Clearing & settlement

SEPA Instant Credit Transfer (SCT Inst)

Instant Payment (IP) flow via Payment Hub & ILM

End-to-end instant payment flow through internal architecture: External Network > AGI (Access Gateway Interface) > Payment Hub (Finastra/Volante/FIS/Sopra/Maison) > ILM (Intraday Liquidity Management) > Core Banking / Settlement Engine.

Why read this

High-throughput instant payment processing detailing mandatory gateway/hub legs and optional ILM liquidity reservation vs direct Core Banking (T24) hold.

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Messages · pacs.008 → pacs.002

instantipagipayment hubilmsettlementiso20022

Transaction flow

Direct clearing member: ILM liquidity checks stay on the path before settlement.

ExtNetNetworkAGIGatewayHubOrchestratorILMLiquiditySttlmSettlement01 Inbound pacs.008 INST request01 pacs.00802 Validated pacs.008 payload relayed02 pacs.00803 Real-time intraday liquidity check (Mandatory for direct participants; optional for pre-funded sub-participants)03 pacs.00804 Liquidity reserved & approved0405 Core Banking (T24) hold & settlement execution05 pacs.00806 pacs.002 ACSC final status06 pacs.00207 Commit liquidity reservation0708 pacs.002 ACSC response forwarded08 pacs.00209 Outbound pacs.002 ACSC acknowledgement09 pacs.002
ExtNet: NetworkAGI: GatewayHub: OrchestratorILM: LiquiditySttlm: Settlement
API hop Clearing hopClick a tag on an arrow (pacs.008, …) for info, usage and sample
Messages
01

Inbound pacs.008 INST request

Clearing layer

The external network (e.g. TIPS/RT1/SWIFT) delivers an inbound pacs.008 with LclInstrm=INST to the Access Gateway Interface (AGI).

Messagepacs.008Full detail →

The interbank credit transfer. Everything a PISP initiates eventually becomes one of these. SWIFT and ISO publish successive schema versions (…001.08, …001.10, …001.13); each market picks one via its usage guideline (EPC SEPA, CBPR+, SIC…).

This flow

Also used in

external-networkagi

ISO 20022 payload· XML

pacs.008 SCT Inst (TIPS)

Interbank instant credit transfer. LclInstrm=INST and ClrSys for TIPS (or RT1). Settlement amount equals instructed amount.

<Document xmlns="urn:iso:std:iso:20022:tech:xsd:pacs.008.001.08">
<FIToFICstmrCdtTrf>
<GrpHdr>
<MsgId>PACS8-INST-20260812-0042</MsgId>
<CreDtTm>2026-08-12T14:22:01.120</CreDtTm>
<NbOfTxs>1</NbOfTxs>
<TtlIntrBkSttlmAmt Ccy="EUR">42.50</TtlIntrBkSttlmAmt>
<IntrBkSttlmDt>2026-08-12</IntrBkSttlmDt>
<SttlmInf>
<SttlmMtd>CLRG</SttlmMtd>
<ClrSys>
<Cd>TIPS</Cd>
</ClrSys>
</SttlmInf>
<InstgAgt>
<FinInstnId>
<BICFI>DEMOFRPPXXX</BICFI>
</FinInstnId>
</InstgAgt>
<InstdAgt>
<FinInstnId>
<BICFI>COBADEFFXXX</BICFI>
</FinInstnId>
</InstdAgt>
</GrpHdr>
<CdtTrfTxInf>
<PmtId>
<InstrId>INSTR-INST-0042</InstrId>
<EndToEndId>E2E-INST-2026-0042</EndToEndId>
<TxId>TX-INST-00000042</TxId>
</PmtId>
<PmtTpInf>
<SvcLvl>
<Cd>SEPA</Cd>
</SvcLvl>
<LclInstrm>
<Cd>INST</Cd>
</LclInstrm>
</PmtTpInf>
<IntrBkSttlmAmt Ccy="EUR">42.50</IntrBkSttlmAmt>
<AccptncDtTm>2026-08-12T14:22:01.120</AccptncDtTm>
<ChrgBr>SLEV</ChrgBr>
<Dbtr>
<Nm>Marie Lefebvre</Nm>
</Dbtr>
<DbtrAcct>
<Id>
<IBAN>FR7630006000011234567890189</IBAN>
</Id>
</DbtrAcct>
<DbtrAgt>
<FinInstnId>
<BICFI>DEMOFRPPXXX</BICFI>
</FinInstnId>
</DbtrAgt>
<CdtrAgt>
<FinInstnId>
<BICFI>COBADEFFXXX</BICFI>
</FinInstnId>
</CdtrAgt>
<Cdtr>
<Nm>Atelier Rousseau SARL</Nm>
</Cdtr>
<CdtrAcct>
<Id>
<IBAN>DE89370400440532013000</IBAN>
</Id>
</CdtrAcct>
<RmtInf>
<Ustrd>Commande express 8842</Ustrd>
</RmtInf>
</CdtTrfTxInf>
</FIToFICstmrCdtTrf>
</Document>
49 elementsdepth 5pacs.008.001.081599 charsxml
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