---
title: "Changes to Add a routing rule"
method: POST
path: "/v1/projects/{projectId}/routes"
---

# Changes to Add a routing rule

`POST /v1/projects/{projectId}/routes`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 137 revisions.

- **2026-09-30** `099fbe1f521c`: 1 info
- **2026-07-21** `2ae10ee9d21c`: 1 info
- **2026-07-08** `3ff660568354`: 6 breaking, 2 warning
- **2026-06-11** `14b4658f819e`: 1 info

## Changes

- **2026-09-30** `099fbe1f521c`: 1 info
  - added the non-success response with the status `404`
- **2026-07-21** `2ae10ee9d21c`: 1 info
  - added the non-success response with the status `410`
- **2026-07-08** `3ff660568354`: 6 breaking, 2 warning
  - the response property `route/route/destination/oneOf[subschema #2]/type` became optional for the status `200`
  - added `subschema #1, subschema #2` to the `route/route/transforms/items/` response property `oneOf` list for the response status `200`
  - the `route/route/transforms/items/` response's property type changed from `object` to no type for status `200`
  - removed the required property `route/route/transforms/items/op` from the response with the `200` status
  - removed the required property `route/route/transforms/items/target` from the response with the `200` status
  - removed the required property `route/route/transforms/items/type` from the response with the `200` status
  - removed the optional property `route/route/transforms/items/args` from the response with the `200` status
  - removed the optional property `route/route/transforms/items/env` from the response with the `200` status
- **2026-06-11** `14b4658f819e`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/vercel/apis/api/docs/v1/projects/:projectId/routes/post.md) - [API](https://skmtc.dev/vercel/apis/api.md) - [Page](https://skmtc.dev/vercel/apis/api/changes/v1/projects/:projectId/routes/post)