28 Mar 2026, 14:32 UTC313 viewsread 8 August 2026
JCB L3 test cards added to iso8583.info. These test cards replacing the deprecated JCB TCI and TCI-CL sets. The contactless test cards can be simulated with HCEbridge application.
Channel
iso8583.info
@iso8583info
On this record: Growth · Engagement · Posts · Cite this entry
507subscribers
-11 since we began measuring on 7 August 2026
Risers and fallers across the register · movement among entries of Under 1,000.
Register entry
| Telegram ID | -1002025512941 |
|---|---|
| Type | Channel |
| Username | @iso8583info |
| Created | Between 1 November 2023 and 24 December 2023 — estimated from Telegram’s id allocation, not measured. How this range is calculated. |
| First recorded | 8 August 2026 |
| Last confirmed live | 31 August 2026 |
| Measurements held | 5 |
| Confirmed unchanged | 1 time, most recently 31 August 2026 |
| On Telegram | t.me/iso8583info |
Growth
| Measured (UTC) | Subscribers | Change |
|---|---|---|
| 31 Aug 2026, 17:18 | 507 | -3 |
| 23 Aug 2026, 22:55 | 510 | -1 |
| 16 Aug 2026, 08:57 | 511 | -7 |
| 8 Aug 2026, 04:03 | 518 | no change |
| 7 Aug 2026, 21:28 | 518 | first reading |
Engagement
20 posts held, back to 24 December 2023 — the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 1 page of Telegram’s post history, 20 posts per page.
Nothing published in the last 30 days. ERR and ER are rolling 30-day measures, so there is nothing to compute — we hold 20 posts for this entry, the most recent from 28 March 2026. An engagement rate over an empty window would be a number about nothing.
Recent posts
18 Jan 2026, 17:00 UTC535 viewsread 8 August 2026
AMEX L3 Expresspay test cards (EP) Build 004 added to iso8583.info. These EP Amex Expresspay contactless test cards replacing the deprecated XP test cards set. They can be simulated with HCEbridge application.
18 Jan 2026, 16:57 UTC529 viewsread 8 August 2026
Cleaning the iso8583.info cards from old test profiles. AMEX AEIPS, JCB TCI / TCI-CL and MasterCard CIS expired test cards definitions were archived. They will be replaced with newer EMVCoL3 test cards later.
4 Jan 2026, 11:10 UTC619 viewsread 8 August 2026
MasterCard's contact and contactless M-TIP 2.0 Build 300 cards definitions added to iso8583.info. The contactless tests cards can be simulated with HCEbridge application.
2 Jan 2026, 13:06 UTC554 viewsread 8 August 2026
HCE Bridge application update VISA-L3 Global Level 3 cards to build 022.
25 Dec 2025, 19:22 UTC604 viewsread 8 August 2026
HCE Bridge application update Discover/Diners DGN D-PAS Level 3 test cards to v2.10. * DCI_Connect_024, Data Storage - values added * DCI_Connect_033, Tag x57 Track2 Equivalent Data - APDU updated * DN_Connect_096, CA Public Key Index 5D + Search entry tag for expired cards
14 Dec 2025, 16:02 UTC653 viewsread 8 August 2026
Elavon ISO Protocol (EISOP) ISO8583 messages parser added into iso8583.info tools.
23 Nov 2025, 20:02 UTC806 viewsread 8 August 2026
ID TECH readers TLV Tags definitions added to the iso8583.info parsing tools.
21 Jul 2025, 16:50 UTC≈1,160 viewsread 8 August 2026
Happy to announce that both HCE Bridge and NFC Reader applications updated to latest android SDK and released at Google Play. Hopefully the occasional crushes on Android 13+ phones will be eliminated.
7 Jun 2025, 17:15 UTC≈1,180 viewsread 8 August 2026
📲 HCE Bridge by iso8583.info: Your Mobile Lab for Contactless Payment Testing Turn your Android phone into a powerful, portable simulator for testing contactless payment cards with HCE Bridge. Designed for payment developers and testers, this tool helps you emulate real-world card behavior and inspect transaction flows using just your phone’s NFC. --- ### 🔧 Key Features * EMV Kernel Simulation Simulate major EM…
23 Feb 2025, 13:16 UTC≈1,140 viewsread 8 August 2026
iso8583.info HCE Bridge test cards profiles update: - Amex L3 Expresspay XP v020.
22 Feb 2025, 21:47 UTC≈1,140 viewsread 8 August 2026
Feel free to boost https://t.me/boost/iso8583info
Showing the 12 most recent of 20 posts we hold for @iso8583info. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.
Cite this entry
A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 31 August 2026 — this entry's latest reading, not the date you are reading this.
“iso8583.info” (@iso8583info), 507 subscribers as measured 31 August 2026. Telegram Register, tgregister.com/channel/iso8583info.
Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.