Publishing and harvesting help

How to fix accrualPeriodicity validation errors caused by plain English update frequency descriptions instead of the required ISO 8601 duration codes.

How to fix harvest validation errors in the contactPoint.hasEmail field caused by malformed email addresses, extra text, multiple addresses, or invisible characters.

How to identify and fix malformed date values in the modified and issued fields, the most common cause of harvest validation errors.

How to fix harvest validation errors where the keyword field is present but contains a string instead of the required array of strings.

How to fix license validation errors caused by free text descriptions or CSS strings in a field that requires a URL.

How to fix harvest validation errors caused by required metadata fields that are absent entirely from a dataset record.

How to identify and respond to less common harvest errors including duplicate identifiers, unrecognized record structures, and synchronization failures.

An overview of the most common harvest errors on harvest.data.gov, based on analysis of errors across 81 harvest sources. Use this page to identify your error type and find the right fix.…

A one-page summary of the most common harvest validation error fixes, including field corrections and ISO 8601 duration codes for accrualPeriodicity.

How to identify and fix transformation errors, which occur when harvest.data.gov cannot read or convert a metadata record before validation even begins.

A step-by-step guide to understanding harvest errors, reading the harvest job page, and fixing the most common metadata problems.

Learn how Data.gov harvests metadata from agency data sources and how to request a new harvest source or modify an existing one.

Details on how to get started with using inventory.data.gov, from creating a user account to using its features to manage datasets and export data.json.

A plain-language introduction to how harvest.data.gov works, what it does, and why it matters for federal data publishers.