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Guides API Reference Changelog

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The Helcim API

General
- Tests connectivity to the Helcim APIget
Payment
Card Batch
Card Transaction
- Collects up to 1000 Card Transactionsget
- Get Card Transaction by idget
Customer
Invoice
ACH Payment
Card Terminal
- Get card terminalsget
Device

Recurring API

Payment Plans
Subscriptions
Add-Ons
Procedures
- Process a subscription paymentpost

HelcimPay.js

Helcim Pay
- Creates a HelcimPay.js Checkout Sessionpost
- Uploads the logo to be displayed on the HelcimPay.js modalpost

Refund an ACH transaction.

put

https://api.helcim.com/v2/ach/transactions/{transactionId}/refund

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