This page lists ClearBlade IoT Core requirements and related information.
Regions and versions
Cloud regions
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ClearBlade IoT Core supports HTTP 1.1 only (not 2.0).
Permitted characters and size requirements
Registries, device identifiers, and their associated fields are limited to certain characters. These fields are also limited in size (length or byte size).This table lists the
Each resource’s permitted characters and sizes
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Resource | Limitations |
|---|
Registry IDs | Permitted characters: [a-zA-Z][-a-zA-Z0-9._+~%]+ The first character must be a letter ([a-zA-Z]) Cannot start with "goog" Minimum length: 3 characters Maximum length: 255 characters
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Device IDs | Must be unique within the parent device registry Permitted characters: [a-zA-Z][-a-zA-Z0-9._+~%]+ The first character must be a letter ([a-zA-Z]) Cannot start with "goog" Minimum length: 3 characters Maximum length: 255 characters
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Device metadata keys | Permitted characters: [a-zA-Z][-a-zA-Z0-9._+~%]+ The first character must be a letter ([a-zA-Z]) Minimum length: 1 character Maximum length: 128 characters Maximum combined total size of all device metadata key-value pairs: 256 KB
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Device metadata values | |
Subfolders* | |
*Subfolders refer to the eventNotificationConfigs.subfolderMatches device registry field. It is used when matching MQTT or HTTP subfolders to a Cloud Pub/Sub topic.