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◆ClearingPost

ITMX Bulk Payment

ACH

Thailand's interbank batch clearing system operated by National ITMX, a consortium of Thai commercial banks established under the Thai Bankers' Association with Bank of Thailand governance. Handles bulk credit transfers, direct debits, and payroll payments. Settlement via deferred net settlement (DNS) through BAHTNET. Modernized to ISO 20022 in 2021 with ACI Worldwide platform. Processed 96 million transactions totalling ฿4.3 trillion in 2020.

NowHours: computing from the published schedule…Service condition: not monitored details

ClearingPost does not assess whether ITMX Bulk Payment is running normally.

Next

Dated items ClearingPost holds, each with its source and whether the date is confirmed

No supported upcoming items in ClearingPost's records for ITMX Bulk Payment.

ClearingPost holds sourced upcoming items for 10 of 150 systems; an empty list is a statement about ClearingPost's records, not about a system's plans.

Changed

Material, sourced changes ClearingPost recorded; corrections to its own record are labelled as such

No substantive change recorded for ITMX Bulk Payment in ClearingPost's change records.

The full activity log for this system, including context notes, is on the Changes page.

Sources No status page recorded · 10 of 13 fields carry a source and a recorded date · latest sourced entry recorded 13 Sep 2026 · evidence details ↓

Record · ITMX Bulk Payment

Country
Thailand (TH)
Currency
Thai Baht (THB)
Operator
National ITMX (NITMX)
Type
ACH
Operating Window
00:00–00:00 UTC · Mon–Fri
Year Established
2006
Daily Volume
฿17B
Tier?
Tier 2
ISO 20022?
Migrated
Region
Asia-Pacific
Settlement Type?
Net
Participants
35 member banks + 2 non-bank institutions
Notes

Per-day figures are ClearingPost conversions of the Bank of Thailand monthly tables for ITMX Bulk Payment (SMART), PS_PT_002 for volume and PS_PT_003 for value, using about 20 Thai business days a month; BOT publishes each month with a roughly two-month lag and June 2026 is the latest month available. Monthly readings swing widely: May 2026 was the first-half high in both count and value and June fell back sharply on volume, so any single month can sit well away from the running average. June happens to sit almost exactly on the January-June 2026 mean for value, which makes it a fair anchor for the value field but a conservative one for the count.

National ITMX (NITMX) official website →
See all ACH systems →See all systems in Thailand →ISO 20022 migration status →Payment rails by country →
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BEPS (CNAPS)ACH
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IBPSFPS
China · CNY · CNCC (China National Clearing Center) / PBoC

Operations · ITMX Bulk Payment

Operational monitoring: not configured. ClearingPost does not monitor operational sources for this system and does not assess its current service condition.

Operations lists the systems ClearingPost monitors and the operational events it has recorded.

Intelligence for ITMX Bulk Payment (1)

Coverage whose headline or summary names ITMX Bulk Payment, or names its operator or country together with its system type. Each item quotes that evidence and says whether the source is the ITMX Bulk Payment operator or external.

AnalysisMar 25, 2026Headline names “ITMX Bulk”
ITMX Bulk Payment: Thailand's Batch Clearing System Processes 64 Million Transactions in H2 2025
Settlement for ITMX Bulk Payment occurs within BAHTNET operating hours between 08:30 and 16:30 ICT.
External source · Bank of Thailand