---
title: "Changes to Create a Payment Instrument Association"
method: POST
path: "/payment_instrument_associations"
---

# Changes to Create a Payment Instrument Association

`POST /payment_instrument_associations`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 27 revisions.

- **2026-08-21** `96653f0c196b`: 1 warning, 1 info

## Changes

- **2026-08-21** `96653f0c196b`: 1 warning, 1 info
  - removed the optional property `instrument_id` from the response with the `201` status
  - added the optional property `payment_instrument_id` to the response with the `201` status

---

[Operation](https://skmtc.dev/finix/apis/finix-api-reference/docs/payment_instrument_associations/post.md) - [API](https://skmtc.dev/finix/apis/finix-api-reference.md) - [Page](https://skmtc.dev/finix/apis/finix-api-reference/changes/payment_instrument_associations/post)