--- title: "Specification and Feature Overview" slug: "specification-and-feature-overview" status: "update" updated: 2026-07-07T08:01:38Z published: 2026-07-07T08:01:44Z canonical: "docs.mapp.com/specification-and-feature-overview" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.mapp.com/llms.txt > Use this file to discover all available pages before exploring further. # Specification and Feature Overview > [!WARNING] > Warning > > Avro is a deprecated data stream format. New activations of Avro streams are no longer available. Existing Avro streams remain supported until December 31, 2026. To continue receiving data streams after this date, contact your Mapp account manager to migrate to JSON. Mapp Data Streams has the following core functionalities: | **Data** | A streaming API providing a stream of fully transformed request level Mapp tracked data within seconds of collection via Pixel (JavaScript), SDKs, or Tag Integration. | | --- | --- | | **Format** | Depending on their use case requirements, customers can choose between JSON or AVRO during activation. | | **Columns (Fields)** | Access to all (>200) standard and custom (account specific) metrics and dimensions including category information, device information etc. Please refer to the full [Record Contents](/v1/docs/record-contents) tables for further reference. | | **Filters** | Up to 15 filters can be used simultaneously. Currently only AND is supported to connect filters, but OR will be supported later. The number of filters can be changed on request. | | **Delivery** | Mapp provides a public Kafka stream API to be connected with authentication. The connections will be encrypted using TLS 1.2. | | **Time** | The time between the collection of the request and the associated event to be available in the respective topic is between 1 to 15 seconds. Additional latency up to a few seconds could be caused by infrastructural dependencies. | | **Processed** | Processed Mapp tracked data will be available in the stream. | | **Frequency** | Real-time | | **Failover** | Customers could start consuming data from an offset within the data retention period if needed. | | **Retention** | Number of data retention hours per package: - Standard: 8 hours - Advanced: 72 hours - Expert: 168 hours Please [contact us](https://mapp.com/contact-us/) to learn more. | | **Root Stream** | By default, all activated accounts have a non-configurable/non-filterable root stream to access all available raw data. > [!WARNING] > Please note that the availability of metrics and dimensions is a moving target. That means that more standard as well as account-specific metrics and dimensions are added in future updates. | | **Custom Streams** | Number of custom streams per package: - **Standard**: 1 - **Advanced**: 3 - **Expert**: 5 Please [contact us](https://mapp.com/contact-us/) to learn more. | | **User Interface** | The Data Streams Management user interface in the Mapp Intelligence Suite will be available for customers that have Data Streams activated, see [Data Streams User Interface](/v1/docs/data-streams-user-interface). |