PACER
PACER — Public Access to Court Electronic Records — is the US federal judiciary's official system for public access to docket and filing data. These guides cover how it works, how to query it programmatically, and how DocketLayer's agent-native API compares to the alternatives.
PACER Developer's Guide
Technical overview of PACER, CM/ECF, and federal court infrastructure for builders.
Read →How to Query PACER Programmatically
Automating PACER access with the API.
Read →Federal Case Number Format
A complete reference for how PACER case numbers are structured.
Read →Highest-Volume Federal Courts
Filing volume rankings by district — where the litigation is.
Read →PACER vs CourtListener vs DocketLayer
Feature, coverage, and pricing comparison of the three primary access paths.
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