USCIS case status guides.
Educational resources about USCIS internal APIs, receipt numbers, processing times, and case statuses. Written for applicants, not engineers.
Look up any USCIS status message or code, or track your case by formOpen the index →- Pillar Guide
IOE Case Status: How to Check & Track Your USCIS Case Online
A complete guide to tracking and understanding your USCIS IOE case status. Learn how to check silent updates, find the physical service center, and read raw API timelines.
- Guide
I-485 Rejection Notice: Rejected vs Denied, and What to Do Next
USCIS sent your Form I-485 back without deciding it. What a rejection notice means, how it differs from a denial, the reasons USCIS lists, and how a corrected filing works.
- Guide
Case Migrated To ELIS: What It Means and Your New Receipt Number
USCIS moved your case into its electronic system and gave it a new receipt number. What its message says, what to do with the new number, and what the status does not mean.
- Comparison
USCIS Case Status Tracker on GitHub vs. CaseStatusAPI
A fair, side-by-side comparison with the free tracker on GitHub Pages: how you get your data, where it is read, what each one shows, and which one fits you.
- Guide
What Reddit Recommends for Tracking Your USCIS Case
The USCIS case-tracking advice that actually recurs on r/immigration and r/USCIS — official tools, alerts, the internal-API trick, and the scams to avoid.
- Guide
USCIS Emma Chat: How to Reach a Live Agent
How to chat with Emma, when she can connect you to a live agent (Monday to Friday, 8am to 8pm Eastern), and the USCIS Contact Center phone numbers.
- Update
USCIS is Currently Processing the Case: Wording Change Explained
Did your status description change from "Case is still being processed" to "USCIS is currently processing the case"? Learn what this UI update means.
- Pillar Guide
USCIS Case Status Check: How to Track Your USCIS Immigration Case
The complete guide to performing a USCIS case status check online. Learn how to track your USCIS immigration case status, use myUSCIS, and check silent updates.
- Tool
USCIS API Event Codes Decoder
Use our interactive USCIS API event codes decoder tool. Search all 492 official NIEM status codes (e.g. DA, HA, IAF) to understand what they mean in your raw case JSON.
- Guide
What is USCIS Case Movement? How to Track Status & Location Shifts
Learn what USCIS case movement means, how to detect silent updates and database transfers, and how to track case file touches in your raw API JSON data.
- Explainer
USCIS API: What Does "ackedByAdjudicatorAndCms" Mean?
Found "ackedByAdjudicatorAndCms": true or false in your myUSCIS JSON data? Learn what this and other hidden database status flags mean.
- Guide
How to Track DACA Case Status Using the USCIS API
Learn how to track DACA (Form I-821D and Form I-765) approval notices, biometrics reuse, and card production milestones using the myUSCIS internal API.
- Guide
OPT Case Status API: Track EAD Card Production & Approval
Learn how to use the myUSCIS internal API to track your OPT or STEM OPT (Form I-765) approval, EAD card production milestones, and USPS shipping details.
- Explainer
USCIS Silent Update: Meaning, Causes, and How to Track It
Wondering why your USCIS case status date changed without a new message? Learn what a USCIS silent update is, common causes, and how to track hidden updates.
- Step-by-Step
USCIS JSON Reader: How to Find, Read & Analyze Case JSON
Learn how to extract and decode raw JSON data from the myUSCIS internal API. Understand receiptInfo, document lists, and hidden case timestamps.
- Step-by-Step
How to Check USCIS Case Status Using the Internal API
A step-by-step walkthrough of accessing your detailed case data through the same API endpoints used by the myUSCIS website.
- Reference
Every USCIS Case Status Meaning Explained
Comprehensive reference of every USCIS case status message — from "Case Was Received" to "Card Was Delivered" — decoded in plain English.
- Processing Times
I-130 Processing Time: How Long It Takes
How long the I-130 takes for a spouse, parent or sibling, where USCIS publishes the current time, and what slows it down.
- Guide
What Happens After I-130 Approval? Complete Next Steps
Your I-130 was approved — now what? Consular processing vs. adjustment of status, NVC timelines, and everything in between.
- Guide
I-485 Tracker & Adjustment of Status Guide
Everything about the green card application — eligibility, documents, interview prep, processing times, and how to track with internal API data.
- Processing Times
I-765 EAD Processing Time & Guide
Complete guide to Employment Authorization Document processing — categories, timelines, combo cards, and tracking.
- Strategy
Concurrent Filing I-130 & I-485: Strategy Guide
Should you file I-130 and I-485 at the same time? Eligibility, advantages, risks, and a complete package checklist.
- Step-by-Step
USCIS Request for Evidence (RFE): How to Respond
Got an RFE? Don't panic. Complete guide on what it means, common reasons, deadlines, and how to craft a strong response.
- Explainer
USCIS Service Centers Explained
Every USCIS service center decoded — SCD, NBC, TSC, CSC, NSC. Which one handles your case and what it means for your timeline.
- Guide
USCIS Biometrics Appointment: Notice, What to Bring & Rescheduling
Your appointment notice (Form I-797C), what to bring, what happens at the ASC, how to reschedule under USCIS's current rules, and what came next in shared cases.
- Explainer
Case Was Transferred and a New Office Has Jurisdiction: What It Means
What USCIS's transfer status means, why cases are moved, how a transfer can change your wait, and how to see which office has your case now.
- Explainer
What Does IOE Receipt Number Mean?
Understand the IOE prefix on USCIS receipt numbers: what it means, how it differs from MSC or SRC, and what it means for your case.
- Explainer
What Does "Case Is Being Actively Reviewed" Really Mean?
Decode the "Case Is Being Actively Reviewed" status — what's happening behind the scenes, typical timelines, and what to expect next.
- Troubleshooting
USCIS "My Progress" Unavailable — What It Means
Is USCIS My Progress showing as unavailable? Learn why this happens and how to check your real status through the internal API.
- Guide
Is My USCIS Timeline Normal?
Wondering if your processing time is normal? Compare your I-130, I-485, I-765 timeline against hundreds of real community data points.
- Guide
N-400 Citizenship Application Guide
Complete guide to the naturalization process — eligibility, documents, interview preparation, civics test, oath ceremony, and processing timelines.
- Step-by-Step
How to Expedite Your USCIS Case
A complete guide to requesting expedited processing — who qualifies, how to write a strong request, what evidence to include, and what to expect.
- Guide
I-751 Remove Conditions on Green Card
Everything about removing conditions on your marriage-based green card — filing window, evidence, divorce waivers, interviews, and timelines.
- Guide
USCIS Interview Preparation: What to Expect
What to bring, questions you may be asked, interpreters and attorneys, how to reschedule under USCIS's current rules, and what happens if you miss it.
- Processing Times
Marriage-Based Green Card Timeline
Realistic timelines for marriage-based green cards — CR-1/IR-1 consular processing, I-485 adjustment of status, and factors affecting speed.
- Guide
I-131 Advance Parole: Travel While Pending
When you need Advance Parole, how to apply, processing times, combo cards, and critical travel rules for pending I-485 applicants.
- Troubleshooting
USCIS Case Status Not Updating: What to Do
Why your case status may be stale, how to check internal API data for hidden updates, and when to take action.
- Guide
I-140 Employment-Based Petition Guide
EB-1, EB-2, EB-3 categories explained. Premium processing, priority dates, AC21 portability, and employer obligations.
- Guide
National Interest Waiver (NIW) Guide
The EB-2 NIW lets you self-petition without an employer. Covers the Dhanasar framework, evidence strategies, and processing timelines.
- Reference
USCIS Filing Fees in 2026
Updated fee schedule for all major forms — I-130, I-485, I-765, N-400, I-140. Fee waivers, payment methods, and 2024 fee rule changes.
- Guide
H-1B to Green Card: Transition Guide
Step-by-step from H-1B to permanent residency — PERM labor certification, I-140, priority date waits, and maintaining H-1B status.
- Explainer
USCIS Combo Card (EAD/AP) Explained
One card for work and travel while your green card is pending. How to apply, processing times, and important rules.
- Guide
USCIS Medical Exam (I-693) Guide
Finding a civil surgeon, required vaccinations, costs, how long it stays valid, and filing Form I-693 with your I-485.
- Step-by-Step
How to Escalate a Delayed USCIS Case
Service requests, congressional inquiries, DHS Ombudsman, and mandamus lawsuits — when and how to use each escalation option.
- Explainer
USCIS Priority Date Explained
What your priority date is, how to read the Visa Bulletin, per-country backlogs, retrogression, and strategies for long waits.