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ODN API

by ODN Free tier

The Socrata OpenDataNetwork (ODN) REST API exposes public data, often continuosly updated and enhanced, from many thousands of public government and non profit agencies. Much of this data originating from independent sources is fused together to create new, and often powerful, entity level data. Th

aiopendatanetwork

Quick Reference

Base URL http://api.opendatanetwork.com Auth type none Auth header # No auth required Rate limit See documentation Pricing Enterprise / contact sales Free quota None Documentation http://api.opendatanetwork.com Endpoint status Live — HTTP 200 — endpoint is accessible4.74s (checked Mar 29, 2026) Builder score D 43% builder-friendly
Pricing
28
Latency
20
Depth
72

Authentication

No authentication required

# No auth required

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free — open public API, no authentication required.

Key Endpoints

MethodPathDescription
GET /data/v1/availability/ Find all available data for some entities
GET /data/v1/constraint/{variable} Get constraint permutations for entities
GET /data/v1/map/new Create a map
GET /data/v1/values Get values for variables
GET /entity/v1 Get Entities
GET /entity/v1/{relation} Find the relatives of an entity
GET /search/v1/dataset Get datasets
GET /search/v1/question Get questions

Sample Request

curl -X GET 'http://api.opendatanetwork.com/data/v1/availability/' \
  -H '# No auth required'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official ODN documentation.