---
title: "Changes to (EVM only) Get Credits Authorization Message"
method: POST
path: "/redeem/evm/creditsAuthMsg"
---

# Changes to (EVM only) Get Credits Authorization Message

`POST /redeem/evm/creditsAuthMsg`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 43 revisions.

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

## Changes

- **2026-09-17** `81b590227b14`: 1 warning, 1 info
  - deleted the `header` request parameter `x-coinflow-auth-wallet`
  - the endpoint scheme security `wallet` was added to the API
- **2026-09-12** `66b771d6d31f`: 1 info
  - api operation id `get-evm-credits-auth-msg` removed and replaced with `redeem_GetEvmCreditsAuthMsg`
- **2026-08-22** `c6be39c0cb2f`: 2 breaking, 4 warning
  - 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 `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`
  - the `usdcAmount/cents` request property's min was set to `0.00`

---

[Operation](https://skmtc.dev/coinflow/apis/api-reference/docs/redeem/evm/creditsAuthMsg/post.md) - [API](https://skmtc.dev/coinflow/apis/api-reference.md) - [Page](https://skmtc.dev/coinflow/apis/api-reference/changes/redeem/evm/creditsAuthMsg/post)