Develop custom consumers with shared throughput using KCL

Important

Amazon Kinesis Client Library (KCL) versions 1.x and 2.x are outdated. KCL 1.x will reach end-of-support on January 30, 2026. We strongly recommend that you migrate your KCL applications using version 1.x to the latest KCL version before January 30, 2026. To find the latest KCL version, see Amazon Kinesis Client Library page on GitHub. For information about the latest KCL versions, see Use Kinesis Client Library. For information about migrating from KCL 1.x to KCL 3.x, see Migrating from KCL 1.x to KCL 3.x.

One of the methods of developing a custom consumer application with shared throughput is to use the Kinesis Client Library (KCL).

Choose from the following topics for the KCL version you are using.

Topics

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Document Conventions

Develop custom consumers with shared throughput

Develop KCL 1.x consumers