Changes to Look up an IP address (query param or the caller's own)

the response property errors/items/code became required for the status 400

the response property errors/items/code became required for the status 401

the response property errors/items/code became required for the status 403

the response property errors/items/code became required for the status 404

the response property errors/items/code became required for the status 405

the response property errors/items/code became required for the status 410

the response property errors/items/code became required for the status 502

the errors/items/code response's property pattern ^[a-z_]+\.[a-z0-9_]+$ was added for the status 400

the errors/items/code response's property pattern ^[a-z_]+\.[a-z0-9_]+$ was added for the status 401

the errors/items/code response's property pattern ^[a-z_]+\.[a-z0-9_]+$ was added for the status 403

the errors/items/code response's property pattern ^[a-z_]+\.[a-z0-9_]+$ was added for the status 404

the errors/items/code response's property pattern ^[a-z_]+\.[a-z0-9_]+$ was added for the status 405

the errors/items/code response's property pattern ^[a-z_]+\.[a-z0-9_]+$ was added for the status 410

the errors/items/code response's property pattern ^[a-z_]+\.[a-z0-9_]+$ was added for the status 502

endpoint added