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Parser vs. Analysis Comparison

This article explains the differences between TagoIO's Payload Parser and Analysis, summarizing capabilities, limits, and built-in features to help choose the right option for processing device payloads.

The Payload Parser was created to handle raw payloads sent by devices in order to extract measured variables or execute simple operations. The Analysis feature is more powerful — it includes access to Devices and external services, but there is a cost to run analyses. Payload Parser uses a simple JavaScript engine developed by TagoIO to be easy, lightweight, and free.

Comparison

| Features | Payload Parser | Analysis | | --------------------------- | ---------------------------: | ---------------------------------------------: | | Code size limit | 64kb | 5MB | | Language | Simple JavaScript syntax | Full JavaScript and others | | Async | No | Yes | | Sync | Yes | Yes | | Allows custom functions | Yes | Yes | | Allows external integration | No | Yes | | Allows requires/imports | No (only built-in functions) | Yes | | Console log or context | Yes (Device Inspector) | Yes | | Timeout | 1,000 ms | Custom | | Try/Catch | No — an error stops parsing | Yes | | Predefined variables | msg | device, context, scope, result | | Needs Action to trigger it | No | Yes | | Cost of the service | Free | Check out /pricing |

Notes

  • Payload Parser is intended for lightweight parsing and basic operations
directly on incoming device payloads.
  • Analysis offers broader capabilities (access to devices, external services,
larger code size, and more advanced error handling), suitable for more complex workflows. free parsing needs and Analysis when you need external integration, advanced JavaScript features, or persistence across executions.