{"version":1,"slug":"crossref-api","display_name":"Crossref API","endpoint_type":"rest","status":"operational","last_checked_at":"2026-08-03T11:09:19.877Z","response_time_ms":1121,"uptime_90d_pct":99.91,"drift":[{"date":"2026-07-08T07:55:05.232Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-07-07T01:04:38.405Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-07-06T07:54:36.691Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-07-05T23:39:34.579Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-07-04T05:15:00.737Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-07-03T10:54:36.327Z","type":"breaking","summary":"19 fields changed: message.items[].ISBN, message.items[].assertion, message.items[].isbn-type, +16 more"},{"date":"2026-07-03T08:59:36.959Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-07-02T02:05:00.443Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-07-01T02:34:15.917Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-06-30T10:29:16.422Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-06-30T09:10:05.740Z","type":"status_changed","summary":"Status code changed from 0 to 200"},{"date":"2026-06-30T09:06:19.032Z","type":"status_changed","summary":"Status code changed from 200 to 0"},{"date":"2026-06-29T08:04:21.017Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-06-26T07:39:58.513Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-06-25T07:39:33.016Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-06-25T07:24:22.280Z","type":"status_changed","summary":"Status code changed from 0 to 200"},{"date":"2026-06-25T07:11:23.590Z","type":"status_changed","summary":"Status code changed from 200 to 0"},{"date":"2026-06-24T11:34:36.047Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-06-23T09:44:36.399Z","type":"breaking","summary":"Type changed from object to unknown"},{"date":"2026-06-23T09:00:27.028Z","type":"status_changed","summary":"Status code changed from 0 to 200"}],"vendor_indicator":null,"vendor_components":[]}