## Documentation Updates

- **2026-01**  
  - Added Test Data scenarios for INSTANT_FUNDING transactions  
- **2024-05**  
  - API Test Harness calls updated to include Account status workflows and auto-linking of a Plaid account bypassing the Plaid Link UI  
- **2024-01**  
  - Card Account workflows for API and Widget now includes Payment Account Validation based on client configuration  
- **2023-09**  
  - ACH Funding updates for ACH Funding Plus, Retries, Refunds  
  - [About Transactions](https://docs-v2.interchecks.com/reference/about-transactions) area lists specific error codes for ACH Funding and Refunds  
  - Added [Update Transaction](https://docs-v2.interchecks.com/reference/update-transaction) endpoint to cancel ACH Funding transactions in Processing or Retry status  
  - Transaction Webhook schema updated to reflect latest payload details  
- **2023-08**  
  - ACH Funding Guide  
  - Webhook Guide updated for Bank Account and Card Account notifications  
  - Create Transaction page updated with ACH Funding samples  
  - Create Transaction page updated with `transaction_id` parameter in certain error response scenarios  
  - Create Bank Widget page added with request & response samples  
  - ACH Return Codes page added  
  - API Error Codes updated with latest error codes  
- **2022-12**  
  - Webhook payload documentation update for `webhook_type` value  
- **2022-10**  
  - Reporting endpoints for OCT (Instant Deposit)  
  - Prepaid account creation & management  
  - Widget endpoints  
- **2022-04**  
  - Card account conflict added  
  - Webhook origin IPs added  
  - API Error Codes updated  
- **2021-11**  
  - Documentation published 💯

Updated 6 months ago