---
title: "Changes to Interac e-Transfer Checkout (Saved Contact)"
method: POST
path: "/checkout/interac/token"
---

# Changes to Interac e-Transfer Checkout (Saved Contact)

`POST /checkout/interac/token`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 43 revisions.

- **2026-09-19** `c6e94e0ae714`: 2 breaking
- **2026-09-17** `81b590227b14`: 1 warning, 1 info
- **2026-09-12** `66b771d6d31f`: 1 info
- **2026-08-22** `c6be39c0cb2f`: 4 breaking, 6 warning

## Changes

- **2026-09-19** `c6e94e0ae714`: 2 breaking
  - request property `rent/lamports` list-of-types was narrowed by removing types `number` from media type `application/json`
  - the `rent/lamports/oneOf[subschema #2]/` request property type changed from `number` to `integer`, and format from `double` to no format
- **2026-09-17** `81b590227b14`: 1 warning, 1 info
  - deleted the `header` request parameter `x-coinflow-auth-session-key`
  - the endpoint scheme security `sessionKey` was added to the API
- **2026-09-12** `66b771d6d31f`: 1 info
  - api operation id `interac-token-checkout` removed and replaced with `checkout_InteracTokenCheckout`
- **2026-08-22** `c6be39c0cb2f`: 4 breaking, 6 warning
  - the `customerInfo/oneOf[subschema #1: SplitNameCustomerInfo]/firstName` request property's minLength was increased from `0` to `1`
  - the `customerInfo/oneOf[subschema #1: SplitNameCustomerInfo]/lastName` request property's minLength was increased from `0` to `1`
  - the `transactionData/oneOf[subschema #3: KnownTokenIdRedeem]/nftContract` request property's minLength was increased from `0` to `42`
  - the `transactionData/oneOf[subschema #3: KnownTokenIdRedeem]/nftId` request property's minLength was increased from `0` to `1`
  - the `transactionData/oneOf[subschema #3: KnownTokenIdRedeem]/nftContract` request property's maxLength was set to `42`
  - the `feePercentage` request property's max was set to `100.00`
  - the `feePercentage` request property's min was set to `0.00`
  - the `fixedFee/cents` request property's min was set to `0.00`
  - the `subtotal/oneOf[subschema #1: CurrencyCents]/cents` request property's min was set to `0.00`
  - the `subtotal/oneOf[subschema #2: Cents]/cents` request property's min was set to `0.00`

---

[Operation](https://skmtc.dev/coinflow/apis/api-reference/docs/checkout/interac/token/post.md) - [API](https://skmtc.dev/coinflow/apis/api-reference.md) - [Page](https://skmtc.dev/coinflow/apis/api-reference/changes/checkout/interac/token/post)