missing_feed_contact_email_and_url

Best Practices for feed_info.txt suggest providing at least one of feed_contact_email and feed_contact_url.

WARNINGGTFSqualitydraftMobilityData canonical GTFS Schedule validator

Related

• Source: MobilityData canonical GTFS Schedule validator

Citations

[1] missing_feed_contact_email_and_url rule reference

Rule metadata

Code	missing_feed_contact_email_and_url
Standard	GTFS
Source	MobilityData canonical GTFS Schedule validator
Severity	WARNING
Category	quality
Maturity	draft
Tags	mobilitydata, gtfs, quality
Retrieved	2026-06-12
Reference	https://gtfs-validator.mobilitydata.org/rules.html#missing_feed_contact_email_and_url