarding (new), Group management, and Messaging. For more information, see the last column in the corresponding API list.

Instance migration APIs

API	Description	Are MQTT instances supported?
BatchGrayMigrationDevice	During instance migration, call this operation to perform a phased migration for new devices that have not been migrated.	No

Product management APIs

API	Description	Support for MQTT instances
CreateProduct	Creates a product.	Yes.
UpdateProduct	Modifies product information.	Yes.
QueryProductList	Queries a list of products.	Yes.
QueryProduct	Queries the details of a product.	Yes.
DeleteProduct	Deletes a product.	Yes.
CreateProductTags	Creates product tags.	Yes.
UpdateProductTags	Updates product tags.	Yes.
DeleteProductTags	Deletes product tags.	Yes.
ListProductTags	Queries all tags of a product.	Yes.
ListProductByTags	Queries products by tag.	Yes.
UpdateProductFilterConfig	Updates the rule that is used to remove duplicate property data reported by devices of a product.	No.
QueryProductCertInfo	Queries the X.509 certificate information of a product.	No.
SetProductCertInfo	Configures the X.509 certificate information for a product.	No.
ReleaseProduct	Publishes a product.	Yes.
CancelReleaseProduct	Cancels the publication of a product.	Yes.

Device management APIs

Feature	API	Description	Support for MQTT instances
Device registration	RegisterDevice	Refers to a single registered device.	No.
	BatchRegisterDevice	Registers multiple devices at a time. Device names are randomly generated.	No.
	BatchCheckDeviceNames	Specifies custom names for multiple devices at a time. IoT Platform checks whether the names are valid.	No.
	BatchRegisterDeviceWithApplyId	Registers multiple devices at a time based on an ApplyId.	No.
	QueryBatchRegisterDeviceStatus	Queries the processing status and results of a batch device registration request.	Yes.
Device lifecycle	DisableThing	Disables a device.	Yes.
	EnableThing	You can unblock a device.	Yes.
	ResetThing	Resets a device.	Yes.
	DeleteDevice	Deletes a device.	Yes.
Device ID	QueryClientIds	Queries the list of IDs for a single device in a registration-free, one-certificate-per-product scenario.	No.
	TransformClientId	Specifies a correct device ID to prevent unauthorized device logons in a registration-free, one-certificate-per-product scenario where a device has multiple device IDs.	No.
	DeleteClientIds	In a registration-free, one-certificate-per-product scenario, deletes all IDs of a device if the number of IDs exceeds the limit of five.	No.
Device information	BatchUpdateDeviceNickname	Updates the nicknames of multiple devices at a time.	Yes.
	QueryDeviceInfo	Queries the basic information about a device, including the device ID, device certificate, and nickname.	Yes.
	QueryDeviceDetail	Queries the details of a device.	Yes.
	BatchQueryDeviceDetail	Queries the details of multiple devices at a time.	Yes.
	QueryPageByApplyId	Queries information about devices that are registered in a batch.	Yes.
	QueryDevice	Queries the list of devices for a product.	Yes.
	GetDeviceStatus	Queries the status of a device.	Yes.
	BatchGetDeviceState	Queries the status of multiple devices at a time.	Yes.
	QueryDeviceByStatus	Queries a list of devices by device status.	No.
	ListOTAModuleVersionsByDevice	Queries the list of OTA module versions that are reported by a device.	No.
	QueryDeviceBySQL	Uses an SQL statement to quickly search for devices that meet specified conditions.	No.
	QueryDeviceStatistics	Queries device statistics.	Yes.
Device tags	SaveDeviceProp	Configures device tags.	Yes.
	QueryDeviceProp	Queries a list of device tags.	Yes.
	QueryDeviceByTags	Queries devices by tag.	Yes.
	DeleteDeviceProp	Deletes device tags.	Yes.
Gateways and sub-devices	BatchAddThingTopo	Adds topological relationships for multiple devices at a time.	No.
	NotifyAddThingTopo	Notifies a gateway to add a topological relationship.	No.
	GetThingTopo	Queries the list of sub-devices for a gateway.	No.
	GetGatewayBySubDevice	Queries the information about a gateway based on the information about an attached sub-device.	No.
	RemoveThingTopo	Removes the topological relationship of a gateway or sub-device.	No.
LoRaWAN devices	CreateLoRaNodesTask	Creates a task to register multiple LoRaWAN devices at a time.	No.
	GetLoraNodesTask	Queries the status of a task that is created to register multiple LoRaWAN devices at a time.	No.
	QueryLoRaJoinPermissions	Queries the list of LoRaWAN join permissions for an Alibaba Cloud account.	No.
Device X.509 certificates	QueryDeviceCert	Queries the X.509 certificate of a single device.	No.
Device X.509 certificates	QueryCertUrlByApplyId	Queries the download URL of the X.509 certificates for devices that are registered in a batch.	No.
Cloud gateway devices	ImportDevice	Imports a single device to an MQTT-based instance or MQTT cloud gateway product.	No.
	BatchImportDevice	Imports multiple devices to an MQTT-based instance or MQTT cloud gateway product at a time.	Yes.
	BatchCheckImportDevice	Verifies multiple devices that are imported to an MQTT-based instance or MQTT cloud gateway product at a time.	Yes.
	QueryImportedDeviceByApplyId	Queries the list of devices that are imported in a batch based on the application batch ID (ApplyId).	Yes.
	BatchImportVehicleDevice	Imports multiple devices to a cloud gateway product that uses the JT/T 808, GB/T 32960, or SL 651 protocol at a time.	No.
	BatchCheckVehicleDevice	Verifies multiple imported devices of a cloud gateway product that uses the JT/T 808, GB/T 32960, or SL 651 protocol at a time.	No.
	QueryVehicleDevice	Queries the information about a device of a cloud gateway product that uses the JT/T 808, GB/T 32960, or SL 651 protocol.	No.
Device files	QueryDeviceFileList	Queries all files that a device has uploaded to IoT Platform.	No.
	QueryDeviceFile	Queries information about a file that a device has uploaded to IoT Platform.	No.
	DeleteDeviceFile	Deletes a file that a device has uploaded to IoT Platform.	No.

TSL model management APIs

API	Description	Support for MQTT instances
CreateThingModel	Adds features to the Thing Specification Language (TSL) model of a product. You can also define extended information for the TSL model.	No.
UpdateThingModel	Updates a feature in the TSL model of a product. You can also update the extended information of the TSL model.
QueryThingModel	Queries the details of feature definitions in the TSL model of a product.
CopyThingModel	Copies the TSL model of a product to a destination product.
PublishThingModel	Publishes the TSL model of a product.
DeleteThingModel	Deletes a feature from the TSL model of a product.
ListThingTemplates	Queries the list of predefined product categories in IoT Platform.
GetThingTemplate	Queries the information about the standard TSL model of a category.
ListThingModelVersion	Queries the list of historical versions of the TSL model for a product.
GetThingModelTsl	Queries the TSL model of a product.
ImportThingModelTsl	Imports a TSL model for a product. Extended description configuration is not supported.
QueryThingModelPublished	Queries the details of feature definitions in the published TSL model of a product.
GetThingModelTslPublished	Retrieves the published Thing Specification Language model of a specified product.
QueryThingModelExtendConfig	Exports the extended description configuration of the TSL model for a product.
QueryThingModelExtendConfigPublished	Exports the extended description configuration of a published TSL model.
CreateThingScript	Submits a data parsing script for a product.
UpdateThingScript	Modifies the data parsing script of a product.
GetThingScript	Queries the data parsing script of a product.

TSL model usage APIs

API	Description	Are MQTT instances supported?
SetDeviceProperty	Sets the properties of a device.	No.
SetDevicesProperty	Sets the properties of multiple devices at a time.
InvokeThingService	Calls a service of a device.
InvokeThingsService	Calls the services of multiple devices at a time.
QueryDevicePropertyData	Queries the historical data of device properties.
QueryDevicePropertiesData	Queries the historical data of multiple properties for a device at a time.
QueryDeviceEventData	Queries the historical data of device events.
QueryDeviceServiceData	Queries the historical data of device service records.
SetDeviceDesiredProperty	Sets the desired property values for a device at a time.
QueryDeviceDesiredProperty	Queries the desired property values of a device.
QueryDevicePropertyStatus	Queries the property snapshot of a device.
QueryDeviceOriginalPropertyStatus	Queries the original property snapshot of a device.
QueryDeviceOriginalPropertyData	Queries the original property records of a device.
QueryDeviceOriginalEventData	Queries the original event records of a device.
QueryDeviceOriginalServiceData	Queries the original service invocation records of a device.
ClearDeviceDesiredProperty	Deletes the desired property values that are set for a device.

Topic management APIs

API	Description	MQTT-based instance support
CreateProductTopic	Creates a custom topic category for a product.	No.
UpdateProductTopic	Modifies a custom topic category of a product.
QueryProductTopic	Queries the custom topic categories of a product.
DeleteProductTopic	Deletes a custom topic category of a product.
CreateTopicRouteTable	Creates a route table for a topic.
QueryTopicRouteTable	Queries the route table of a topic.
QueryTopicReverseRouteTable	Queries the reverse route table of a topic.
DeleteTopicRouteTable	Deletes the route table of a topic.

Group management APIs

API	Description	Are MQTT instances supported?
CreateDeviceGroup	Creates a static group.	Yes.
CreateDeviceDynamicGroup	Creates a dynamic group.	No.
DeleteDeviceGroup	Deletes a static group.	Yes.
DeleteDeviceDynamicGroup	Deletes a dynamic group.	No.
UpdateDeviceGroup	Modifies group information.	Yes.
QueryDeviceGroupInfo	Queries the details of a group.	Yes.
QueryDeviceGroupList	Performs a paged query to retrieve a list of groups.	Yes.
QueryDynamicGroupDevices	Queries the list of devices in a dynamic group.	No.
BatchAddDeviceGroupRelations	Adds devices to a static group.	Yes.
BatchDeleteDeviceGroupRelations	Removes specified devices from a group.	Yes.
SetDeviceGroupTags	Adds or updates group tags.	Yes.
QueryDeviceGroupTagList	Queries the list of group tags.	Yes.
QueryDeviceGroupByDevice	Queries the list of groups to which a specified device belongs.	Yes.
QuerySuperDeviceGroup	Queries the parent group of a child group.	Yes.
QueryDeviceListByDeviceGroup	Queries the list of devices in a group.	Yes.
QueryDeviceGroupByTags	Queries device groups based on tags.	Yes.

APIs for device distribution

API	Description	Supported on MQTT instances
CreateDeviceDistributeJob	Creates a device distribution task. By default, the device's product is also distributed.	No.
CreateProductDistributeJob	Creates a product distribution task to distribute a specified product to a specified target instance.
QueryDeviceDistributeDetail	Retrieves the results of a completed device distribution task.
QueryDeviceDistributeJob	Retrieves the details of a device distribution task.
ListDeviceDistributeJob	Retrieves a list of device distribution tasks.
DeleteDeviceDistributeJob	Deletes a device distribution task.
ListDistributedDevice	Queries the list of distributed devices.
ListDistributedProduct	Gets a list of distributed products.
QueryDeviceProvisioning	Query the distribution results for a specified device.

Device Shadow APIs

API	Description	Supported on MQTT instances
GetDeviceShadow	Queries the device shadow.	No.
UpdateDeviceShadow	Updates the device shadow.	No.

Message communication APIs

API	Description	Support for MQTT instances
SubscribeTopic	Subscribes a specified device to a topic.	No.
UnsubscribeTopic	Cancels the subscription to a specified topic for a specified device.	No
QueryDeviceSubTopic	Queries the list of subscribed topics for a device.	No.
UpdateTopicConfig	Specifies whether a custom topic supports broadcasting retained messages.	Yes
Pub	Publishes messages to specific devices using custom topics. You can also broadcast messages to online devices of a product that have subscribed to a specific custom topic.	Yes.
BatchPub	Sends messages to multiple devices of a specified product in a batch using a custom topic.	Yes.
PubBroadcast	Publishes a broadcast message to all devices of a specified product or all devices that are subscribed to a specified topic.	No.
RRpc	Sends a request message to a specified device and synchronously returns a response.	No.
AsyncRRpc	Sends a message to a specific device.	Yes.
QueryMessageInfo	Queries the details of a device's uplink and downlink messages, such as the message content, timestamp, and message topic.	Yes.

Server-side subscription API

API	Description	Support for MQTT instances
CreateSubscribeRelation	Creates an MNS or AMQP server-side subscription.	Yes.
UpdateSubscribeRelation	Modifies an MNS or AMQP server-side subscription.	Yes.
QuerySubscribeRelation	Queries MNS or AMQP server-side subscriptions.	Yes.
DeleteSubscribeRelation	Deletes an MNS or AMQP server-side subscription.	Yes.
CreateConsumerGroup	Creates a consumer group for AMQP server-side subscriptions.	Yes.
UpdateConsumerGroup	Updates the name of a consumer group.	Yes.
QueryConsumerGroupByGroupId	Queries the details of a consumer group by its ID.	Yes.
QueryConsumerGroupList	Queries a list of all consumer groups or performs a fuzzy query for consumer groups by name.	Yes.
QueryConsumerGroupStatus	Queries the status of a consumer group for an AMQP server-side subscription. The status includes information about online clients, the message consumption rate, message accumulation, and the time of the most recent message consumption.	Yes.
ResetConsumerGroupPosition	Clears the accumulated messages in a consumer group for an AMQP server-side subscription.	Yes.
DeleteConsumerGroup	Deletes a consumer group.	Yes.
CreateConsumerGroupSubscribeRelation	Adds a consumer group to an AMQP subscription.	Yes.
DeleteConsumerGroupSubscribeRelation	Removes a consumer group from an AMQP subscription.	Yes.

Data Forwarding (Legacy) APIs

API	Description	Supported on MQTT instances
CreateRule	Create a rule.	No.
CreateRuleAction	Creates a rule action.
DeleteRule	Deletes a rule.
DeleteRuleAction	The action to delete a rule.
GetRule	Queries information about a rule.
GetRuleAction	Queries information about a rule action.
ListRule	Queries the list of rules.
ListRuleActions	Queries a list of rule actions.
UpdateRule	Updates a rule.
UpdateRuleAction	Updates the rule action.
StartRule	Starts the rule.
StopRule	Stops the rule.

APIs for data forwarding (new version)

Feature	API	Description	Are MQTT instances supported?
Parser	CreateParser	Creates a parser.	Yes.
	UpdateParser	Updates the name and description of a parser.	Yes.
	ListParser	Queries a list of parsers. The list includes the basic information, running status, creation time, and modification time of each parser.	Yes.
	GetParser	Queries the details of a specific parser. The details include the basic information, parsing script, running status, and associated data sources.	Yes.
	DeleteParser	Deletes a parser.	Yes.
Data source	CreateParserDataSource	Creates a data source for data forwarding.	Yes.
	UpdateParserDataSource	Updates the name and description of a data source.	Yes.
	ListParserDataSource	Queries a list of all data sources.	Yes.
	GetParserDataSource	Queries the details of a specific data source.	Yes.
	DeleteParserDataSource	Deletes a data source.	Yes.
Data source topic	CreateDataSourceItem	Adds a topic to a data source.	Yes.
	ListDataSourceItem	Performs a paged query to retrieve the list of topics for a specific data source.	Yes.
	DeleteDataSourceItem	Deletes a topic from a data source.	Yes.
Data destination	CreateDestination	Creates a data destination for data forwarding.	Yes.
	UpdateDestination	Updates the name, operation type, and description of a data destination.	Yes.
	ListDestination	Queries the list of data destinations.	Yes.
	GetDestination	Queries the details of a specific data destination.	Yes.
	DeleteDestination	Deletes a data destination.	Yes.
Configure parser	AttachParserDataSource	Associates a parser with a data source.	Yes.
	ListParserDestination	Queries the list of data destinations that are associated with a parser.	Yes.
	DetachParserDataSource	Detaches a data source from a parser.	Yes.
	AttachDestination	Associates a parser with a data destination.	Yes.
	DetachDestination	Detaches a data destination from a parser.	Yes.
	SaveScript	Edits and saves the script draft for a parser.	Yes.
	PublishScript	Publishes the script of a parser.	Yes.
	StartParser	Starts a parser.	Yes.
	StopParser	Stops a parser.	Yes.

Data service APIs

API	Description	Support for MQTT instances
WriteDevicesHotStorageData	Writes data from custom device topics to hot data storage.	No.
QueryDevicesHotStorageDataStatus	Queries snapshot data from hot data storage.
QueryDevicesHotStorageData	Queries time series data from hot data storage.
ResetDeviceTimeline	Deletes the stored time series data for a specified device.
CreateDataAPIService	Creates a data algorithm service API.
GetDataAPIServiceDetail	Gets the details of a data algorithm service API.
InvokeDataAPIService	Invokes a data algorithm service API to get SQL query results.
ListAnalyticsData	Executes the query task for a data service API to get specified data from a data source.
AddDataForApiSource	Imports external data to IoT Platform. You can upload data from local servers or other platforms to IoT Platform for analysis and processing.
BatchAddDataForApiSource	Imports external data to IoT Platform in batches.
CreateDownloadDataJob	Creates a data download task.
GetDownloadFile	Gets the result of a task that downloads data from a data table.

Secure tunnel APIs

API	Description	Support for MQTT instances
CreateDeviceTunnel	Creates a secure tunnel.	No.
CloseDeviceTunnel	Closes an open secure tunnel.
DeleteDeviceTunnel	Deletes a closed secure tunnel.
QueryDeviceTunnel	Queries the details of a specific secure tunnel. Details include the associated device, creation time, ID, and connection status.

OTA update APIs

API	Description	Supported on MQTT-based instances
GenerateOTAUploadURL	Generates the URL and details to upload an upgrade package file to Object Storage Service (OSS).	No.
GenerateDeviceNameListURL	Generates the URL and details to upload a device list file to OSS. When you create a static upgrade batch, use the device list file to specify the devices to upgrade.
CreateOTAFirmware	Adds an upgrade package.
ModifyOTAFirmware	Modifies upgrade package information, such as the package name, description, and custom information.
DeleteOTAFirmware	Deletes a specified upgrade package.
ListOTAFirmware	Queries a list of upgrade packages.
QueryOTAFirmware	Queries the details of a specified upgrade package.
CreateOTAVerifyJob	Creates a verification batch for an upgrade package.
CreateOTAStaticUpgradeJob	Creates a static upgrade batch.
CreateOTADynamicUpgradeJob	Creates a dynamic upgrade batch.
UpdateOTAJob	Updates the configurations of static and dynamic upgrade batches.
ListOTAJobByFirmware	Queries a list of upgrade batches for an upgrade package.
ListOTAJobByDevice	Queries the upgrade batches that contain a specified device.
ListOTATaskByJob	Queries a list of device upgrade jobs in a specified upgrade batch.
QueryOTAJob	Queries the details of a specified upgrade batch.
CancelOTAStrategyByJob	Cancels the dynamic upgrade policy that is associated with a dynamic upgrade batch.
CancelOTATaskByDevice	Cancels pending device upgrade jobs for a specified upgrade package.
CancelOTATaskByJob	Cancels the device upgrade jobs in a specified batch.
CreateOTAModule	Creates an over-the-air (OTA) module for a product.
UpdateOTAModule	Modifies the alias and description of an OTA module.
DeleteOTAModule	Deletes a custom OTA module.
ListOTAModuleByProduct	Queries a list of OTA modules for a product.
ConfirmOTATask	Confirms device upgrade jobs that are in the To be confirmed state.
ListOTAUnfinishedTaskByDevice	Queries a list of unfinished device upgrade jobs for a specified device.
ReupgradeOTATask	Reruns failed or canceled device upgrade jobs in a specified batch.
ListOTAModuleVersionsByDevice	Queries a list of OTA module versions that are reported by a device.

Device job APIs

API	Description	MQTT instance support
CreateJob	Creates a device job.	No.
GenerateFileUploadURL	Generates information to upload a file to OSS.
UpdateJob	Updates the task configuration for a job.
QueryJob	Queries the details of a specific device job.
ListJob	Queries the list of jobs in an Alibaba Cloud account.
CancelJob	Cancels a job.
DeleteJob	Deletes a device job.
ListTask	Retrieves a list of jobs for a specified task or device.
QueryTask	Queries the jobs associated with a specified task.
QueryJobStatistics	Queries job statistics for each status in a specified task.
RerunJob	Reruns all timed-out and failed tasks in a specific device job.

APIs for value-added services

APIs for Real-Time Communication service

API	Description	Support for MQTT instances
BindLicenseProduct	Grants a license to a specified product.	No
BindLicenseDevice	Grants licenses to a batch of devices that belong to a specified product.
CheckBindLicenseDeviceProgress	Queries the progress of a batch authorization task based on the unique ID (CheckProgressId).
QueryLicenseDeviceList	Queries the list of devices that are granted licenses.
UnbindLicenseProduct	Cancels the license authorization for a specified product.

APIs of the IoT Digital Twin engine

API	Description	Are MQTT instances supported?
ImportDTData	Triggers the data mapping configuration of a digital twin to map data to a digital twin node.	No

APIs for the location service

API	Description	Supported on MQTT-based instances
GisQueryDeviceLocation	Queries device location information.	No.
GisSearchDeviceTrace	Queries device trace details.	No.

Voice Messaging APIs

API	Description	Are MQTT instances supported?
BindLicenseDevice	Grants a license to devices of a specified product.	No.
CheckBindLicenseDeviceProgress	Queries the progress of a batch authorization task based on the unique ID (CheckProgressId) returned by the API.
QuerySpeechLicenseAvailableQuota	Queries the remaining quota of the current license.
CreateSpeech	You can create a corpus.
UpdateSpeech	Updates speech, including the voice, speed, and volume.
GetSpeechVoice	Gets the voice for speech playback.
TestSpeech	You can preview the audio.
QuerySpeech	Queries the details of speech, such as the voice, type, and volume.
QuerySpeechList	You can query the corpus list.
PushSpeech	You can push the corpus to the device.
DeleteSpeech	Deletes speech.
QuerySolutionDeviceGroupPage	Queries the list of groups in a project.
QuerySpeechPushJob	You can query the list of corpus push tasks.
QuerySpeechPushJobDevice	Queries the devices in a specified speech push task.
QuerySpeechPushJobSpeech	Queries the details of speech in a push task, such as the voice, type, and text.
SpeechByCombination	Combine the scripts on the broadcast device.
SyncSpeechByCombination	You can synchronize the content on the group broadcast devices.
SpeechBySynthesis	Sends dynamic content to a device for playback.
QuerySpeechDevice	Queries the free space of a speech device.
QueryDeviceSpeech	Queries the list of speech on a device.
GetSpeechDeviceDetail	Queries the details of a speech device, such as the status and free space.
DeleteDeviceSpeech	You can delete the corpus from the device.
ShareSpeechByCombination	Pushes shared audio to a device for playback.
AddShareTaskDevice	Adds a device to a speech sharing task.
QueryShareTaskDeviceList	Queries the list of devices in a speech sharing task.
DeleteShareTaskDevice	Deletes a device from a speech sharing task.
QuerySpeechLicenseDeviceList	Queries the list of devices that have a Voice Messaging license.
GetSpeechLicenseDeviceStatistics	Queries the statistics information of devices that have a Voice Messaging license.
QueryProjectShareDeviceList	Queries the list of shared devices in a project.
PageQuerySpeechBroadcastHour	Performs a paged query for the hourly data of shared broadcasts in Voice Messaging.
CountSpeechBroadcastHour	Performs a paged query for the hourly data volume of shared broadcasts in Voice Messaging.
PageQuerySharedSpeechOpen	The recipient retrieves shared corpora through a paged query.
GetShareTaskByDeviceOpen	Queries a sharing task based on device information.
GetShareSpeechModelAudio	Gets the audio file of shared speech.
CreateSharePromotionActivity	Creates a promotion for a Voice Messaging sharing task.
QuerySharePromotionActivityAuditResult	Queries the audit result of a promotion for a Voice Messaging sharing task.
CreateSharePromotionSpeechModel	Creates shared speech for a promotion of a Voice Messaging sharing task.
AddDeviceToSharePromotion	Adds an existing shared device from a Voice Messaging sharing task to a promotion.
QueryShareProductNameByProductKey	Queries the name of the product to which a shared device belongs in a sharing task based on the ProductKey.

Message Delivery Service API

API	Description	Supported on MQTT-based instances
PrintByTemplate	You can use the receipt printing template that you created in the Jiyan Chuanshu console to print receipts.	No.

API for activating the service

OpenIotService: Activates IoT Platform.

Other APIs

For more information about calling the cloud APIs for IoT Edge, see Edge computing APIs.