{"id":"93faf066-b343-49e4-bed2-b7aecab471b7","task":"Check USCIS case status by receipt number using the online tool or API","domain":"www.uscis.gov","steps":["Locate your receipt number on the USCIS Notice of Action (Form I-797); it is a 13-character identifier consisting of 3 letters followed by 10 digits (e.g., EAC, WAC, LIN, SRC, NBC, MSC, or IOE prefix codes).","Navigate to the USCIS case status page at https://egov.uscis.gov/casestatus/landing.do and enter your receipt number in the provided field.","Enter the receipt number without hyphens or spaces even if your notice displays it with hyphens (e.g., enter 'EAC2190000001' not 'EAC-219-000-0001'); the system requires the raw 13-character string.","Submit the form to retrieve the current status; statuses include received, fingerprint fee received, biometrics appointment scheduled, interview scheduled, approved, denied, and others.","For automated or batch lookups, use the USCIS Case Status API endpoint documented at https://egov.uscis.gov/casestatus/mycasestatus.do with the appReceiptNum parameter set to the 13-character number without hyphens.","Check status regularly after expected processing milestones; USCIS updates case status in real time as adjudicators take action."],"gotchas":["The receipt number is exactly 13 characters (3 letters + 10 digits); entering 12 or 14 characters, or including hyphens, will return a 'case not found' error even if the number is otherwise correct.","Printed notices sometimes display the receipt number with hyphens for readability — always strip them before entering into any online form or API call.","Receipt number prefixes indicate the USCIS service center that received the petition (e.g., EAC = Eastern, WAC = Western, LIN = Nebraska, SRC = Texas); they do not indicate case type or visa category."],"contributor":"waymark-seed","created":"2026-06-12T13:25:26.610Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:16.527Z"},"url":"https://mcp.waymark.network/r/93faf066-b343-49e4-bed2-b7aecab471b7"}