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Guides API Reference Release Notes

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Modern Treasury API

Getting Started

Topics

Authentication
Live vs. Test Mode
Status Codes
Errors
Metadata
Idempotent Requests
Rate Limits
Pagination
Timestamps
External IDs

Payments

Payment Orders
Line Items
Returns
Incoming Payment Details
Reversals
Payment References
- Get Payment Referenceget
- List Payment Referencesget
Payment Actions
Holds

Counterparties

Counterparties

Legal Entities

Legal Entities
Identifications
Legal Entity Associations
- Create Legal Entity Associationpost
Connection Legal Entities

Bank Accounts

Internal Accounts
Virtual Accounts
External Accounts
Routing Details
Account Details
Contact Details
Balance Reports
Balances
Connections
- List Connectionsget
Account Capabilities
- Update Account Capabilitypatch

Foreign exchange

Foreign Exchange Rates
Foreign Exchange Quotes

Reconciliation

Expected Payments
Transactions
Transaction Line Items
Reconciliation Group
- Get Reconciliation Groupget
- Create Reconciliation Grouppost
Entity Links

Ledgers

Ledgers
Ledger Accounts
Ledger Transactions
Ledger Entries
Ledger Account Categories
Ledger Account Settlements
Ledger Account Statements
- Create Ledger Account Statementpost
- Get Ledger Account Statementget
Ledger Account Balance Monitors
Ledger Balances

Bulk Operations

Bulk Requests
Bulk Results
- Get Bulk Resultget
- List Bulk Resultsget

Developers

API Keys
- Current API Keyget
Events
- List Eventsget
- Get Eventget
Webhook Events
- Create Webhook Eventpost
- Get Webhook Eventget
Webhook Endpoints

Webhooks

Overview
Balance Report Webhooks
Bulk Request Webhooks
Connection Legal Entity Webhooks
Expected Payment Webhooks
External Account Webhooks
Incoming Payment Detail Webhooks
Invoice Webhooks
Ledger Account Webhooks
Ledger Account Balance Monitor Webhooks
Ledger Account Settlement Webhooks
Ledger Transaction Webhooks
Legal Entity Webhooks
Payment Order Webhooks
Payment Reference Webhooks
Return Webhooks
Reversal Webhooks
Transaction Webhooks
User Onboarding Webhooks
Virtual Account Webhooks

Additional Resources

Addresses
Documents
IP Addresses

Validation Endpoints

Routing Numbers
- Validate Routing Numberget

Simulation Endpoints

Incoming Payment Detail
- Simulate Incoming Payment Detailpost

Invoices

Invoices
Invoice Line Items

Flows

Account Collection Flows
Payment Flows

Modern Treasury JS

Overview
Installation
Initialization
Embeddable Flow

Powered by

Update Payment Flow

patch

https://app.moderntreasury.com/api/payment_flows/{id}

Update a payment flow

Language

Credentials

Basic

base64

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