This page lists every endpoint in the Data API, with its parameters, request body, response shape and error codes. It is generated from the API schema. Select an endpoint to expand it.
Endpoints70
OpenAPI3.1.0
GeneratedOct 08, 2026
POIs
Find places near a point, in a rectangle or by name, and read one place by id.
Polygons
List the green space polygons in an area, and get the H3 cells one polygon covers.
Ranking
Score a set of H3 cells by the places in them, with a weight per category.
Categories
The category tree used to filter places, with the number of places in each entry.
H3 — Public transport
Stations, lines and a transport summary per H3 cell.
H3 — Population & census
Population and census demographics per H3 cell, and one total for an area.
H3 — Transit coverage
The cells within a 15 minute walk of a station, and the covered share of each division.
H3 — Environment
Noise, air quality, flood risk, deprivation, broadband and crime per H3 cell. Available in GB, plus air quality and flood risk for France and Spain, air quality, flood risk, noise, crime and deprivation for the Netherlands, noise, broadband, crime and deprivation for metropolitan France, broadband, crime, partial noise and deprivation for Spain, air quality, flood risk, noise, crime and deprivation for the US, air quality and deprivation for Australia, crime for New South Wales, Victoria, South Australia and Queensland, and flood risk for Victoria, the ACT and Brisbane. A missing block means the measure did not reach the cell. The reading in that cell is unknown.
H3 — Cell features
H3 cells
Places and green space per H3 cell, and the resolutions each dataset has.
Geohash cells
The same place counts and records as the H3 endpoints, addressed by geohash at precision 6 or 7.
Public transport
Stations, lines, operators, modes and interchanges, by id, name or location.
Roads
Areas (divisions)
Administrative areas. Browse the tree and get the H3 cells of one area.
Stats
Place counts by source count and by category group, and the date of the data.
Countries
The countries the Data API covers.
Catalog
Every country with its datasets, their sources and the date of its data.
Personal scoring
Accuracy benchmark
Agreement and coverage against Google Places for each measured country.
Operational
Health, readiness and metrics endpoints for monitoring.