---
title: "Changes to Resolve a channel source to an end user (upsert — creates if not found)"
method: POST
path: "/v1/identity/resolve"
---

# Changes to Resolve a channel source to an end user (upsert — creates if not found)

`POST /v1/identity/resolve`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2026-08-12** `5a5597ebb2d6`: 5 info

## Changes

- **2026-08-12** `5a5597ebb2d6`: 5 info
  - added the optional property `external_id_ignored` to the response with the `200` status
  - added the optional property `retry_after` to the response with the `400` status
  - added the optional property `retry_after` to the response with the `401` status
  - added the optional property `retryable` to the response with the `400` status
  - added the optional property `retryable` to the response with the `401` status

---

[Operation](https://skmtc.dev/oneloop-hq/apis/feather-api/docs/v1/identity/resolve/post.md) - [API](https://skmtc.dev/oneloop-hq/apis/feather-api.md) - [Page](https://skmtc.dev/oneloop-hq/apis/feather-api/changes/v1/identity/resolve/post)