For AI agents: visit https://developers-ach.seamlesschex.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.

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v2

API Reference Guides Seamless ACH Dashboard Sandbox

API Reference

Guides Seamless ACH Dashboard Sandbox

v2Home Guides API Reference

SEAMLESS ACH REST API

Getting Started

CUSTOMERS

Create a Customerpost
Update a Customerpost
Get Customer Account Detailsget
Get Multiple Customer's Account Detailsget
Get Customer Funding Source Detailsget

Funding Sources

Add a Bank Account to a Customer’s Profile
Update Funding Sourcepost
Delete a Funding Sourcepost
Transfer Funds To Balance Accountpost
Transfer Funds From Balance to Bank Accountpost
Promote Funding Source To Primarypost
Get Funding Source Detailsget
Get Seamless ACH Balanceget

PAYMENTS

On-Demand Payments
Invoices
Payment Links
Send Payments
Refund Payments
- Create a Refundpost
Recurring Payments

NOTIFICATIONS

Retrieve Single Notification Linkget
Retrieve Multiple Notification Linksget
Resend Notification Linkpost
Void Notification Linkdel

ACCOUNT MANAGEMENT

Get Account Informationget
Add Signature to Accountpost

WEBHOOKS

Overview
Set Webhook URLpost
Webhook Endpoint
Payment Webhooks
Customer Webhooks
Funding Source Webhooks
Partner Webhooks
Bank Account Re-Sync Webhook

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Recurring Payments

Set up and manage subscription payments

Updated over 1 year ago

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Updated over 1 year ago

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