GET/coordinates/crs

API key required, sent as Authorization: Bearer snk_… or ?api_key=snk_….

Call it

bash

curl -fsS -X GET "https://api.mapmap.ai/coordinates/crs" \
  -H "Authorization: Bearer $MAPMAP_KEY"

Parameters

Name	In	Required	Description
q	query	no	Case-insensitive substring filter over the code and the name, e.g. `q=utm zone 30` or `q=27700`. Omit for the whole table

Responses

200{count, results: [{code, name, kind, unit, axes, accuracy, proj4}]}. accuracy states the datum-shift error of every entry, including the exact ones

401Missing or invalid API key

429Quota or rate limit exceeded

Error bodies follow the shared problem model documented on API conventions.

Also under coordinates

GET /coordinates/transform

Generated from https://api.mapmap.ai/openapi.json on 2026-09-17 · operationId get_crs