Data Packs US Data Index

US Data Index Labs

An index of public US Esri REST services. Searchable, mappable and queryable.

Users and agents search and query Esri REST services and get answers with a citation.

Included at no additional cost with KxAI seats while the US Data Index is in Labs.

See pricing plans

How it works

Koordinates indexes public Esri services, capturing information about each service and its URL. Those records go into a searchable index.

Map viewer

Draw and style an indexed service on the map, alongside your own layers.

KxAI Map Analyst

Find layers and ask questions of them using AI chat.

MCP

Search the index and query datasets from Claude or ChatGPT using MCP.

Service reliability depends on the publisher of the Esri REST service.

Current coverage

2,637
servers
921,195
layers and tables
25.7 billion
features
United States by county: 2,655 of the 3,142 counties drawn have data published about them, shaded by layers per county.
  • layers per county
  • ≤6
  • 7–24
  • 25–116
  • 117–445
  • 446+
  • state or federal data only
  • none

Figures as at 8 September 2026.

Data types available

Vector data only, published as Esri REST endpoints by US cities and towns, counties, state departments, regional bodies and MPOs, universities and federal agencies.

  • Points Addresses, assets, sample sites
  • Lines Roads, pipes, streams
  • Polygons Parcels, zones, boundaries

Labs

The US Data Index is in Labs: an in-development catalog of data that we are enhancing as we go. It moves through three stages.

  1. Stage 1 Current stage

    Labs

    An in-development catalog, enhanced as we go. Free in the meantime.

  2. Stage 2

    Beta

    Key functionality identified from early user feedback is available, and subscription fees announced.

  3. Stage 3

    Launch

    Dataset index at high coverage, and available under all plans with a clear fee structure.