Skip to content


  • 2024-04-16. HTML issues include code snippets as collection of extracts and coordinates.
  • 2023-06-05. Rename the field last_fired_at as last_run_at for Schedules.
  • 2022-02-17. The Reports endpoint can now list Guest Reports.
  • 2022-01-08. Updates Schedules section, after adding UPDATE and DELETE to the schedules endpoint.
  • 2022-01-07. Updates [Schedules]/( section, after adding CREATE to the schedules endpoint.
  • 2021-12-24. Updates mutings, now muted issues are no longer stored, so there's no reference to it.
  • 2021-11-04. Updates Reports section, explaining what attributes are required, which ones are optional and their defaults, and adding the domain attribute.
  • 2021-08-28. Changed API host to
  • 2020-05-12. Updates Reports section, explaining how to create and delete Reports, and the new checks detail. Updates Schedules section with rename of boolean attributes perform_html_checks and perform_a11y_checks.
  • 2020-05-05. Added Mutings section.
  • 2020-05-04. Upgraded Schedules section, to include Schedule listing, retrieving, and filtering of Reports by Schedule. Add Quick Start section with code examples.
  • 2020-04-12. Added Resources, Common Accessibility Issues, and Common HTML Issues sections. Expand each resource section with description of attributes, relationships, and example.
  • 2020-04-10. Reorganized API guides in separate sections.
  • 2020-04-07. Use underscore instead of dash in keys.
  • 2020-04-06. Changed API tokens URL to api/tokens.
  • 2020-03-13. Moved documentation to
  • 2020-03-02. Changed API host to
  • 2020-02-28. Initial version.